1; This testcase can be simplified by "realizing" that alloca can never return
2; null.
3; RUN: opt < %s -instcombine -simplifycfg -S | FileCheck %s
4; CHECK-NOT: br
5
6declare i32 @bitmap_clear(...)
7
8define i32 @oof() {
9entry:
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
13
14then:           ; preds = %entry
15        %tmp.4 = call i32 (...) @bitmap_clear( i32* %live_head )               ; <i32> [#uses=0]
16        br label %UnifiedExitNode
17
18UnifiedExitNode:                ; preds = %then, %entry
19        ret i32 0
20}
21
22