1 ; RUN: opt -wholeprogramdevirt -wholeprogramdevirt-summary-action=export -wholeprogramdevirt-read-summary=%S/Inputs/export.yaml -wholeprogramdevirt-write-summary=%t -wholeprogramdevirt-branch-funnel-threshold=1 -S -o - %s | not grep @llvm.icall.branch.funnel | count 0 2 3 ; RUN: opt -wholeprogramdevirt -wholeprogramdevirt-summary-action=export -wholeprogramdevirt-read-summary=%S/Inputs/export.yaml -wholeprogramdevirt-write-summary=%t -wholeprogramdevirt-branch-funnel-threshold=10 -S -o - %s | grep @llvm.icall.branch.funnel | count 4 4 5 ; RUN: opt -wholeprogramdevirt -wholeprogramdevirt-summary-action=export -wholeprogramdevirt-read-summary=%S/Inputs/export.yaml -wholeprogramdevirt-write-summary=%t -wholeprogramdevirt-branch-funnel-threshold=100 -S -o - %s | grep @llvm.icall.branch.funnel | count 5 6 7 target datalayout = "e-p:64:64" 8 target triple = "x86_64-unknown-linux-gnu" 9 10 @vt1_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1_1 to i8*)], !type !0 11 @vt1_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1_2 to i8*)], !type !0 12 13 declare i32 @vf1_1(i8* %this, i32 %arg) 14 declare i32 @vf1_2(i8* %this, i32 %arg) 15 16 @vt2_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_1 to i8*)], !type !1 17 @vt2_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_2 to i8*)], !type !1 18 @vt2_3 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_3 to i8*)], !type !1 19 @vt2_4 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_4 to i8*)], !type !1 20 @vt2_5 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_5 to i8*)], !type !1 21 @vt2_6 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_6 to i8*)], !type !1 22 @vt2_7 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_7 to i8*)], !type !1 23 @vt2_8 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_8 to i8*)], !type !1 24 @vt2_9 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_9 to i8*)], !type !1 25 @vt2_10 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_10 to i8*)], !type !1 26 @vt2_11 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2_11 to i8*)], !type !1 27 28 declare i32 @vf2_1(i8* %this, i32 %arg) 29 declare i32 @vf2_2(i8* %this, i32 %arg) 30 declare i32 @vf2_3(i8* %this, i32 %arg) 31 declare i32 @vf2_4(i8* %this, i32 %arg) 32 declare i32 @vf2_5(i8* %this, i32 %arg) 33 declare i32 @vf2_6(i8* %this, i32 %arg) 34 declare i32 @vf2_7(i8* %this, i32 %arg) 35 declare i32 @vf2_8(i8* %this, i32 %arg) 36 declare i32 @vf2_9(i8* %this, i32 %arg) 37 declare i32 @vf2_10(i8* %this, i32 %arg) 38 declare i32 @vf2_11(i8* %this, i32 %arg) 39 40 @vt3_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf3_1 to i8*)], !type !2 41 @vt3_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf3_2 to i8*)], !type !2 42 43 declare i32 @vf3_1(i8* %this, i32 %arg) 44 declare i32 @vf3_2(i8* %this, i32 %arg) 45 46 @vt4_1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf4_1 to i8*)], !type !3 47 @vt4_2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf4_2 to i8*)], !type !3 48 49 declare i32 @vf4_1(i8* %this, i32 %arg) 50 declare i32 @vf4_2(i8* %this, i32 %arg) 51 52 define i32 @fn1(i8* %obj) #0 { 53 %vtableptr = bitcast i8* %obj to [1 x i8*]** 54 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 55 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 56 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid1") 57 call void @llvm.assume(i1 %p) 58 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 59 %fptr = load i8*, i8** %fptrptr 60 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 61 %result = call i32 %fptr_casted(i8* %obj, i32 1) 62 ret i32 %result 63 } 64 65 define i32 @fn2(i8* %obj) #0 { 66 %vtableptr = bitcast i8* %obj to [1 x i8*]** 67 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 68 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 69 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid2") 70 call void @llvm.assume(i1 %p) 71 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 72 %fptr = load i8*, i8** %fptrptr 73 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 74 %result = call i32 %fptr_casted(i8* %obj, i32 1) 75 ret i32 %result 76 } 77 78 define i32 @fn3(i8* %obj) #0 { 79 %vtableptr = bitcast i8* %obj to [1 x i8*]** 80 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 81 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 82 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !4) 83 call void @llvm.assume(i1 %p) 84 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 85 %fptr = load i8*, i8** %fptrptr 86 %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* 87 %result = call i32 %fptr_casted(i8* %obj, i32 1) 88 ret i32 %result 89 } 90 91 declare i1 @llvm.type.test(i8*, metadata) 92 declare void @llvm.assume(i1) 93 94 !0 = !{i32 0, !"typeid1"} 95 !1 = !{i32 0, !"typeid2"} 96 !2 = !{i32 0, !"typeid3"} 97 !3 = !{i32 0, !4} 98 !4 = distinct !{} 99 100 attributes #0 = { "target-features"="+retpoline" } 101
