derek.holloway
7502bf64a4
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78 lines
3.4 KiB
LLVM
78 lines
3.4 KiB
LLVM
; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv1.5-unknown-vulkan %s -o - | FileCheck %s --check-prefixes=CHECK,SPIRV15
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; RUN: llc -verify-machineinstrs -spirv-ext=+SPV_EXT_demote_to_helper_invocation -O0 -mtriple=spirv1.5-unknown-vulkan %s -o - | FileCheck %s --check-prefixes=CHECK,SPIRV16,WITH-EXTENSION,WITH-CAPABILITY
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; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv1.6-unknown-vulkan %s -o - | FileCheck %s --check-prefixes=CHECK,SPIRV16,WITH-CAPABILITY
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv1.5-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
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; RUN: %if spirv-tools %{ llc -O0 -spirv-ext=+SPV_EXT_demote_to_helper_invocation -mtriple=spirv1.5-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
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; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv1.6-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
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; Make sure lowering is correctly generating spirv code.
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; WITH-CAPABILITY-DAG: OpCapability DemoteToHelperInvocation
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; WITH-EXTENSION-DAG: OpExtension "SPV_EXT_demote_to_helper_invocation"
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; CHECK-DAG: %[[#float:]] = OpTypeFloat 32
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; CHECK-DAG: %[[#void:]] = OpTypeVoid
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; CHECK-DAG: %[[#bool:]] = OpTypeBool
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; CHECK-DAG: %[[#v4bool:]] = OpTypeVector %[[#bool]] 4
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; CHECK-DAG: %[[#v4float:]] = OpTypeVector %[[#float]] 4
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; CHECK-DAG: %[[#fzero:]] = OpConstant %[[#float]] 0
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; CHECK-DAG: %[[#v4fzero:]] = OpConstantNull %[[#v4float]]
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define void @test_scalar(float noundef %Buf) {
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entry:
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; CHECK-LABEL: ; -- Begin function test_scalar
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; CHECK: %[[#load:]] = OpFunctionParameter %[[#float]]
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; CHECK: %[[#cmplt:]] = OpFOrdLessThan %[[#bool]] %[[#load]] %[[#fzero]]
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; CHECK: OpBranchConditional %[[#cmplt]] %[[#truel:]] %[[#endl:]]
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; CHECK: %[[#truel]] = OpLabel
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; SPIRV15: OpKill
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; SPIRV16-NO: OpKill
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; SPIRV15-NO: OpBranch %[[#endl]]
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; SPIRV16: OpDemoteToHelperInvocation
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; SPIRV16: OpBranch %[[#endl]]
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; CHECK: %[[#endl]] = OpLabel
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%Buf.addr = alloca float, align 4
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store float %Buf, ptr %Buf.addr, align 4
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%1 = load float, ptr %Buf.addr, align 4
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%2 = fcmp olt float %1, 0.000000e+00
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br i1 %2, label %lt0, label %end
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lt0: ; preds = %entry
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call void @llvm.spv.discard()
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br label %end
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end: ; preds = %lt0, %entry
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ret void
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}
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declare void @llvm.spv.discard()
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define void @test_vector(<4 x float> noundef %Buf) {
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entry:
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; CHECK-LABEL: ; -- Begin function test_vector
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; CHECK: %[[#loadvec:]] = OpFunctionParameter %[[#v4float]]
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; CHECK: %[[#cmplt:]] = OpFOrdLessThan %[[#v4bool]] %[[#loadvec]] %[[#v4fzero]]
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; CHECK: %[[#opany:]] = OpAny %[[#bool]] %[[#cmplt]]
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; CHECK: OpBranchConditional %[[#opany]] %[[#truel:]] %[[#endl:]]
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; CHECK: %[[#truel]] = OpLabel
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; SPIRV15: OpKill
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; SPIRV16-NO: OpKill
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; SPIRV15-NO: OpBranch %[[#endl]]
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; SPIRV16: OpDemoteToHelperInvocation
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; SPIRV16: OpBranch %[[#endl]]
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; CHECK: %[[#endl]] = OpLabel
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%Buf.addr = alloca <4 x float>, align 16
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store <4 x float> %Buf, ptr %Buf.addr, align 16
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%1 = load <4 x float>, ptr %Buf.addr, align 16
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%2 = fcmp olt <4 x float> %1, zeroinitializer
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%3 = call i1 @llvm.spv.any.v4i1(<4 x i1> %2)
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br i1 %3, label %lt0, label %end
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lt0: ; preds = %entry
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call void @llvm.spv.discard()
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br label %end
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end: ; preds = %lt0, %entry
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ret void
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}
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