bolt/deps/llvm-18.1.8/llvm/test/Transforms/InstCombine/2007-09-10-AliasConstFold.ll
2025-02-14 19:21:04 +01:00

15 lines
487 B
LLVM

; RUN: opt < %s -passes=instcombine -S | grep icmp
; PR1646
@__gthrw_pthread_cancel = weak alias i32 (i32), ptr @pthread_cancel ; <ptr> [#uses=1]
@__gthread_active_ptr.5335 = internal constant ptr @__gthrw_pthread_cancel ; <ptr> [#uses=1]
define weak i32 @pthread_cancel(i32) {
ret i32 0
}
define i1 @__gthread_active_p() {
entry:
%tmp1 = load ptr, ptr @__gthread_active_ptr.5335, align 4 ; <ptr> [#uses=1]
%tmp2 = icmp ne ptr %tmp1, null ; <i1> [#uses=1]
ret i1 %tmp2
}