derek.holloway
7502bf64a4
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60 lines
2.8 KiB
LLVM
60 lines
2.8 KiB
LLVM
; RUN: opt -S -dxil-intrinsic-expansion -scalarizer -dxil-op-lower -mtriple=dxil-pc-shadermodel6.9-library %s | FileCheck %s --check-prefixes=CHECK,SM69CHECK
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; RUN: opt -S -dxil-intrinsic-expansion -mtriple=dxil-pc-shadermodel6.8-library %s | FileCheck %s --check-prefixes=CHECK,SMOLDCHECK
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; Make sure dxil operation function calls for isnan are generated for float and half.
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define noundef i1 @isnan_float(float noundef %a) {
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entry:
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; CHECK-LABEL: @isnan_float
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f32(i32 8, float %{{.*}})
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; SMOLDCHECK: call i1 @llvm.dx.isnan.f32(float %{{.*}})
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%dx.isnan = call i1 @llvm.dx.isnan.f32(float %a)
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ret i1 %dx.isnan
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}
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define noundef i1 @isnan_half(half noundef %a) {
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entry:
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; CHECK-LABEL: @isnan_half
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f16(i32 8, half %{{.*}})
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; SMOLDCHECK: [[BITCAST:%.*]] = bitcast half %{{.*}} to i16
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; SMOLDCHECK: [[ANDHIGH:%.*]] = and i16 [[BITCAST]], 31744
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; SMOLDCHECK: [[CMPHIGH:%.*]] = icmp eq i16 [[ANDHIGH]], 31744
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; SMOLDCHECK: [[ANDLOW:%.*]] = and i16 [[BITCAST]], 1023
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; SMOLDCHECK: [[CMPLOW:%.*]] = icmp ne i16 [[ANDLOW]], 0
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; SMOLDCHECK: [[AND:%.*]] = and i1 [[CMPHIGH]], [[CMPLOW]]
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%dx.isnan = call i1 @llvm.dx.isnan.f16(half %a)
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ret i1 %dx.isnan
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}
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define noundef <4 x i1> @isnan_half4(<4 x half> noundef %p0) {
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entry:
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; CHECK-LABEL: @isnan_half4
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f16(i32 8, half
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f16(i32 8, half
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f16(i32 8, half
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f16(i32 8, half
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; SMOLDCHECK: [[BITCAST:%.*]] = bitcast <4 x half> %{{.*}} to <4 x i16>
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; SMOLDCHECK: [[ANDHIGH:%.*]] = and <4 x i16> [[BITCAST]], splat (i16 31744)
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; SMOLDCHECK: [[CMPHIGH:%.*]] = icmp eq <4 x i16> [[ANDHIGH]], splat (i16 31744)
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; SMOLDCHECK: [[ANDLOW:%.*]] = and <4 x i16> [[BITCAST]], splat (i16 1023)
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; SMOLDCHECK: [[CMPLOW:%.*]] = icmp ne <4 x i16> [[ANDLOW]], zeroinitializer
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; SMOLDCHECK: [[AND:%.*]] = and <4 x i1> [[CMPHIGH]], [[CMPLOW]]
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%hlsl.isnan = call <4 x i1> @llvm.dx.isnan.v4f16(<4 x half> %p0)
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ret <4 x i1> %hlsl.isnan
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}
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define noundef <3 x i1> @isnan_float3(<3 x float> noundef %p0) {
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entry:
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; CHECK-LABEL: @isnan_float3
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f32(i32 8, float
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f32(i32 8, float
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; SM69CHECK: call i1 @dx.op.isSpecialFloat.f32(i32 8, float
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; SMOLDCHECK: = call <3 x i1> @llvm.dx.isnan.v3f32(<3 x float>
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%hlsl.isnan = call <3 x i1> @llvm.dx.isnan.v3f32(<3 x float> %p0)
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ret <3 x i1> %hlsl.isnan
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}
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; SM69CHECK-DAG: declare i1 @dx.op.isSpecialFloat.f32(i32, float) #[[#ATTR0:]]
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; SM69CHECK-DAG: declare i1 @dx.op.isSpecialFloat.f16(i32, half) #[[#ATTR0]]
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; SM69CHECK: attributes #[[#ATTR0]] = { nounwind memory(none) }
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