| ; RUN: opt < %s -instsimplify |
| |
| ; instsimplify pass should explicitly require DominatorTreeAnalysis |
| ; This test will segfault if DominatorTree is not available |
| |
| target triple = "x86_64-grtev4-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define void @foo(i16 *) #1 align 2 { |
| br i1 undef, label %exit, label %2 |
| |
| ; <label>:2: |
| %3 = tail call i8* @_Znwm(i64 56) #10 |
| %4 = bitcast i8* %3 to i16* |
| %p = load i16*, i16** undef, align 8 |
| %5 = icmp eq i16* %p, %4 |
| br i1 %5, label %exit, label %6 |
| |
| ; <label>:6: |
| %7 = icmp eq i16* %p, null |
| br i1 %7, label %exit, label %8 |
| |
| ; <label>:8: |
| br label %exit |
| |
| exit: |
| ret void |
| } |
| |
| ; Function Attrs: nobuiltin |
| declare i8* @_Znwm(i64) |
