| ; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s | |
| target datalayout = "e-p:64:64" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| @vt2 = constant [3 x ptr] [ | |
| ptr @vf1i1, | |
| ptr @vf0i1, | |
| ptr @vf2i32 | |
| ], !type !0 | |
| define i1 @vf0i1(ptr %this) readnone { | |
| ret i1 0 | |
| } | |
| define i1 @vf1i1(ptr %this) readnone { | |
| ret i1 1 | |
| } | |
| define i32 @vf2i32(ptr %this) readnone { | |
| ret i32 2 | |
| } | |
| ; 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) | |
| %p2 = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") | |
| call void @llvm.assume(i1 %p2) | |
| %fptr = load ptr, ptr %vtable | |
| %result = call i1 %fptr(ptr %obj) | |
| ret i1 %result | |
| } | |
| declare i1 @llvm.type.test(ptr, metadata) | |
| declare void @llvm.assume(i1) | |
| !0 = !{i32 0, !"typeid"} |