| ; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [8 x i8], [3 x i8*], [0 x i8] } { [8 x i8] c"\00\00\00\01\00\00\00\02", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf1i32 to i8*)], [0 x i8] zeroinitializer }, section "vt1sec", !type [[T8:![0-9]+]] |
| @vt1 = constant [3 x i8*] [ |
| i8* bitcast (i1 (i8*)* @vf0i1 to i8*), |
| i8* bitcast (i1 (i8*)* @vf1i1 to i8*), |
| i8* bitcast (i32 (i8*)* @vf1i32 to i8*) |
| ], section "vt1sec", !type !0 |
| |
| ; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [8 x i8], [3 x i8*], [0 x i8] } { [8 x i8] c"\00\00\00\02\00\00\00\01", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf2i32 to i8*)], [0 x i8] zeroinitializer }, !type [[T8]] |
| @vt2 = constant [3 x i8*] [ |
| i8* bitcast (i1 (i8*)* @vf1i1 to i8*), |
| i8* bitcast (i1 (i8*)* @vf0i1 to i8*), |
| i8* bitcast (i32 (i8*)* @vf2i32 to i8*) |
| ], !type !0 |
| |
| ; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [5 x i8], [3 x i8*], [0 x i8] } { [5 x i8] c"\03\00\00\00\02", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf3i32 to i8*)], [0 x i8] zeroinitializer }, align 1, !type [[T5:![0-9]+]] |
| @vt3 = constant [3 x i8*] [ |
| i8* bitcast (i1 (i8*)* @vf0i1 to i8*), |
| i8* bitcast (i1 (i8*)* @vf1i1 to i8*), |
| i8* bitcast (i32 (i8*)* @vf3i32 to i8*) |
| ], align 1, !type !0 |
| |
| ; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [16 x i8], [3 x i8*], [0 x i8] } { [16 x i8] c"\00\00\00\00\00\00\00\00\00\00\00\04\00\00\00\01", [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf4i32 to i8*)], [0 x i8] zeroinitializer }, align 16, !type [[T16:![0-9]+]] |
| @vt4 = constant [3 x i8*] [ |
| i8* bitcast (i1 (i8*)* @vf1i1 to i8*), |
| i8* bitcast (i1 (i8*)* @vf0i1 to i8*), |
| i8* bitcast (i32 (i8*)* @vf4i32 to i8*) |
| ], align 16, !type !0 |
| |
| ; CHECK: @vt5 = {{.*}}, !type [[T0:![0-9]+]] |
| @vt5 = constant [3 x i8*] [ |
| i8* bitcast (void ()* @__cxa_pure_virtual to i8*), |
| i8* bitcast (void ()* @__cxa_pure_virtual to i8*), |
| i8* bitcast (void ()* @__cxa_pure_virtual to i8*) |
| ], !type !0 |
| |
| ; CHECK: @vt1 = alias [3 x i8*], getelementptr inbounds ({ [8 x i8], [3 x i8*], [0 x i8] }, { [8 x i8], [3 x i8*], [0 x i8] }* [[VT1DATA]], i32 0, i32 1) |
| ; CHECK: @vt2 = alias [3 x i8*], getelementptr inbounds ({ [8 x i8], [3 x i8*], [0 x i8] }, { [8 x i8], [3 x i8*], [0 x i8] }* [[VT2DATA]], i32 0, i32 1) |
| ; CHECK: @vt3 = alias [3 x i8*], getelementptr inbounds ({ [5 x i8], [3 x i8*], [0 x i8] }, { [5 x i8], [3 x i8*], [0 x i8] }* [[VT3DATA]], i32 0, i32 1) |
| ; CHECK: @vt4 = alias [3 x i8*], getelementptr inbounds ({ [16 x i8], [3 x i8*], [0 x i8] }, { [16 x i8], [3 x i8*], [0 x i8] }* [[VT4DATA]], i32 0, i32 1) |
| |
| define i1 @vf0i1(i8* %this) readnone { |
| ret i1 0 |
| } |
| |
| define i1 @vf1i1(i8* %this) readnone { |
| ret i1 1 |
| } |
| |
| define i32 @vf1i32(i8* %this) readnone { |
| ret i32 1 |
| } |
| |
| define i32 @vf2i32(i8* %this) readnone { |
| ret i32 2 |
| } |
| |
| define i32 @vf3i32(i8* %this) readnone { |
| ret i32 3 |
| } |
| |
| define i32 @vf4i32(i8* %this) readnone { |
| ret i32 4 |
| } |
| |
| ; CHECK: define i1 @call1( |
| define i1 @call1(i8* %obj) { |
| %vtableptr = bitcast i8* %obj to [3 x i8*]** |
| %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr |
| ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8* |
| ; CHECK: [[VT1:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8* |
| %vtablei8 = bitcast [3 x i8*]* %vtable to i8* |
| %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0 |
| %fptr = load i8*, i8** %fptrptr |
| %fptr_casted = bitcast i8* %fptr to i1 (i8*)* |
| ; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, i8* [[VT1]], i32 -1 |
| ; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, i8* [[VTGEP1]] |
| ; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 1 |
| ; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0 |
| %result = call i1 %fptr_casted(i8* %obj) |
| ; CHECK: ret i1 [[VTCMP1]] |
| ret i1 %result |
| } |
| |
| ; CHECK: define i1 @call2( |
| define i1 @call2(i8* %obj) { |
| %vtableptr = bitcast i8* %obj to [3 x i8*]** |
| %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr |
| ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8* |
| ; CHECK: [[VT2:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8* |
| %vtablei8 = bitcast [3 x i8*]* %vtable to i8* |
| %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 1 |
| %fptr = load i8*, i8** %fptrptr |
| %fptr_casted = bitcast i8* %fptr to i1 (i8*)* |
| ; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, i8* [[VT2]], i32 -1 |
| ; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, i8* [[VTGEP2]] |
| ; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 2 |
| ; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0 |
| %result = call i1 %fptr_casted(i8* %obj) |
| ; CHECK: ret i1 [[VTCMP2]] |
| ret i1 %result |
| } |
| |
| ; CHECK: define i32 @call3( |
| define i32 @call3(i8* %obj) { |
| %vtableptr = bitcast i8* %obj to [3 x i8*]** |
| %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr |
| ; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8* |
| ; CHECK: [[VT3:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8* |
| %vtablei8 = bitcast [3 x i8*]* %vtable to i8* |
| %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptrptr = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 2 |
| %fptr = load i8*, i8** %fptrptr |
| %fptr_casted = bitcast i8* %fptr to i32 (i8*)* |
| ; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, i8* [[VT3]], i32 -5 |
| ; CHECK: [[VTBC3:%[^ ]*]] = bitcast i8* [[VTGEP3]] to i32* |
| ; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, i32* [[VTBC3]] |
| %result = call i32 %fptr_casted(i8* %obj) |
| ; CHECK: ret i32 [[VTLOAD3]] |
| ret i32 %result |
| } |
| |
| declare i1 @llvm.type.test(i8*, metadata) |
| declare void @llvm.assume(i1) |
| declare void @__cxa_pure_virtual() |
| |
| ; CHECK: [[T8]] = !{i32 8, !"typeid"} |
| ; CHECK: [[T5]] = !{i32 5, !"typeid"} |
| ; CHECK: [[T16]] = !{i32 16, !"typeid"} |
| ; CHECK: [[T0]] = !{i32 0, !"typeid"} |
| |
| !0 = !{i32 0, !"typeid"} |