llvm-project/llvm/test/Analysis/CallGraph/ignore-llvm-used.ll

30 lines
846 B
LLVM

; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s
; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0
; CHECK-NEXT: CS<None> calls function 'unused'
; CHECK-EMPTY:
; CHECK-NEXT: Call graph node for function: 'unused'<<{{.*}}>> #uses=1
; CHECK-EMPTY:
; CHECK-NEXT: Call graph node for function: 'used1'<<{{.*}}>> #uses=0
; CHECK-EMPTY:
; CHECK-NEXT: Call graph node for function: 'used2'<<{{.*}}>> #uses=0
; CHECK-EMPTY:
@llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @used1 to i8*)]
@llvm.compiler.used = appending global [1 x void()*] [void ()* @used2]
@array = appending global [1 x i8*] [i8* bitcast (void ()* @unused to i8*)]
define internal void @used1() {
entry:
ret void
}
define internal void @used2() {
entry:
ret void
}
define internal void @unused() {
entry:
ret void
}