Antonio Maiorano 635c5d0f04 tint/spir-v backend: emit OpSRem instead of OpSMod for remainder
operation

Bug: tint:1802
Change-Id: I690ef658874ba8d0d9cd8efa2a91324db175650b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/118100
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: David Neto <dneto@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
2023-01-31 19:09:05 +00:00

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; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 25
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %f "f"
OpExecutionMode %f LocalSize 1 1 1
OpName %tint_mod "tint_mod"
OpName %lhs "lhs"
OpName %rhs "rhs"
OpName %f "f"
%int = OpTypeInt 32 1
%1 = OpTypeFunction %int %int %int
%8 = OpConstantNull %int
%bool = OpTypeBool
%int_n2147483648 = OpConstant %int -2147483648
%int_n1 = OpConstant %int -1
%int_1 = OpConstant %int 1
%void = OpTypeVoid
%19 = OpTypeFunction %void
%int_2 = OpConstant %int 2
%tint_mod = OpFunction %int None %1
%lhs = OpFunctionParameter %int
%rhs = OpFunctionParameter %int
%6 = OpLabel
%9 = OpIEqual %bool %rhs %8
%12 = OpIEqual %bool %lhs %int_n2147483648
%14 = OpIEqual %bool %rhs %int_n1
%15 = OpLogicalAnd %bool %12 %14
%16 = OpLogicalOr %bool %9 %15
%7 = OpSelect %int %16 %int_1 %rhs
%18 = OpSRem %int %lhs %7
OpReturnValue %18
OpFunctionEnd
%f = OpFunction %void None %19
%22 = OpLabel
%24 = OpFunctionCall %int %tint_mod %int_1 %int_2
OpReturn
OpFunctionEnd