| ; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s | |
| target datalayout = "e-p:64:64" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| @vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf1 to i8*)], !type !0 | |
| @vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*, i32)* @vf2 to i8*)], !type !0 | |
| declare i32 @vf1(i8* %this, i32 %arg) readnone | |
| define i32 @vf2(i8* %this, i32 %arg) readnone { | |
| ret i32 %arg | |
| } | |
| ; CHECK: define i32 @fn | |
| define i32 @fn(i8* %obj) { | |
| %vtableptr = bitcast i8* %obj to [1 x i8*]** | |
| %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr | |
| %vtablei8 = bitcast [1 x i8*]* %vtable to i8* | |
| %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") | |
| call void @llvm.assume(i1 %p) | |
| %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 | |
| %fptr = load i8*, i8** %fptrptr | |
| %fptr_casted = bitcast i8* %fptr to i32 (i8*, i32)* | |
| ; CHECK: call i32 % | |
| %result = call i32 %fptr_casted(i8* %obj, i32 1) | |
| ret i32 %result | |
| } | |
| declare i1 @llvm.type.test(i8*, metadata) | |
| declare void @llvm.assume(i1) | |
| !0 = !{i32 0, !"typeid"} |