llvm-mirror/test/Transforms/InstSimplify/require-dominator.ll
Dehao Chen 7a4989ecf6 Add unittest for r280760
llvm-svn: 280963
2016-09-08 16:53:40 +00:00

32 lines
677 B
LLVM

; 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)