38 lines
1.2 KiB
LLVM
38 lines
1.2 KiB
LLVM
; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
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; The test will report used1 and used2 functions as used on the grounds
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; of llvm.*.used references. Passing IgnoreLLVMUsed = true into the
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; Function::hasAddressTaken() in the CallGraph::addToCallGraph() has to
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; change their uses to zero.
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; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0
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; CHECK-NEXT: CS<None> calls function 'used1'
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; CHECK-NEXT: CS<None> calls function 'used2'
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; CHECK-NEXT: CS<None> calls function 'unused'
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'unused'<<{{.*}}>> #uses=1
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'used1'<<{{.*}}>> #uses=1
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; CHECK-EMPTY:
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; CHECK-NEXT: Call graph node for function: 'used2'<<{{.*}}>> #uses=1
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; CHECK-EMPTY:
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@llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @used1 to i8*)]
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@llvm.compiler.used = appending global [1 x void()*] [void ()* @used2]
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@array = appending global [1 x i8*] [i8* bitcast (void ()* @unused to i8*)]
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define internal void @used1() {
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entry:
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ret void
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}
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define internal void @used2() {
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entry:
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ret void
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}
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define internal void @unused() {
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entry:
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ret void
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}
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