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And add them to the pipeline via AMDGPUTargetMachine::registerPassBuilderCallbacks(), which mirrors AMDGPUTargetMachine::adjustPassManager(). These passes can't be unconditionally added to PassRegistry.def since they are only present when the AMDGPU backend is enabled. And there are no target-specific headers in llvm/include, so parsing these pass names must occur somewhere in the AMDGPU directory. I decided the best place was inside the TargetMachine, since the PassBuilder invokes TargetMachine::registerPassBuilderCallbacks() anyway. If we come up with a cleaner solution for target-specific passes in the future that's fine, but there aren't too many target-specific IR passes living in target-specific directories so it shouldn't be too bad to change in the future. Reviewed By: ychen, arsenm Differential Revision: https://reviews.llvm.org/D93863
26 lines
1.2 KiB
LLVM
26 lines
1.2 KiB
LLVM
; REQUIRES: asserts
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; RUN: opt -S -amdgpu-simplifylib -debug-only=amdgpu-simplifylib -mtriple=amdgcn-unknown-amdhsa -disable-output < %s 2>&1 | FileCheck %s
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; RUN: opt -S -passes=amdgpu-simplifylib -debug-only=amdgpu-simplifylib -mtriple=amdgcn-unknown-amdhsa -disable-output < %s 2>&1 | FileCheck %s
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; CHECK-NOT: AMDIC: try folding call void @llvm.lifetime.start.p0i8
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; CHECK-NOT: AMDIC: try folding call void @llvm.lifetime.end.p0i8
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; CHECK-NOT: AMDIC: try folding call void @llvm.dbg.value
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define void @foo(i32 %i) {
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call void @llvm.lifetime.start.p0i8(i64 1, i8* undef)
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call void @llvm.lifetime.end.p0i8(i64 1, i8* undef)
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call void @llvm.dbg.value(metadata i32 undef, metadata !DILocalVariable(name: "1", scope: !2), metadata !DIExpression()), !dbg !3
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ret void
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}
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declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture)
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declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture)
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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!llvm.module.flags = !{!1}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !DIFile(filename: "1", directory: "1"))
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!1 = !{i32 2, !"Debug Info Version", i32 3}
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!2 = distinct !DISubprogram(unit: !0)
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!3 = !DILocation(line: 1, column: 1, scope: !2)
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