derek.holloway
7502bf64a4
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38 lines
1.7 KiB
HLSL
38 lines
1.7 KiB
HLSL
// RUN: %clang_cc1 -finclude-default-header -triple \
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// RUN: dxil-pc-shadermodel6.3-compute %s -emit-llvm -disable-llvm-passes -o - | \
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// RUN: FileCheck %s --check-prefixes=CHECK,CHECK-DXIL
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// RUN: %clang_cc1 -finclude-default-header -triple \
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// RUN: spirv-pc-vulkan-compute %s -emit-llvm -disable-llvm-passes -o - | \
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// RUN: FileCheck %s --check-prefixes=CHECK,CHECK-SPV
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// Test lowering of asdouble expansion to shuffle/bitcast and splat when required
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// CHECK-LABEL: test_uint
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double test_uint(uint low, uint high) {
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// CHECK-SPV: %[[LOW_INSERT:.*]] = insertelement <1 x i32>
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// CHECK-SPV: %[[LOW_SHUFFLE:.*]] = shufflevector <1 x i32> %[[LOW_INSERT]], {{.*}} zeroinitializer
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// CHECK-SPV: %[[HIGH_INSERT:.*]] = insertelement <1 x i32>
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// CHECK-SPV: %[[HIGH_SHUFFLE:.*]] = shufflevector <1 x i32> %[[HIGH_INSERT]], {{.*}} zeroinitializer
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// CHECK-SPV: %[[SHUFFLE0:.*]] = shufflevector <1 x i32> %[[LOW_SHUFFLE]], <1 x i32> %[[HIGH_SHUFFLE]],
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// CHECK-SPV-SAME: {{.*}} <i32 0, i32 1>
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// CHECK-SPV: bitcast <2 x i32> %[[SHUFFLE0]] to double
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// CHECK-DXIL: call reassoc nnan ninf nsz arcp afn double @llvm.dx.asdouble.i32
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return asdouble(low, high);
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}
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// CHECK-DXIL: declare double @llvm.dx.asdouble.i32
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// CHECK-LABEL: test_vuint
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double3 test_vuint(uint3 low, uint3 high) {
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// CHECK-SPV: %[[SHUFFLE1:.*]] = shufflevector
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// CHECK-SPV-SAME: {{.*}} <i32 0, i32 3, i32 1, i32 4, i32 2, i32 5>
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// CHECK-SPV: bitcast <6 x i32> %[[SHUFFLE1]] to <3 x double>
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// CHECK-DXIL: call reassoc nnan ninf nsz arcp afn <3 x double> @llvm.dx.asdouble.v3i32
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return asdouble(low, high);
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}
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// CHECK-DXIL: declare <3 x double> @llvm.dx.asdouble.v3i32
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