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 51target datalayout = "e-p:64:64" 52target 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 57declare i32 @vf1_1(i8* %this, i32 %arg) 58declare 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 72declare i32 @vf2_1(i8* %this, i32 %arg) 73declare i32 @vf2_2(i8* %this, i32 %arg) 74declare i32 @vf2_3(i8* %this, i32 %arg) 75declare i32 @vf2_4(i8* %this, i32 %arg) 76declare i32 @vf2_5(i8* %this, i32 %arg) 77declare i32 @vf2_6(i8* %this, i32 %arg) 78declare i32 @vf2_7(i8* %this, i32 %arg) 79declare i32 @vf2_8(i8* %this, i32 %arg) 80declare i32 @vf2_9(i8* %this, i32 %arg) 81declare i32 @vf2_10(i8* %this, i32 %arg) 82declare 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 87declare i32 @vf3_1(i8* %this, i32 %arg) 88declare 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 93declare i32 @vf4_1(i8* %this, i32 %arg) 94declare 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 100define 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 119define 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 135define 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 154declare i1 @llvm.type.test(i8*, metadata) 155declare 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 163attributes #0 = { "target-features"="+retpoline" } 164