1 ; RUN: opt -S -wholeprogramdevirt %s | FileCheck --check-prefixes=CHECK,RETP %s 2 ; RUN: sed -e 's,+retpoline,-retpoline,g' %s | opt -S -wholeprogramdevirt | FileCheck --check-prefixes=CHECK,NORETP %s 3 4 ; RUN: opt -wholeprogramdevirt -wholeprogramdevirt-summary-action=export -wholeprogramdevirt-read-summary=%S/Inputs/export.yaml -wholeprogramdevirt-write-summary=%t -S -o - %s | FileCheck --check-prefixes=CHECK,RETP %s 5 6 ; RUN: opt -wholeprogramdevirt -wholeprogramdevirt-summary-action=export -wholeprogramdevirt-read-summary=%S/Inputs/export.yaml -wholeprogramdevirt-write-summary=%t -O3 -S -o - %s | FileCheck --check-prefixes=CHECK %s 7 8 ; RUN: FileCheck --check-prefix=SUMMARY %s < %t 9 10 ; SUMMARY: TypeIdMap: 11 ; SUMMARY-NEXT: typeid1: 12 ; SUMMARY-NEXT: TTRes: 13 ; SUMMARY-NEXT: Kind: Unsat 14 ; SUMMARY-NEXT: SizeM1BitWidth: 0 15 ; SUMMARY-NEXT: AlignLog2: 0 16 ; SUMMARY-NEXT: SizeM1: 0 17 ; SUMMARY-NEXT: BitMask: 0 18 ; SUMMARY-NEXT: InlineBits: 0 19 ; SUMMARY-NEXT: WPDRes: 20 ; SUMMARY-NEXT: 0: 21 ; SUMMARY-NEXT: Kind: BranchFunnel 22 ; SUMMARY-NEXT: SingleImplName: '' 23 ; SUMMARY-NEXT: ResByArg: 24 ; SUMMARY-NEXT: typeid2: 25 ; SUMMARY-NEXT: TTRes: 26 ; SUMMARY-NEXT: Kind: Unsat 27 ; SUMMARY-NEXT: SizeM1BitWidth: 0 28 ; SUMMARY-NEXT: AlignLog2: 0 29 ; SUMMARY-NEXT: SizeM1: 0 30 ; SUMMARY-NEXT: BitMask: 0 31 ; SUMMARY-NEXT: InlineBits: 0 32 ; SUMMARY-NEXT: WPDRes: 33 ; SUMMARY-NEXT: 0: 34 ; SUMMARY-NEXT: Kind: Indir 35 ; SUMMARY-NEXT: SingleImplName: '' 36 ; SUMMARY-NEXT: ResByArg: 37 ; SUMMARY-NEXT: typeid3: 38 ; SUMMARY-NEXT: TTRes: 39 ; SUMMARY-NEXT: Kind: Unsat 40 ; SUMMARY-NEXT: SizeM1BitWidth: 0 41 ; SUMMARY-NEXT: AlignLog2: 0 42 ; SUMMARY-NEXT: SizeM1: 0 43 ; SUMMARY-NEXT: BitMask: 0 44 ; SUMMARY-NEXT: InlineBits: 0 45 ; SUMMARY-NEXT: WPDRes: 46 ; SUMMARY-NEXT: 0: 47 ; SUMMARY-NEXT: Kind: BranchFunnel 48 ; SUMMARY-NEXT: SingleImplName: '' 49 ; SUMMARY-NEXT: ResByArg: 50 51 target datalayout = "e-p:64:64" 52 target triple = "x86_64-unknown-linux-gnu" 53 54 @vt1_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1_1 to i8*)], !type !0 55 @vt1_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1_2 to i8*)], !type !0 56 57 declare i32 @vf1_1(i8* %this, i32 %arg) 58 declare i32 @vf1_2(i8* %this, i32 %arg) 59 60 @vt2_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_1 to i8*)], !type !1 61 @vt2_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_2 to i8*)], !type !1 62 @vt2_3 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_3 to i8*)], !type !1 63 @vt2_4 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_4 to i8*)], !type !1 64 @vt2_5 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_5 to i8*)], !type !1 65 @vt2_6 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_6 to i8*)], !type !1 66 @vt2_7 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_7 to i8*)], !type !1 67 @vt2_8 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_8 to i8*)], !type !1 68 @vt2_9 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_9 to i8*)], !type !1 69 @vt2_10 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_10 to i8*)], !type !1 70 @vt2_11 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_11 to i8*)], !type !1 71 72 declare i32 @vf2_1(i8* %this, i32 %arg) 73 declare i32 @vf2_2(i8* %this, i32 %arg) 74 declare i32 @vf2_3(i8* %this, i32 %arg) 75 declare i32 @vf2_4(i8* %this, i32 %arg) 76 declare i32 @vf2_5(i8* %this, i32 %arg) 77 declare i32 @vf2_6(i8* %this, i32 %arg) 78 declare i32 @vf2_7(i8* %this, i32 %arg) 79 declare i32 @vf2_8(i8* %this, i32 %arg) 80 declare i32 @vf2_9(i8* %this, i32 %arg) 81 declare i32 @vf2_10(i8* %this, i32 %arg) 82 declare i32 @vf2_11(i8* %this, i32 %arg) 83 84 @vt3_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf3_1 to i8*)], !type !2 85 @vt3_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf3_2 to i8*)], !type !2 86 87 declare i32 @vf3_1(i8* %this, i32 %arg) 88 declare i32 @vf3_2(i8* %this, i32 %arg) 89 90 @vt4_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf4_1 to i8*)], !type !3 91 @vt4_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf4_2 to i8*)], !type !3 92 93 declare i32 @vf4_1(i8* %this, i32 %arg) 94 declare i32 @vf4_2(i8* %this, i32 %arg) 95 96 97 98 ; CHECK-LABEL: define i32 @fn1 99 ; CHECK-NOT: call void (...) @llvm.icall.branch.funnel 100 define i32 @fn1(i8* %obj) #0 { 101 %vtableptr = bitcast i8* %obj to [1 x i8*]** 102 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 103 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 104 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid1") 105 call void @llvm.assume(i1 %p) 106 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 107 %fptr = load i8*, i8** %fptrptr 108 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 109 ; RETP: {{.*}} = bitcast {{.*}} to i8* 110 ; RETP: [[VT1:%.*]] = bitcast {{.*}} to i8* 111 ; RETP: call i32 bitcast (void (i8*, ...)* @__typeid_typeid1_0_branch_funnel to i32 (i8*, i8*, i32)*)(i8* nest [[VT1]], i8* %obj, i32 1) 112 %result = call i32 %fptr_casted(i8* %obj, i32 1) 113 ; NORETP: call i32 % 114 ret i32 %result 115 } 116 117 ; CHECK-LABEL: define i32 @fn2 118 ; CHECK-NOT: call void (...) @llvm.icall.branch.funnel 119 define i32 @fn2(i8* %obj) #0 { 120 %vtableptr = bitcast i8* %obj to [1 x i8*]** 121 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 122 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 123 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid2") 124 call void @llvm.assume(i1 %p) 125 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 126 %fptr = load i8*, i8** %fptrptr 127 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 128 ; CHECK: call i32 % 129 %result = call i32 %fptr_casted(i8* %obj, i32 1) 130 ret i32 %result 131 } 132 133 ; CHECK-LABEL: define i32 @fn3 134 ; CHECK-NOT: call void (...) @llvm.icall.branch.funnel 135 define i32 @fn3(i8* %obj) #0 { 136 %vtableptr = bitcast i8* %obj to [1 x i8*]** 137 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 138 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 139 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !4) 140 call void @llvm.assume(i1 %p) 141 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 142 %fptr = load i8*, i8** %fptrptr 143 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 144 ; RETP: call i32 bitcast (void (i8*, ...)* @branch_funnel to 145 ; NORETP: call i32 % 146 %result = call i32 %fptr_casted(i8* %obj, i32 1) 147 ret i32 %result 148 } 149 150 ; CHECK-LABEL: define internal void @branch_funnel(i8* 151 ; CHECK: define hidden void @__typeid_typeid1_0_branch_funnel(i8* nest, ...) 152 ; CHECK-NEXT: musttail call void (...) @llvm.icall.branch.funnel(i8* %0, i8* bitcast ([1 x i8*]* {{(nonnull )?}}@vt1_1 to i8*), i32 (i8*, i32)* {{(nonnull )?}}@vf1_1, i8* bitcast ([1 x i8*]* {{(nonnull )?}}@vt1_2 to i8*), i32 (i8*, i32)* {{(nonnull )?}}@vf1_2, ...) 153 154 declare i1 @llvm.type.test(i8*, metadata) 155 declare void @llvm.assume(i1) 156 157 !0 = !{i32 0, !"typeid1"} 158 !1 = !{i32 0, !"typeid2"} 159 !2 = !{i32 0, !"typeid3"} 160 !3 = !{i32 0, !4} 161 !4 = distinct !{} 162 163 attributes #0 = { "target-features"="+retpoline" } 164
