c7e66a66b1
This PR adds WaveActiveBitXor function to HLSL, with spirv and DXIL code generation. Fixes https://github.com/llvm/llvm-project/issues/99168
20 lines
617 B
LLVM
20 lines
617 B
LLVM
; RUN: opt -S -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-compute %s | FileCheck %s
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define noundef i32 @wave_bitxor_simple(i32 noundef %p1) {
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entry:
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; CHECK: call i32 @dx.op.waveActiveBit.i32(i32 120, i32 %p1, i8 2){{$}}
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%ret = call i32 @llvm.dx.wave.reduce.xor.i32(i32 %p1)
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ret i32 %ret
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}
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declare i32 @llvm.dx.wave.reduce.xor.i32(i32)
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define noundef i64 @wave_bitxor_simple64(i64 noundef %p1) {
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entry:
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; CHECK: call i64 @dx.op.waveActiveBit.i64(i32 120, i64 %p1, i8 2){{$}}
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%ret = call i64 @llvm.dx.wave.reduce.xor.i64(i64 %p1)
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ret i64 %ret
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}
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declare i64 @llvm.dx.wave.reduce.xor.i64(i64)
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