tint->dawn: Shuffle source tree in preperation of merging repos

docs/    -> docs/tint/
fuzzers/ -> src/tint/fuzzers/
samples/ -> src/tint/cmd/
src/     -> src/tint/
test/    -> test/tint/

BUG=tint:1418,tint:1433

Change-Id: Id2aa79f989aef3245b80ef4aa37a27ff16cd700b
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80482
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>

test/tint/shadowing/param/function.wgsl

@@ -0,0 +1,6 @@
+fn a(a : i32) {
+  {
+    var a = a;
+    var b = a;
+  }
+}

test/tint/shadowing/param/function.wgsl.expected.glsl

@@ -0,0 +1,13 @@
+#version 310 es
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
+void a(int a_1) {
+  {
+    int a_2 = a_1;
+    int b = a_2;
+  }
+}
+

test/tint/shadowing/param/function.wgsl.expected.hlsl

@@ -0,0 +1,11 @@
+[numthreads(1, 1, 1)]
+void unused_entry_point() {
+  return;
+}
+
+void a(int a_1) {
+  {
+    int a_2 = a_1;
+    int b = a_2;
+  }
+}

test/tint/shadowing/param/function.wgsl.expected.msl

@@ -0,0 +1,10 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void a(int a_1) {
+  {
+    int a_2 = a_1;
+    int b = a_2;
+  }
+}
+

test/tint/shadowing/param/function.wgsl.expected.spvasm

@@ -0,0 +1,34 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 15
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
+               OpExecutionMode %unused_entry_point LocalSize 1 1 1
+               OpName %unused_entry_point "unused_entry_point"
+               OpName %a "a"
+               OpName %a_1 "a_1"
+               OpName %a_2 "a_2"
+               OpName %b "b"
+       %void = OpTypeVoid
+          %1 = OpTypeFunction %void
+        %int = OpTypeInt 32 1
+          %5 = OpTypeFunction %void %int
+%_ptr_Function_int = OpTypePointer Function %int
+         %12 = OpConstantNull %int
+%unused_entry_point = OpFunction %void None %1
+          %4 = OpLabel
+               OpReturn
+               OpFunctionEnd
+          %a = OpFunction %void None %5
+        %a_1 = OpFunctionParameter %int
+          %9 = OpLabel
+        %a_2 = OpVariable %_ptr_Function_int Function %12
+          %b = OpVariable %_ptr_Function_int Function %12
+               OpStore %a_2 %a_1
+         %13 = OpLoad %int %a_2
+               OpStore %b %13
+               OpReturn
+               OpFunctionEnd

test/tint/shadowing/param/function.wgsl.expected.wgsl

@@ -0,0 +1,6 @@
+fn a(a : i32) {
+  {
+    var a = a;
+    var b = a;
+  }
+}

test/tint/shadowing/param/let.wgsl

@@ -0,0 +1,6 @@
+fn f(a : i32) {
+  {
+    let a = a;
+    let b = a;
+  }
+}

test/tint/shadowing/param/let.wgsl.expected.glsl

@@ -0,0 +1,12 @@
+#version 310 es
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
+void f(int a) {
+  {
+    int b = a;
+  }
+}
+

test/tint/shadowing/param/let.wgsl.expected.hlsl

@@ -0,0 +1,10 @@
+[numthreads(1, 1, 1)]
+void unused_entry_point() {
+  return;
+}
+
+void f(int a) {
+  {
+    const int b = a;
+  }
+}

test/tint/shadowing/param/let.wgsl.expected.msl

@@ -0,0 +1,10 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void f(int a) {
+  {
+    int const a_1 = a;
+    int const b = a_1;
+  }
+}
+

test/tint/shadowing/param/let.wgsl.expected.spvasm

@@ -0,0 +1,25 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 10
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
+               OpExecutionMode %unused_entry_point LocalSize 1 1 1
+               OpName %unused_entry_point "unused_entry_point"
+               OpName %f "f"
+               OpName %a "a"
+       %void = OpTypeVoid
+          %1 = OpTypeFunction %void
+        %int = OpTypeInt 32 1
+          %5 = OpTypeFunction %void %int
+%unused_entry_point = OpFunction %void None %1
+          %4 = OpLabel
+               OpReturn
+               OpFunctionEnd
+          %f = OpFunction %void None %5
+          %a = OpFunctionParameter %int
+          %9 = OpLabel
+               OpReturn
+               OpFunctionEnd

test/tint/shadowing/param/let.wgsl.expected.wgsl

@@ -0,0 +1,6 @@
+fn f(a : i32) {
+  {
+    let a = a;
+    let b = a;
+  }
+}

test/tint/shadowing/param/var.wgsl

@@ -0,0 +1,6 @@
+fn f(a : i32) {
+  {
+    var a = a;
+    var b = a;
+  }
+}

test/tint/shadowing/param/var.wgsl.expected.glsl

@@ -0,0 +1,13 @@
+#version 310 es
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
+void f(int a) {
+  {
+    int a_1 = a;
+    int b = a_1;
+  }
+}
+

test/tint/shadowing/param/var.wgsl.expected.hlsl

@@ -0,0 +1,11 @@
+[numthreads(1, 1, 1)]
+void unused_entry_point() {
+  return;
+}
+
+void f(int a) {
+  {
+    int a_1 = a;
+    int b = a_1;
+  }
+}

test/tint/shadowing/param/var.wgsl.expected.msl

@@ -0,0 +1,10 @@
+#include <metal_stdlib>
+
+using namespace metal;
+void f(int a) {
+  {
+    int a_1 = a;
+    int b = a_1;
+  }
+}
+

test/tint/shadowing/param/var.wgsl.expected.spvasm

@@ -0,0 +1,34 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 15
+; Schema: 0
+               OpCapability Shader
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint GLCompute %unused_entry_point "unused_entry_point"
+               OpExecutionMode %unused_entry_point LocalSize 1 1 1
+               OpName %unused_entry_point "unused_entry_point"
+               OpName %f "f"
+               OpName %a "a"
+               OpName %a_1 "a_1"
+               OpName %b "b"
+       %void = OpTypeVoid
+          %1 = OpTypeFunction %void
+        %int = OpTypeInt 32 1
+          %5 = OpTypeFunction %void %int
+%_ptr_Function_int = OpTypePointer Function %int
+         %12 = OpConstantNull %int
+%unused_entry_point = OpFunction %void None %1
+          %4 = OpLabel
+               OpReturn
+               OpFunctionEnd
+          %f = OpFunction %void None %5
+          %a = OpFunctionParameter %int
+          %9 = OpLabel
+        %a_1 = OpVariable %_ptr_Function_int Function %12
+          %b = OpVariable %_ptr_Function_int Function %12
+               OpStore %a_1 %a
+         %13 = OpLoad %int %a_1
+               OpStore %b %13
+               OpReturn
+               OpFunctionEnd

test/tint/shadowing/param/var.wgsl.expected.wgsl

@@ -0,0 +1,6 @@
+fn f(a : i32) {
+  {
+    var a = a;
+    var b = a;
+  }
+}