Add const-eval for atanh.

This CL adds const-eval for the `atanh` operator.

Bug: tint:1581
Change-Id: I7d8989a348ad1d8ca463dae90233fd82d6faf2d9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106849
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl

@@ -0,0 +1,43 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<2, fa>) -> vec<2, fa>
+fn atanh_70d5bd() {
+  var res = atanh(vec2(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_70d5bd();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_70d5bd();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_70d5bd();
+}

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_70d5bd() {
+  float2 res = (0.549306154f).xx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_70d5bd();
+  return;
+}

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_70d5bd() {
+  float2 res = (0.549306154f).xx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_70d5bd();
+  return;
+}

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_70d5bd();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+void compute_main() {
+  atanh_70d5bd();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_70d5bd() {
+  float2 res = float2(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_70d5bd();
+  return;
+}
+

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_70d5bd "atanh_70d5bd"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v2float = OpTypeVector %float 2
+%float_0_549306154 = OpConstant %float 0.549306154
+         %15 = OpConstantComposite %v2float %float_0_549306154 %float_0_549306154
+%_ptr_Function_v2float = OpTypePointer Function %v2float
+         %18 = OpConstantNull %v2float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_70d5bd = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v2float Function %18
+               OpStore %res %15
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %atanh_70d5bd
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_70d5bd
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %atanh_70d5bd
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/literal/atanh/70d5bd.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn atanh_70d5bd() {
+  var res = atanh(vec2(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_70d5bd();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_70d5bd();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_70d5bd();
+}

test/tint/builtins/gen/literal/atanh/7f2874.wgsl

@@ -0,0 +1,43 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<3, fa>) -> vec<3, fa>
+fn atanh_7f2874() {
+  var res = atanh(vec3(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_7f2874();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_7f2874();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_7f2874();
+}

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_7f2874() {
+  float3 res = (0.549306154f).xxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_7f2874();
+  return;
+}

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_7f2874() {
+  float3 res = (0.549306154f).xxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_7f2874();
+  return;
+}

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_7f2874();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_7f2874();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+void compute_main() {
+  atanh_7f2874();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_7f2874() {
+  float3 res = float3(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_7f2874();
+  return;
+}
+

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_7f2874 "atanh_7f2874"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v3float = OpTypeVector %float 3
+%float_0_549306154 = OpConstant %float 0.549306154
+         %15 = OpConstantComposite %v3float %float_0_549306154 %float_0_549306154 %float_0_549306154
+%_ptr_Function_v3float = OpTypePointer Function %v3float
+         %18 = OpConstantNull %v3float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_7f2874 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v3float Function %18
+               OpStore %res %15
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %atanh_7f2874
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_7f2874
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %atanh_7f2874
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/literal/atanh/7f2874.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn atanh_7f2874() {
+  var res = atanh(vec3(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_7f2874();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_7f2874();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_7f2874();
+}

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl

@@ -0,0 +1,43 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(fa) -> fa
+fn atanh_c5dc32() {
+  var res = atanh(0.5);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_c5dc32();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_c5dc32();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_c5dc32();
+}

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_c5dc32();
+  return;
+}

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_c5dc32();
+  return;
+}

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+vec4 vertex_main() {
+  atanh_c5dc32();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+void compute_main() {
+  atanh_c5dc32();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_c5dc32();
+  return;
+}
+

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.spvasm

@@ -0,0 +1,64 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 30
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_c5dc32 "atanh_c5dc32"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%float_0_549306154 = OpConstant %float 0.549306154
+%_ptr_Function_float = OpTypePointer Function %float
+         %16 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_c5dc32 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_float Function %8
+               OpStore %res %float_0_549306154
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %16
+         %18 = OpLabel
+         %19 = OpFunctionCall %void %atanh_c5dc32
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %21 = OpLabel
+         %22 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %22
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %25 = OpLabel
+         %26 = OpFunctionCall %void %atanh_c5dc32
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_c5dc32
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/literal/atanh/c5dc32.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn atanh_c5dc32() {
+  var res = atanh(0.5);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_c5dc32();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_c5dc32();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_c5dc32();
+}

test/tint/builtins/gen/literal/atanh/e431bb.wgsl

@@ -0,0 +1,43 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<4, fa>) -> vec<4, fa>
+fn atanh_e431bb() {
+  var res = atanh(vec4(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_e431bb();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_e431bb();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_e431bb();
+}

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_e431bb() {
+  float4 res = (0.549306154f).xxxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_e431bb();
+  return;
+}

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_e431bb() {
+  float4 res = (0.549306154f).xxxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_e431bb();
+  return;
+}

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_e431bb();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_e431bb();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+void compute_main() {
+  atanh_e431bb();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_e431bb() {
+  float4 res = float4(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_e431bb();
+  return;
+}
+

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.spvasm

@@ -0,0 +1,65 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 31
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_e431bb "atanh_e431bb"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%float_0_549306154 = OpConstant %float 0.549306154
+         %14 = OpConstantComposite %v4float %float_0_549306154 %float_0_549306154 %float_0_549306154 %float_0_549306154
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+         %17 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_e431bb = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v4float Function %5
+               OpStore %res %14
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %17
+         %19 = OpLabel
+         %20 = OpFunctionCall %void %atanh_e431bb
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %22 = OpLabel
+         %23 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %23
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %26 = OpLabel
+         %27 = OpFunctionCall %void %atanh_e431bb
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %29 = OpLabel
+         %30 = OpFunctionCall %void %atanh_e431bb
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/literal/atanh/e431bb.wgsl.expected.wgsl

@@ -0,0 +1,19 @@
+fn atanh_e431bb() {
+  var res = atanh(vec4(0.5));
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_e431bb();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_e431bb();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_e431bb();
+}

test/tint/builtins/gen/var/atanh/70d5bd.wgsl

@@ -0,0 +1,44 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<2, fa>) -> vec<2, fa>
+fn atanh_70d5bd() {
+  const arg_0 = vec2(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_70d5bd();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_70d5bd();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_70d5bd();
+}

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_70d5bd() {
+  float2 res = (0.549306154f).xx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_70d5bd();
+  return;
+}

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_70d5bd() {
+  float2 res = (0.549306154f).xx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_70d5bd();
+  return;
+}

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_70d5bd();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_70d5bd();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_70d5bd() {
+  vec2 res = vec2(0.549306154f);
+}
+
+void compute_main() {
+  atanh_70d5bd();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_70d5bd() {
+  float2 res = float2(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_70d5bd();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_70d5bd();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_70d5bd();
+  return;
+}
+

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_70d5bd "atanh_70d5bd"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v2float = OpTypeVector %float 2
+%float_0_549306154 = OpConstant %float 0.549306154
+         %15 = OpConstantComposite %v2float %float_0_549306154 %float_0_549306154
+%_ptr_Function_v2float = OpTypePointer Function %v2float
+         %18 = OpConstantNull %v2float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_70d5bd = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v2float Function %18
+               OpStore %res %15
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %atanh_70d5bd
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_70d5bd
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %atanh_70d5bd
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/var/atanh/70d5bd.wgsl.expected.wgsl

@@ -0,0 +1,20 @@
+fn atanh_70d5bd() {
+  const arg_0 = vec2(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_70d5bd();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_70d5bd();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_70d5bd();
+}

test/tint/builtins/gen/var/atanh/7f2874.wgsl

@@ -0,0 +1,44 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<3, fa>) -> vec<3, fa>
+fn atanh_7f2874() {
+  const arg_0 = vec3(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_7f2874();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_7f2874();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_7f2874();
+}

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_7f2874() {
+  float3 res = (0.549306154f).xxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_7f2874();
+  return;
+}

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_7f2874() {
+  float3 res = (0.549306154f).xxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_7f2874();
+  return;
+}

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_7f2874();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_7f2874();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_7f2874() {
+  vec3 res = vec3(0.549306154f);
+}
+
+void compute_main() {
+  atanh_7f2874();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_7f2874() {
+  float3 res = float3(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_7f2874();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_7f2874();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_7f2874();
+  return;
+}
+

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.spvasm

@@ -0,0 +1,67 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 33
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_7f2874 "atanh_7f2874"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+    %v3float = OpTypeVector %float 3
+%float_0_549306154 = OpConstant %float 0.549306154
+         %15 = OpConstantComposite %v3float %float_0_549306154 %float_0_549306154 %float_0_549306154
+%_ptr_Function_v3float = OpTypePointer Function %v3float
+         %18 = OpConstantNull %v3float
+         %19 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_7f2874 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v3float Function %18
+               OpStore %res %15
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %19
+         %21 = OpLabel
+         %22 = OpFunctionCall %void %atanh_7f2874
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %24 = OpLabel
+         %25 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %25
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_7f2874
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %31 = OpLabel
+         %32 = OpFunctionCall %void %atanh_7f2874
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/var/atanh/7f2874.wgsl.expected.wgsl

@@ -0,0 +1,20 @@
+fn atanh_7f2874() {
+  const arg_0 = vec3(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_7f2874();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_7f2874();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_7f2874();
+}

test/tint/builtins/gen/var/atanh/c5dc32.wgsl

@@ -0,0 +1,44 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(fa) -> fa
+fn atanh_c5dc32() {
+  const arg_0 = 0.5;
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_c5dc32();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_c5dc32();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_c5dc32();
+}

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_c5dc32();
+  return;
+}

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_c5dc32();
+  return;
+}

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+vec4 vertex_main() {
+  atanh_c5dc32();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+void fragment_main() {
+  atanh_c5dc32();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+void compute_main() {
+  atanh_c5dc32();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_c5dc32() {
+  float res = 0.549306154f;
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_c5dc32();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_c5dc32();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_c5dc32();
+  return;
+}
+

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.spvasm

@@ -0,0 +1,64 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 30
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_c5dc32 "atanh_c5dc32"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%float_0_549306154 = OpConstant %float 0.549306154
+%_ptr_Function_float = OpTypePointer Function %float
+         %16 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_c5dc32 = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_float Function %8
+               OpStore %res %float_0_549306154
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %16
+         %18 = OpLabel
+         %19 = OpFunctionCall %void %atanh_c5dc32
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %21 = OpLabel
+         %22 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %22
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %25 = OpLabel
+         %26 = OpFunctionCall %void %atanh_c5dc32
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %28 = OpLabel
+         %29 = OpFunctionCall %void %atanh_c5dc32
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/var/atanh/c5dc32.wgsl.expected.wgsl

@@ -0,0 +1,20 @@
+fn atanh_c5dc32() {
+  const arg_0 = 0.5;
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_c5dc32();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_c5dc32();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_c5dc32();
+}

test/tint/builtins/gen/var/atanh/e431bb.wgsl

@@ -0,0 +1,44 @@
+// Copyright 2022 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+////////////////////////////////////////////////////////////////////////////////
+// File generated by tools/src/cmd/gen
+// using the template:
+//   test/tint/builtins/gen/gen.wgsl.tmpl
+//
+// Do not modify this file directly
+////////////////////////////////////////////////////////////////////////////////
+
+
+// fn atanh(vec<4, fa>) -> vec<4, fa>
+fn atanh_e431bb() {
+  const arg_0 = vec4(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_e431bb();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_e431bb();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_e431bb();
+}

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.dxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_e431bb() {
+  float4 res = (0.549306154f).xxxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_e431bb();
+  return;
+}

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.fxc.hlsl

@@ -0,0 +1,30 @@
+void atanh_e431bb() {
+  float4 res = (0.549306154f).xxxx;
+}
+
+struct tint_symbol {
+  float4 value : SV_Position;
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return (0.0f).xxxx;
+}
+
+tint_symbol vertex_main() {
+  const float4 inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = (tint_symbol)0;
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+[numthreads(1, 1, 1)]
+void compute_main() {
+  atanh_e431bb();
+  return;
+}

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.glsl

@@ -0,0 +1,49 @@
+#version 310 es
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+vec4 vertex_main() {
+  atanh_e431bb();
+  return vec4(0.0f);
+}
+
+void main() {
+  gl_PointSize = 1.0;
+  vec4 inner_result = vertex_main();
+  gl_Position = inner_result;
+  gl_Position.y = -(gl_Position.y);
+  gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
+  return;
+}
+#version 310 es
+precision mediump float;
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+void fragment_main() {
+  atanh_e431bb();
+}
+
+void main() {
+  fragment_main();
+  return;
+}
+#version 310 es
+
+void atanh_e431bb() {
+  vec4 res = vec4(0.549306154f);
+}
+
+void compute_main() {
+  atanh_e431bb();
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  compute_main();
+  return;
+}

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.msl

@@ -0,0 +1,33 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void atanh_e431bb() {
+  float4 res = float4(0.549306154f);
+}
+
+struct tint_symbol {
+  float4 value [[position]];
+};
+
+float4 vertex_main_inner() {
+  atanh_e431bb();
+  return float4(0.0f);
+}
+
+vertex tint_symbol vertex_main() {
+  float4 const inner_result = vertex_main_inner();
+  tint_symbol wrapper_result = {};
+  wrapper_result.value = inner_result;
+  return wrapper_result;
+}
+
+fragment void fragment_main() {
+  atanh_e431bb();
+  return;
+}
+
+kernel void compute_main() {
+  atanh_e431bb();
+  return;
+}
+

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.spvasm

@@ -0,0 +1,65 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 31
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Vertex %vertex_main "vertex_main" %value %vertex_point_size
+               OpEntryPoint Fragment %fragment_main "fragment_main"
+               OpEntryPoint GLCompute %compute_main "compute_main"
+               OpExecutionMode %fragment_main OriginUpperLeft
+               OpExecutionMode %compute_main LocalSize 1 1 1
+               OpName %value "value"
+               OpName %vertex_point_size "vertex_point_size"
+               OpName %atanh_e431bb "atanh_e431bb"
+               OpName %res "res"
+               OpName %vertex_main_inner "vertex_main_inner"
+               OpName %vertex_main "vertex_main"
+               OpName %fragment_main "fragment_main"
+               OpName %compute_main "compute_main"
+               OpDecorate %value BuiltIn Position
+               OpDecorate %vertex_point_size BuiltIn PointSize
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+          %5 = OpConstantNull %v4float
+      %value = OpVariable %_ptr_Output_v4float Output %5
+%_ptr_Output_float = OpTypePointer Output %float
+          %8 = OpConstantNull %float
+%vertex_point_size = OpVariable %_ptr_Output_float Output %8
+       %void = OpTypeVoid
+          %9 = OpTypeFunction %void
+%float_0_549306154 = OpConstant %float 0.549306154
+         %14 = OpConstantComposite %v4float %float_0_549306154 %float_0_549306154 %float_0_549306154 %float_0_549306154
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+         %17 = OpTypeFunction %v4float
+    %float_1 = OpConstant %float 1
+%atanh_e431bb = OpFunction %void None %9
+         %12 = OpLabel
+        %res = OpVariable %_ptr_Function_v4float Function %5
+               OpStore %res %14
+               OpReturn
+               OpFunctionEnd
+%vertex_main_inner = OpFunction %v4float None %17
+         %19 = OpLabel
+         %20 = OpFunctionCall %void %atanh_e431bb
+               OpReturnValue %5
+               OpFunctionEnd
+%vertex_main = OpFunction %void None %9
+         %22 = OpLabel
+         %23 = OpFunctionCall %v4float %vertex_main_inner
+               OpStore %value %23
+               OpStore %vertex_point_size %float_1
+               OpReturn
+               OpFunctionEnd
+%fragment_main = OpFunction %void None %9
+         %26 = OpLabel
+         %27 = OpFunctionCall %void %atanh_e431bb
+               OpReturn
+               OpFunctionEnd
+%compute_main = OpFunction %void None %9
+         %29 = OpLabel
+         %30 = OpFunctionCall %void %atanh_e431bb
+               OpReturn
+               OpFunctionEnd

test/tint/builtins/gen/var/atanh/e431bb.wgsl.expected.wgsl

@@ -0,0 +1,20 @@
+fn atanh_e431bb() {
+  const arg_0 = vec4(0.5);
+  var res = atanh(arg_0);
+}
+
+@vertex
+fn vertex_main() -> @builtin(position) vec4<f32> {
+  atanh_e431bb();
+  return vec4<f32>();
+}
+
+@fragment
+fn fragment_main() {
+  atanh_e431bb();
+}
+
+@compute @workgroup_size(1)
+fn compute_main() {
+  atanh_e431bb();
+}