fix a globalopt crash on two Adobe-C++ testcases that the recent
[llvm.git] / test / Transforms / InstCombine / 2007-09-10-AliasConstFold.ll
blobc27fe0ab6a6dbb9a412de306a36cc8eeb856d3cc
1 ; RUN: opt < %s -instcombine -S | grep icmp
2 ; PR1646
4 @__gthrw_pthread_cancel = alias weak i32 (i32)* @pthread_cancel         ; <i32 (i32)*> [#uses=1]
5 @__gthread_active_ptr.5335 = internal constant i8* bitcast (i32 (i32)* @__gthrw_pthread_cancel to i8*)          ; <i8**> [#uses=1]
6 declare extern_weak i32 @pthread_cancel(i32)
8 define i1 @__gthread_active_p() {
9 entry:
10         %tmp1 = load i8** @__gthread_active_ptr.5335, align 4           ; <i8*> [#uses=1]
11         %tmp2 = icmp ne i8* %tmp1, null         ; <i1> [#uses=1]
12         ret i1 %tmp2