; This testcase can be simplified by "realizing" that alloca can never return | |
; null. | |
; RUN: opt < %s -instcombine -simplifycfg -S | not grep br | |
declare i32 @bitmap_clear(...) | |
define i32 @oof() { | |
entry: | |
%live_head = alloca i32 ; <i32*> [#uses=2] | |
%tmp.1 = icmp ne i32* %live_head, null ; <i1> [#uses=1] | |
br i1 %tmp.1, label %then, label %UnifiedExitNode | |
then: ; preds = %entry | |
%tmp.4 = call i32 (...)* @bitmap_clear( i32* %live_head ) ; <i32> [#uses=0] | |
br label %UnifiedExitNode | |
UnifiedExitNode: ; preds = %then, %entry | |
ret i32 0 | |
} | |