| ; 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 { [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]+]] |
| @vt1 = constant [4 x ptr] [ |
| ptr null, |
| ptr @vf0i1, |
| ptr @vf1i1, |
| ptr @vf1i32 |
| ], !type !1 |
| |
| ; 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]+]] |
| @vt2 = constant [3 x ptr] [ |
| ptr @vf1i1, |
| ptr @vf0i1, |
| ptr @vf2i32 |
| ], !type !0 |
| |
| ; 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]] |
| @vt3 = constant [4 x ptr] [ |
| ptr null, |
| ptr @vf0i1, |
| ptr @vf1i1, |
| ptr @vf3i32 |
| ], !type !1 |
| |
| ; 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]] |
| @vt4 = constant [3 x ptr] [ |
| ptr @vf1i1, |
| ptr @vf0i1, |
| ptr @vf4i32 |
| ], !type !0 |
| |
| ; CHECK: @vt1 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT1DATA]], i32 0, i32 1) |
| ; CHECK: @vt2 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT2DATA]], i32 0, i32 1) |
| ; CHECK: @vt3 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [5 x i8] }, ptr [[VT3DATA]], i32 0, i32 1) |
| ; CHECK: @vt4 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [5 x i8] }, ptr [[VT4DATA]], i32 0, i32 1) |
| |
| define i1 @vf0i1(ptr %this) readnone { |
| ret i1 0 |
| } |
| |
| define i1 @vf1i1(ptr %this) readnone { |
| ret i1 1 |
| } |
| |
| define i32 @vf1i32(ptr %this) readnone { |
| ret i32 1 |
| } |
| |
| define i32 @vf2i32(ptr %this) readnone { |
| ret i32 2 |
| } |
| |
| define i32 @vf3i32(ptr %this) readnone { |
| ret i32 3 |
| } |
| |
| define i32 @vf4i32(ptr %this) readnone { |
| ret i32 4 |
| } |
| |
| ; CHECK: define i1 @call1( |
| define i1 @call1(ptr %obj) { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptr = load ptr, ptr %vtable |
| ; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24 |
| ; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, ptr [[VTGEP1]] |
| ; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 1 |
| ; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0 |
| %result = call i1 %fptr(ptr %obj) |
| ; CHECK: ret i1 [[VTCMP1]] |
| ret i1 %result |
| } |
| |
| ; CHECK: define i1 @call2( |
| define i1 @call2(ptr %obj) { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 1 |
| %fptr = load ptr, ptr %fptrptr |
| ; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24 |
| ; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, ptr [[VTGEP2]] |
| ; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 2 |
| ; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0 |
| %result = call i1 %fptr(ptr %obj) |
| ; CHECK: ret i1 [[VTCMP2]] |
| ret i1 %result |
| } |
| |
| ; CHECK: define i32 @call3( |
| define i32 @call3(ptr %obj) { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") |
| call void @llvm.assume(i1 %p) |
| %fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 2 |
| %fptr = load ptr, ptr %fptrptr |
| ; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 25 |
| ; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, ptr [[VTGEP3]] |
| %result = call i32 %fptr(ptr %obj) |
| ; CHECK: ret i32 [[VTLOAD3]] |
| ret i32 %result |
| } |
| |
| declare i1 @llvm.type.test(ptr, metadata) |
| declare void @llvm.assume(i1) |
| |
| ; CHECK: [[T8]] = !{i32 8, !"typeid"} |
| ; CHECK: [[T0]] = !{i32 0, !"typeid"} |
| |
| !0 = !{i32 0, !"typeid"} |
| !1 = !{i32 8, !"typeid"} |