| ; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @vt1 = constant [1 x ptr] [ptr @vf1], !type !0 |
| @vt2 = constant [1 x ptr] [ptr @vf2], !type !0 |
| |
| define i32 @vf1() readnone { |
| ret i32 1 |
| } |
| |
| define i32 @vf2() readnone { |
| ret i32 2 |
| } |
| |
| ; CHECK: define i32 @call |
| define i32 @call(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: call i32 % |
| %result = call i32 %fptr() |
| ret i32 %result |
| } |
| |
| declare i1 @llvm.type.test(ptr, metadata) |
| declare void @llvm.assume(i1) |
| |
| !0 = !{i32 0, !"typeid"} |
