1; RUN: opt -S -gvn-hoist < %s | FileCheck %s
2target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3target triple = "x86_64-unknown-linux-gnu"
4
5define void @test1(i1 %a, i1** %d) {
6entry:
7  %0 = load i1*, i1** %d, align 8
8  br i1 %a, label %if.then, label %if.else
9
10if.then:                                          ; preds = %entry
11  br label %if.end
12
13if.else:                                          ; preds = %entry
14  br label %if.end
15
16if.end:                                           ; preds = %if.else, %if.then
17  %c.0 = phi i1 [ 1, %if.then ], [ 0, %if.else ]
18  br i1 %c.0, label %if.then2, label %if.else3
19
20if.then2:                                         ; preds = %if.end
21  %rc = getelementptr inbounds i1, i1* %0, i64 0
22  store i1 %c.0, i1* %rc, align 4
23  br label %if.end6
24
25if.else3:                                         ; preds = %if.end
26  %rc5 = getelementptr inbounds i1, i1* %0, i64 0
27  store i1 %c.0, i1* %rc5, align 4
28  br label %if.end6
29
30if.end6:                                          ; preds = %if.else3, %if.then2
31  ret void
32}
33
34; CHECK-LABEL: define void @test1(
35; CHECK:  %[[load:.*]] = load i1*, i1** %d, align 8
36; CHECK:  %[[phi:.*]] = phi i1 [ true, {{.*}} ], [ false, {{.*}} ]
37
38; CHECK: %[[gep0:.*]] = getelementptr inbounds i1, i1* %[[load]], i64 0
39; CHECK: store i1 %[[phi]], i1* %[[gep0]], align 4
40
41; Check that store instructions are hoisted.
42; CHECK-NOT: store