1; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s 2 3target datalayout = "e-p:64:64" 4target triple = "x86_64-unknown-linux-gnu" 5 6@vt1 = constant [1 x ptr] [ptr @vf], !type !0 7@vt2 = constant [1 x ptr] [ptr @vf], !type !0 8 9define void @vf(ptr %this) { 10 ret void 11} 12 13; CHECK: define void @call 14define void @call(ptr %obj) { 15 %vtable = load ptr, ptr %obj 16 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 17 call void @llvm.assume(i1 %p) 18 %p2 = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 19 call void @llvm.assume(i1 %p2) 20 %fptr = load ptr, ptr %vtable 21 ; CHECK: call void @vf( 22 call void %fptr(ptr %obj) 23 ret void 24} 25 26declare ptr @llvm.load.relative.i32(ptr, i32) 27 28@vt3 = private unnamed_addr constant [1 x i32] [ 29 i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf to i64), i64 ptrtoint (ptr @vt3 to i64)) to i32) 30], align 4, !type !1 31 32; CHECK: define void @call2 33define void @call2(ptr %obj) { 34 %vtable = load ptr, ptr %obj 35 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2") 36 call void @llvm.assume(i1 %p) 37 %p2 = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2") 38 call void @llvm.assume(i1 %p2) 39 %fptr = call ptr @llvm.load.relative.i32(ptr %vtable, i32 0) 40 ; CHECK: call void @vf( 41 call void %fptr(ptr %obj) 42 ret void 43} 44 45declare i1 @llvm.type.test(ptr, metadata) 46declare void @llvm.assume(i1) 47 48!0 = !{i32 0, !"typeid"} 49!1 = !{i32 0, !"typeid2"} 50