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* }
10 @A__vtblZ = constant %A__vtbl { i8* null, i32 (%A*)* @A.foo }
12 declare i32 @A.foo(%A* nocapture %this)
14 define void @storeA(%A* %a.ptr) {
16 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds %A, %A* %a.ptr, i64 0, i32 0
17 ; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
18 ; CHECK-NEXT: ret void
19 store %A { %A__vtbl* @A__vtblZ }, %A* %a.ptr, align 8
23 define void @storeB(%B* %b.ptr) {
25 ; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
26 ; CHECK-NEXT: store i8* null, i8** [[GEP1]], align 8
27 ; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
28 ; CHECK-NEXT: store i64 42, i64* [[GEP2]], align 8
29 ; CHECK-NEXT: ret void
30 store %B { i8* null, i64 42 }, %B* %b.ptr, align 8
34 define void @storeStructOfA({ %A }* %sa.ptr) {
35 ; CHECK-LABEL: storeStructOfA
36 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
37 ; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
38 ; CHECK-NEXT: ret void
39 store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %sa.ptr, align 8
43 define void @storeArrayOfA([1 x %A]* %aa.ptr) {
44 ; CHECK-LABEL: storeArrayOfA
45 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds [1 x %A], [1 x %A]* %aa.ptr, i64 0, i64 0, i32 0
46 ; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
47 ; CHECK-NEXT: ret void
48 store [1 x %A] [%A { %A__vtbl* @A__vtblZ }], [1 x %A]* %aa.ptr, align 8
52 define void @storeStructOfArrayOfA({ [1 x %A] }* %saa.ptr) {
53 ; CHECK-LABEL: storeStructOfArrayOfA
54 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { [1 x %A] }, { [1 x %A] }* %saa.ptr, i64 0, i32 0, i64 0, i32 0
55 ; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
56 ; CHECK-NEXT: ret void
57 store { [1 x %A] } { [1 x %A] [%A { %A__vtbl* @A__vtblZ }] }, { [1 x %A] }* %saa.ptr, align 8
61 define %A @loadA(%A* %a.ptr) {
63 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds %A, %A* %a.ptr, i64 0, i32 0
64 ; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
65 ; CHECK-NEXT: [[IV:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
66 ; CHECK-NEXT: ret %A [[IV]]
67 %1 = load %A, %A* %a.ptr, align 8
71 define %B @loadB(%B* %b.ptr) {
73 ; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
74 ; CHECK-NEXT: [[LOAD1:%[a-z0-9\.]+]] = load i8*, i8** [[GEP1]], align 8
75 ; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %B undef, i8* [[LOAD1]], 0
76 ; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
77 ; CHECK-NEXT: [[LOAD2:%[a-z0-9\.]+]] = load i64, i64* [[GEP2]], align 8
78 ; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue %B [[IV1]], i64 [[LOAD2]], 1
79 ; CHECK-NEXT: ret %B [[IV2]]
80 %1 = load %B, %B* %b.ptr, align 8
84 define { %A } @loadStructOfA({ %A }* %sa.ptr) {
85 ; CHECK-LABEL: loadStructOfA
86 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
87 ; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
88 ; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
89 ; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue { %A } undef, %A [[IV1]], 0
90 ; CHECK-NEXT: ret { %A } [[IV2]]
91 %1 = load { %A }, { %A }* %sa.ptr, align 8
95 define [1 x %A] @loadArrayOfA([1 x %A]* %aa.ptr) {
96 ; CHECK-LABEL: loadArrayOfA
97 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds [1 x %A], [1 x %A]* %aa.ptr, i64 0, i64 0, i32 0
98 ; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
99 ; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
100 ; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue [1 x %A] undef, %A [[IV1]], 0
101 ; CHECK-NEXT: ret [1 x %A] [[IV2]]
102 %1 = load [1 x %A], [1 x %A]* %aa.ptr, align 8
106 define { [1 x %A] } @loadStructOfArrayOfA({ [1 x %A] }* %saa.ptr) {
107 ; CHECK-LABEL: loadStructOfArrayOfA
108 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { [1 x %A] }, { [1 x %A] }* %saa.ptr, i64 0, i32 0, i64 0, i32 0
109 ; CHECK-NEXT: [[LOAD:%[a-z0-9\.]+]] = load %A__vtbl*, %A__vtbl** [[GEP]], align 8
110 ; CHECK-NEXT: [[IV1:%[a-z0-9\.]+]] = insertvalue %A undef, %A__vtbl* [[LOAD]], 0
111 ; CHECK-NEXT: [[IV2:%[a-z0-9\.]+]] = insertvalue [1 x %A] undef, %A [[IV1]], 0
112 ; CHECK-NEXT: [[IV3:%[a-z0-9\.]+]] = insertvalue { [1 x %A] } undef, [1 x %A] [[IV2]], 0
113 ; CHECK-NEXT: ret { [1 x %A] } [[IV3]]
114 %1 = load { [1 x %A] }, { [1 x %A] }* %saa.ptr, align 8
118 define { %A } @structOfA({ %A }* %sa.ptr) {
119 ; CHECK-LABEL: structOfA
120 ; CHECK-NEXT: [[GEP:%[a-z0-9\.]+]] = getelementptr inbounds { %A }, { %A }* %sa.ptr, i64 0, i32 0, i32 0
121 ; CHECK-NEXT: store %A__vtbl* @A__vtblZ, %A__vtbl** [[GEP]], align 8
122 ; CHECK-NEXT: ret { %A } { %A { %A__vtbl* @A__vtblZ } }
123 store { %A } { %A { %A__vtbl* @A__vtblZ } }, { %A }* %sa.ptr, align 8
124 %1 = load { %A }, { %A }* %sa.ptr, align 8
128 define %B @structB(%B* %b.ptr) {
129 ; CHECK-LABEL: structB
130 ; CHECK-NEXT: [[GEP1:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 0
131 ; CHECK-NEXT: store i8* null, i8** [[GEP1]], align 8
132 ; CHECK-NEXT: [[GEP2:%[a-z0-9\.]+]] = getelementptr inbounds %B, %B* %b.ptr, i64 0, i32 1
133 ; CHECK-NEXT: store i64 42, i64* [[GEP2]], align 8
134 ; CHECK-NEXT: ret %B { i8* null, i64 42 }
135 store %B { i8* null, i64 42 }, %B* %b.ptr, align 8
136 %1 = load %B, %B* %b.ptr, align 8