derek.holloway
7502bf64a4
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56 lines
2.2 KiB
LLVM
56 lines
2.2 KiB
LLVM
; RUN: opt -S -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s
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; Make sure dxil operation function calls for reversebits are generated for all integer types.
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; Function Attrs: nounwind
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define noundef i16 @test_bitreverse_short(i16 noundef %a) {
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entry:
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; CHECK:call i16 @dx.op.unary.i16(i32 30, i16 %{{.*}})
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%elt.bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
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ret i16 %elt.bitreverse
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}
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; Function Attrs: nounwind
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define noundef i32 @test_bitreverse_int(i32 noundef %a) {
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entry:
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; CHECK:call i32 @dx.op.unary.i32(i32 30, i32 %{{.*}})
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%elt.bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
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ret i32 %elt.bitreverse
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}
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; Function Attrs: nounwind
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define noundef i64 @test_bitreverse_long(i64 noundef %a) {
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entry:
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; CHECK:call i64 @dx.op.unary.i64(i32 30, i64 %{{.*}})
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%elt.bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
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ret i64 %elt.bitreverse
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}
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define noundef <4 x i32> @bitreverse_int324(<4 x i32> noundef %a) #0 {
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entry:
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; CHECK: [[ee0:%.*]] = extractelement <4 x i32> %a, i64 0
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; CHECK: [[ie0:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee0]])
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; CHECK: [[ee1:%.*]] = extractelement <4 x i32> %a, i64 1
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; CHECK: [[ie1:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee1]])
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; CHECK: [[ee2:%.*]] = extractelement <4 x i32> %a, i64 2
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; CHECK: [[ie2:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee2]])
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; CHECK: [[ee3:%.*]] = extractelement <4 x i32> %a, i64 3
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; CHECK: [[ie3:%.*]] = call i32 @dx.op.unary.i32(i32 30, i32 [[ee3]])
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; CHECK: insertelement <4 x i32> poison, i32 [[ie0]], i64 0
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; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie1]], i64 1
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; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie2]], i64 2
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; CHECK: insertelement <4 x i32> %{{.*}}, i32 [[ie3]], i64 3
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%2 = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
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ret <4 x i32> %2
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}
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; CHECK-DAG: declare i16 @dx.op.unary.i16(i32, i16) #[[#ATTR0:]]
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; CHECK-DAG: declare i32 @dx.op.unary.i32(i32, i32) #[[#ATTR0]]
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; CHECK-DAG: declare i64 @dx.op.unary.i64(i32, i64) #[[#ATTR0]]
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; CHECK: attributes #[[#ATTR0]] = { nounwind memory(none) }
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declare i16 @llvm.bitreverse.i16(i16)
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declare i32 @llvm.bitreverse.i32(i32)
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declare i64 @llvm.bitreverse.i64(i64)
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declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)
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