| ; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| %vtTy = type { [2 x ptr], [2 x ptr] } |
| |
| @vt = constant %vtTy { [2 x ptr] [ptr null, ptr @vf1], [2 x ptr] [ptr null, ptr @vf2] }, !type !0, !type !1 |
| |
| define void @vf1(ptr %this) { |
| ret void |
| } |
| |
| define void @vf2(ptr %this) { |
| ret void |
| } |
| |
| ; CHECK: define void @call1 |
| define void @call1(ptr %obj) { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid1") |
| call void @llvm.assume(i1 %p) |
| %fptr = load ptr, ptr %vtable |
| ; CHECK: call void @vf1( |
| call void %fptr(ptr %obj) |
| ret void |
| } |
| |
| ; CHECK: define void @call2 |
| define void @call2(ptr %obj) { |
| %vtable = load ptr, ptr %obj |
| %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2") |
| call void @llvm.assume(i1 %p) |
| %fptr = load ptr, ptr %vtable |
| ; CHECK: call void @vf2( |
| call void %fptr(ptr %obj) |
| ret void |
| } |
| |
| declare i1 @llvm.type.test(ptr, metadata) |
| declare void @llvm.assume(i1) |
| |
| !0 = !{i32 8, !"typeid1"} |
| !1 = !{i32 24, !"typeid2"} |