| ; 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 |
| @vt3 = constant [1 x ptr] [ptr @vf3], !type !1 |
| @vt4 = constant [1 x ptr] [ptr @vf4], !type !1 |
| |
| define i64 @vf1(ptr %this, i128 %arg) readnone { |
| %argtrunc = trunc i128 %arg to i64 |
| ret i64 %argtrunc |
| } |
| |
| define i64 @vf2(ptr %this, i128 %arg) readnone { |
| %argtrunc = trunc i128 %arg to i64 |
| ret i64 %argtrunc |
| } |
| |
| define i128 @vf3(ptr %this, i64 %arg) readnone { |
| %argzext = zext i64 %arg to i128 |
| ret i128 %argzext |
| } |
| |
| define i128 @vf4(ptr %this, i64 %arg) readnone { |
| %argzext = zext i64 %arg to i128 |
| ret i128 %argzext |
| } |
| |
| ; CHECK: define i64 @call1 |
| define i64 @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 i64 % |
| %result = call i64 %fptr(ptr %obj, i128 1) |
| ret i64 %result |
| } |
| |
| ; CHECK: define i128 @call2 |
| define i128 @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 i128 % |
| %result = call i128 %fptr(ptr %obj, i64 1) |
| ret i128 %result |
| } |
| |
| declare i1 @llvm.type.test(ptr, metadata) |
| declare void @llvm.assume(i1) |
| |
| !0 = !{i32 0, !"typeid1"} |
| !1 = !{i32 0, !"typeid2"} |