1 ; RUN: opt -instcombine -S < %s | FileCheck %s
3 target datalayout = "e-i64:64-f80:128-n8:16:32:64"
4 target triple = "x86_64-unknown-linux-gnu"
6 %A__vtbl = type { i8*, i32 (%A*)* }
7 %A = type { %A__vtbl* }
9 @A__vtblZ = constant %A__vtbl { i8* null, i32 (%A*)* @A.foo }
11 declare i32 @A.foo(%A* nocapture %this)
13 declare i8* @allocmemory(i64)
15 define void @storeA() {
17 %0 = tail call i8* @allocmemory(i64 32)
18 %1 = bitcast i8* %0 to %A*
20 ; CHECK: store %A__vtbl* @A__vtblZ
21 store %A { %A__vtbl* @A__vtblZ }, %A* %1, align 8
25 define void @storeStructOfA() {
27 %0 = tail call i8* @allocmemory(i64 32)
28 %1 = bitcast i8* %0 to { %A }*
29 ; CHECK-LABEL: storeStructOfA
30 ; CHECK: store %A__vtbl* @A__vtblZ
31 store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %1, align 8
37 %0 = tail call i8* @allocmemory(i64 32)
38 %1 = bitcast i8* %0 to %A*
40 ; CHECK: load %A__vtbl*,
41 ; CHECK: insertvalue %A undef, %A__vtbl* {{.*}}, 0
42 %2 = load %A, %A* %1, align 8
46 define { %A } @loadStructOfA() {
48 %0 = tail call i8* @allocmemory(i64 32)
49 %1 = bitcast i8* %0 to { %A }*
50 ; CHECK-LABEL: loadStructOfA
51 ; CHECK: load %A__vtbl*,
52 ; CHECK: insertvalue %A undef, %A__vtbl* {{.*}}, 0
53 ; CHECK: insertvalue { %A } undef, %A {{.*}}, 0
54 %2 = load { %A }, { %A }* %1, align 8
58 define { %A } @structOfA() {
60 %0 = tail call i8* @allocmemory(i64 32)
61 %1 = bitcast i8* %0 to { %A }*
62 ; CHECK-LABEL: structOfA
63 ; CHECK: store %A__vtbl* @A__vtblZ
64 store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %1, align 8
65 %2 = load { %A }, { %A }* %1, align 8
67 ; CHECK: ret { %A } { %A { %A__vtbl* @A__vtblZ } }