1 ; RUN: opt -S -gvn-hoist < %s | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-unknown-linux-gnu"
5 define void @test1(i1 %a, i1** %d) {
7 %0 = load i1*, i1** %d, align 8
8 br i1 %a, label %if.then, label %if.else
10 if.then: ; preds = %entry
13 if.else: ; preds = %entry
16 if.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
20 if.then2: ; preds = %if.end
21 %rc = getelementptr inbounds i1, i1* %0, i64 0
22 store i1 %c.0, i1* %rc, align 4
25 if.else3: ; preds = %if.end
26 %rc5 = getelementptr inbounds i1, i1* %0, i64 0
27 store i1 %c.0, i1* %rc5, align 4
30 if.end6: ; preds = %if.else3, %if.then2
34 ; CHECK-LABEL: define void @test1(
35 ; CHECK: %[[load:.*]] = load i1*, i1** %d, align 8
36 ; CHECK: %[[phi:.*]] = phi i1 [ true, {{.*}} ], [ false, {{.*}} ]
38 ; CHECK: %[[gep0:.*]] = getelementptr inbounds i1, i1* %[[load]], i64 0
39 ; CHECK: store i1 %[[phi]], i1* %[[gep0]], align 4
41 ; Check that store instructions are hoisted.