derek.holloway
7502bf64a4
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55 lines
2.5 KiB
LLVM
55 lines
2.5 KiB
LLVM
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-vulkan-unknown %s -o - | FileCheck %s
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-vulkan-unknown %s -o - -filetype=obj | spirv-val %}
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; Test lowering to spir-v backend for various types and scalar/vector
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; CHECK-DAG: %[[#f16:]] = OpTypeFloat 16
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; CHECK-DAG: %[[#f32:]] = OpTypeFloat 32
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; CHECK-DAG: %[[#bool:]] = OpTypeBool
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; CHECK-DAG: %[[#bool4:]] = OpTypeVector %[[#bool]] 4
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; CHECK-DAG: %[[#uint:]] = OpTypeInt 32 0
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; CHECK-DAG: %[[#v4_half:]] = OpTypeVector %[[#f16]] 4
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; CHECK-DAG: %[[#scope:]] = OpConstant %[[#uint]] 3
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; CHECK-LABEL: Begin function test_float
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; CHECK: %[[#fexpr:]] = OpFunctionParameter %[[#f32]]
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define i1 @test_float(float %fexpr) {
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entry:
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; CHECK: %[[#fret:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#fexpr]]
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%0 = call i1 @llvm.spv.wave.all.equal.f32(float %fexpr)
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ret i1 %0
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}
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; CHECK-LABEL: Begin function test_int
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; CHECK: %[[#iexpr:]] = OpFunctionParameter %[[#uint]]
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define i1 @test_int(i32 %iexpr) {
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entry:
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; CHECK: %[[#iret:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#iexpr]]
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%0 = call i1 @llvm.spv.wave.all.equal.i32(i32 %iexpr)
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ret i1 %0
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}
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; CHECK-LABEL: Begin function test_vhalf
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; Here there's a vector, so we scalarize and then recombine the
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; result back into one vector
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define <4 x i1> @test_vhalf(<4 x half> %vbexpr) {
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entry:
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; CHECK: %[[#param:]] = OpFunctionParameter %[[#v4float:]]
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; CHECK: %[[#ext1:]] = OpCompositeExtract %[[#f16]] %[[#param]] 0
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; CHECK-NEXT: %[[#res1:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#ext1]]
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; CHECK-NEXT: %[[#ext2:]] = OpCompositeExtract %[[#f16]] %[[#param]] 1
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; CHECK-NEXT: %[[#res2:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#ext2]]
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; CHECK-NEXT: %[[#ext3:]] = OpCompositeExtract %[[#f16]] %[[#param]] 2
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; CHECK-NEXT: %[[#res3:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#ext3]]
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; CHECK-NEXT: %[[#ext4:]] = OpCompositeExtract %[[#f16]] %[[#param]] 3
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; CHECK-NEXT: %[[#res4:]] = OpGroupNonUniformAllEqual %[[#bool]] %[[#scope]] %[[#ext4]]
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; CHECK-NEXT: %[[#ret:]] = OpCompositeConstruct %[[#bool4]] %[[#res1:]] %[[#res2:]] %[[#res3:]] %[[#res4:]]
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; CHECK-NEXT: OpReturnValue %[[#ret]]
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%0 = call <4 x i1> @llvm.spv.wave.all.equal.v4half(<4 x half> %vbexpr)
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ret <4 x i1> %0
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}
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declare i1 @llvm.spv.wave.all.equal.f32(float)
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declare i1 @llvm.spv.wave.all.equal.i32(i32)
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declare <4 x i1> @llvm.spv.wave.all.equal.v4half(<4 x half>)
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