forked from OSchip/llvm-project
32 lines
677 B
LLVM
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)
|