1 ; This testcase can be simplified by "realizing" that alloca can never return
3 ; RUN: opt < %s -instcombine -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
6 declare i32 @bitmap_clear(...)
10 %live_head = alloca i32 ; <i32*> [#uses=2]
11 %tmp.1 = icmp ne i32* %live_head, null ; <i1> [#uses=1]
12 br i1 %tmp.1, label %then, label %UnifiedExitNode
14 then: ; preds = %entry
15 %tmp.4 = call i32 (...) @bitmap_clear( i32* %live_head ) ; <i32> [#uses=0]
16 br label %UnifiedExitNode
18 UnifiedExitNode: ; preds = %then, %entry