1 ; RUN: opt -instcombine -S < %s | FileCheck %s 2 3 target datalayout = "e-i64:64-f80:128-n8:16:32:64" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 %A__vtbl = type { i8*, i32 (%A*)* } 7 %A = type { %A__vtbl* } 8 %B = type { i8*, i64 } 9 10 @A__vtblZ = constant %A__vtbl { i8* null, i32 (%A*)* @A.foo } 11 12 declare i32 @A.foo(%A* nocapture %this) 13 14 define void @storeA(%A* %a.ptr) { 15 ; CHECK-LABEL: storeA 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 20 ret void 21 } 22 23 define void @storeB(%B* %b.ptr) { 24 ; CHECK-LABEL: storeB 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 31 ret void 32 } 33 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 40 ret void 41 } 42 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 49 ret void 50 } 51 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 58 ret void 59 } 60 61 define %A @loadA(%A* %a.ptr) { 62 ; CHECK-LABEL: loadA 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 68 ret %A %1 69 } 70 71 define %B @loadB(%B* %b.ptr) { 72 ; CHECK-LABEL: loadB 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 81 ret %B %1 82 } 83 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 92 ret { %A } %1 93 } 94 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 8 103 ret [1 x %A] %1 104 } 105 106 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 8 115 ret { [1 x %A] } %1 116 } 117 118 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 8 125 ret { %A } %1 126 } 127 128 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 8 137 ret %B %1 138 } 139
