Antonio Maiorano d388bc9b36 Restore "MSL writer: make signed int overflow defined behaviour"
This reverts commit e33b0baa088146fc06881387157a92e19fcf5b7b.

Added tests/expressions/literals/intmin.wgsl test.

Bug: tint:124
Change-Id: I3d46f939ff20fa377ddb5fcb52f9afe728b8e430
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60441
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-07-30 18:59:06 +00:00

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; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 18
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %f "f"
OpExecutionMode %f LocalSize 1 1 1
OpName %f "f"
%void = OpTypeVoid
%1 = OpTypeFunction %void
%int = OpTypeInt 32 1
%v3int = OpTypeVector %int 3
%int_1 = OpConstant %int 1
%int_2 = OpConstant %int 2
%int_3 = OpConstant %int 3
%10 = OpConstantComposite %v3int %int_1 %int_2 %int_3
%uint = OpTypeInt 32 0
%v3uint = OpTypeVector %uint 3
%uint_4 = OpConstant %uint 4
%uint_5 = OpConstant %uint 5
%uint_6 = OpConstant %uint 6
%16 = OpConstantComposite %v3uint %uint_4 %uint_5 %uint_6
%f = OpFunction %void None %1
%4 = OpLabel
%17 = OpShiftRightArithmetic %v3int %10 %16
OpReturn
OpFunctionEnd