tint: const eval of binary bitwise AND and OR

Bug: tint:1581
Change-Id: Id6a7a1c8e45ee91bede8014dca03a59035b29678
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/102060
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>

test/tint/bug/tint/1541.wgsl

@@ -1,5 +1,6 @@
 @compute
 @workgroup_size(1)
 fn main() {
-    var v = select(true & true, true, false);
+    let a = true;
+    var v = select(a & true, true, false);
 }

test/tint/bug/tint/1541.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void main() {
-  bool v = (false ? true : (true & true));
+  bool v = (false ? true : true);
   return;
 }

test/tint/bug/tint/1541.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void main() {
-  bool v = (false ? true : (true & true));
+  bool v = (false ? true : true);
   return;
 }

test/tint/bug/tint/1541.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void tint_symbol() {
-  bool v = (false ? true : bool(uint(true) & uint(true)));
+  bool v = (false ? true : true);
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

test/tint/bug/tint/1541.wgsl.expected.msl

@@ -2,7 +2,8 @@
 
 using namespace metal;
 kernel void tint_symbol() {
-  bool v = select(bool(true & true), true, false);
+  bool const a = true;
+  bool v = select(bool(a & true), true, false);
   return;
 }
 

test/tint/bug/tint/1541.wgsl.expected.spvasm

@@ -12,14 +12,14 @@
        %void = OpTypeVoid
           %1 = OpTypeFunction %void
        %bool = OpTypeBool
-          %7 = OpConstantNull %bool
        %true = OpConstantTrue %bool
+          %8 = OpConstantNull %bool
 %_ptr_Function_bool = OpTypePointer Function %bool
        %main = OpFunction %void None %1
           %4 = OpLabel
-          %v = OpVariable %_ptr_Function_bool Function %7
+          %v = OpVariable %_ptr_Function_bool Function %8
           %9 = OpLogicalAnd %bool %true %true
-          %5 = OpSelect %bool %7 %true %9
-               OpStore %v %5
+          %7 = OpSelect %bool %8 %true %9
+               OpStore %v %7
                OpReturn
                OpFunctionEnd

test/tint/bug/tint/1541.wgsl.expected.wgsl

@@ -1,4 +1,5 @@
 @compute @workgroup_size(1)
 fn main() {
-  var v = select((true & true), true, false);
+  let a = true;
+  var v = select((a & true), true, false);
 }

test/tint/expressions/binary/bit-and/scalar-scalar/bool.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const bool r = (true & false);
+  const bool r = false;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/bool.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const bool r = (true & false);
+  const bool r = false;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/bool.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void f() {
-  bool r = bool(uint(true) & uint(false));
+  bool r = false;
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

test/tint/expressions/binary/bit-and/scalar-scalar/i32.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const int r = (1 & 2);
+  const int r = 0;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/i32.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const int r = (1 & 2);
+  const int r = 0;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/i32.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void f() {
-  int r = (1 & 2);
+  int r = 0;
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

test/tint/expressions/binary/bit-and/scalar-scalar/u32.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const uint r = (1u & 2u);
+  const uint r = 0u;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/u32.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const uint r = (1u & 2u);
+  const uint r = 0u;
   return;
 }

test/tint/expressions/binary/bit-and/scalar-scalar/u32.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void f() {
-  uint r = (1u & 2u);
+  uint r = 0u;
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

test/tint/expressions/binary/bit-or/scalar-scalar/i32.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const int r = (1 | 2);
+  const int r = 3;
   return;
 }

test/tint/expressions/binary/bit-or/scalar-scalar/i32.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const int r = (1 | 2);
+  const int r = 3;
   return;
 }

test/tint/expressions/binary/bit-or/scalar-scalar/i32.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void f() {
-  int r = (1 | 2);
+  int r = 3;
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;

test/tint/expressions/binary/bit-or/scalar-scalar/u32.wgsl.expected.dxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const uint r = (1u | 2u);
+  const uint r = 3u;
   return;
 }

test/tint/expressions/binary/bit-or/scalar-scalar/u32.wgsl.expected.fxc.hlsl

@@ -1,5 +1,5 @@
 [numthreads(1, 1, 1)]
 void f() {
-  const uint r = (1u | 2u);
+  const uint r = 3u;
   return;
 }

test/tint/expressions/binary/bit-or/scalar-scalar/u32.wgsl.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void f() {
-  uint r = (1u | 2u);
+  uint r = 3u;
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;