1; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s 2 3target datalayout = "e-p:64:64" 4target triple = "x86_64-unknown-linux-gnu" 5 6; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf1i32], [5 x i8] c"\02\01\00\00\00" }, !type [[T8:![0-9]+]] 7@vt1 = constant [4 x ptr] [ 8ptr null, 9ptr @vf0i1, 10ptr @vf1i1, 11ptr @vf1i32 12], !type !1 13 14; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf2i32], [5 x i8] c"\01\02\00\00\00" }, !type [[T0:![0-9]+]] 15@vt2 = constant [3 x ptr] [ 16ptr @vf1i1, 17ptr @vf0i1, 18ptr @vf2i32 19], !type !0 20 21; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf3i32], [5 x i8] c"\02\03\00\00\00" }, !type [[T8]] 22@vt3 = constant [4 x ptr] [ 23ptr null, 24ptr @vf0i1, 25ptr @vf1i1, 26ptr @vf3i32 27], !type !1 28 29; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [5 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf4i32], [5 x i8] c"\01\04\00\00\00" }, !type [[T0]] 30@vt4 = constant [3 x ptr] [ 31ptr @vf1i1, 32ptr @vf0i1, 33ptr @vf4i32 34], !type !0 35 36; CHECK: @vt1 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT1DATA]], i32 0, i32 1) 37; CHECK: @vt2 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT2DATA]], i32 0, i32 1) 38; CHECK: @vt3 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT3DATA]], i32 0, i32 1) 39; CHECK: @vt4 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT4DATA]], i32 0, i32 1) 40 41define i1 @vf0i1(ptr %this) readnone { 42 ret i1 0 43} 44 45define i1 @vf1i1(ptr %this) readnone { 46 ret i1 1 47} 48 49define i32 @vf1i32(ptr %this) readnone { 50 ret i32 1 51} 52 53define i32 @vf2i32(ptr %this) readnone { 54 ret i32 2 55} 56 57define i32 @vf3i32(ptr %this) readnone { 58 ret i32 3 59} 60 61define i32 @vf4i32(ptr %this) readnone { 62 ret i32 4 63} 64 65; CHECK: define i1 @call1( 66define i1 @call1(ptr %obj) { 67 %vtable = load ptr, ptr %obj 68 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 69 call void @llvm.assume(i1 %p) 70 %fptr = load ptr, ptr %vtable 71 ; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24 72 ; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, ptr [[VTGEP1]] 73 ; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 1 74 ; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0 75 %result = call i1 %fptr(ptr %obj) 76 ; CHECK: ret i1 [[VTCMP1]] 77 ret i1 %result 78} 79 80; CHECK: define i1 @call2( 81define i1 @call2(ptr %obj) { 82 %vtable = load ptr, ptr %obj 83 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 84 call void @llvm.assume(i1 %p) 85 %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 1 86 %fptr = load ptr, ptr %fptrptr 87 ; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24 88 ; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, ptr [[VTGEP2]] 89 ; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 2 90 ; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0 91 %result = call i1 %fptr(ptr %obj) 92 ; CHECK: ret i1 [[VTCMP2]] 93 ret i1 %result 94} 95 96; CHECK: define i32 @call3( 97define i32 @call3(ptr %obj) { 98 %vtable = load ptr, ptr %obj 99 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 100 call void @llvm.assume(i1 %p) 101 %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 2 102 %fptr = load ptr, ptr %fptrptr 103 ; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 25 104 ; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, ptr [[VTGEP3]] 105 %result = call i32 %fptr(ptr %obj) 106 ; CHECK: ret i32 [[VTLOAD3]] 107 ret i32 %result 108} 109 110declare i1 @llvm.type.test(ptr, metadata) 111declare void @llvm.assume(i1) 112 113; CHECK: [[T8]] = !{i32 8, !"typeid"} 114; CHECK: [[T0]] = !{i32 0, !"typeid"} 115 116!0 = !{i32 0, !"typeid"} 117!1 = !{i32 8, !"typeid"} 118