| ; RUN: opt < %s -print-callgraph -disable-output 2>&1 | FileCheck %s |
| |
| ; The test will report used1 and used2 functions as used on the grounds |
| ; of llvm.*.used references. Passing IgnoreLLVMUsed = true into the |
| ; Function::hasAddressTaken() in the CallGraph::addToCallGraph() has to |
| ; change their uses to zero. |
| |
| ; CHECK: Call graph node <<null function>><<{{.*}}>> #uses=0 |
| ; CHECK-NEXT: CS<None> calls function 'used1' |
| ; CHECK-NEXT: CS<None> calls function 'used2' |
| ; 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=1 |
| ; CHECK-EMPTY: |
| ; CHECK-NEXT: Call graph node for function: 'used2'<<{{.*}}>> #uses=1 |
| ; 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 |
| } |