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27 lines
886 B
LLVM
27 lines
886 B
LLVM
; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
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; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0
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; CHECK-NEXT: CS<None> calls function 'cast_only'
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; CHECK-NEXT: CS<None> calls function 'llvm.lifetime.start.p0i8'
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'cast_only'<<{{.*}}>> #uses=1
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'llvm.lifetime.start.p0i8'<<{{.*}}>> #uses=1
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'used_by_lifetime'<<{{.*}}>> #uses=0
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; CHECK-EMPTY:
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define internal void @used_by_lifetime() {
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entry:
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%c = bitcast void()* @used_by_lifetime to i8*
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call void @llvm.lifetime.start.p0i8(i64 4, i8* %c)
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ret void
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}
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define internal void @cast_only() {
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entry:
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%c = bitcast void()* @cast_only to i8*
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ret void
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}
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
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