blob: 1859d2d73e93e9febd0a49cdc0bfd4659592dfc9 [file] [log] [blame]
; This testcase can be simplified by "realizing" that alloca can never return
; null.
; RUN: opt < %s -passes=instcombine,simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
; CHECK-NOT: br
declare i32 @bitmap_clear(...)
define i32 @oof() {
entry:
%live_head = alloca i32 ; <ptr> [#uses=2]
%tmp.1 = icmp ne ptr %live_head, null ; <i1> [#uses=1]
br i1 %tmp.1, label %then, label %UnifiedExitNode
then: ; preds = %entry
%tmp.4 = call i32 (...) @bitmap_clear( ptr %live_head ) ; <i32> [#uses=0]
br label %UnifiedExitNode
UnifiedExitNode: ; preds = %then, %entry
ret i32 0
}