derek.holloway
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51 lines
1.7 KiB
LLVM
51 lines
1.7 KiB
LLVM
; REQUIRES:x86_64-linux
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; Test flattening indirect calls into "VP" MD_prof metadata, in prelink.
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; RUN: split-file %s %t
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; RUN: llvm-ctxprof-util fromYAML --input %t/profile.yaml --output %t/profile.ctxprofdata
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; RUN: opt -passes=ctx-prof-flatten-prethinlink %t/example.ll -use-ctx-profile=%t/profile.ctxprofdata \
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; RUN: -S -o - | FileCheck %s --check-prefix=PRELINK
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; PRELINK: call void @llvm.instrprof.callsite(ptr @foo, i64 1234, i32 2, i32 0, ptr %p)
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; PRELINK-NEXT: call void %p(), !prof ![[VPPROF:[0-9]+]]
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; PRELINK-NEXT: call void @llvm.instrprof.callsite(ptr @foo, i64 1234, i32 2, i32 1, ptr @bar)
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; PRELINK-NEXT: call void @bar(){{$}}
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; PRELINK: ![[VPPROF]] = !{!"VP", i32 0, i64 25, i64 5678, i64 20, i64 5555, i64 5}
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; RUN: cp %t/example.ll %t/1234.ll
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; RUN: opt -passes=ctx-prof-flatten %t/1234.ll -use-ctx-profile=%t/profile.ctxprofdata \
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; RUN: -S -o - | FileCheck %s --check-prefix=POSTLINK
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; RUN: opt -passes=ctx-prof-flatten %t/example.ll -use-ctx-profile=%t/profile.ctxprofdata \
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; RUN: -S -o - | FileCheck %s --check-prefix=POSTLINK
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; POSTLINK-NOT: call void %p(), !prof
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;--- example.ll
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declare !guid !0 void @bar()
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define void @foo(ptr %p) !guid !1 {
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call void @llvm.instrprof.increment(ptr @foo, i64 1234, i32 1, i32 0)
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call void @llvm.instrprof.callsite(ptr @foo, i64 1234, i32 2, i32 0, ptr %p)
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call void %p()
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call void @llvm.instrprof.callsite(ptr @foo, i64 1234, i32 2, i32 1, ptr @bar)
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call void @bar()
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ret void
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}
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!0 = !{i64 8888}
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!1 = !{i64 1234}
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;--- profile.yaml
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Contexts:
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- Guid: 1234
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TotalRootEntryCount: 5
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Counters: [5]
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Callsites:
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- - Guid: 5555
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Counters: [1]
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- Guid: 5678
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Counters: [4]
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- - Guid: 8888
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Counters: [5]
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