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1; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s2 3target datalayout = "e-p:64:64"4target triple = "x86_64-unknown-linux-gnu"5 6@vt1 = constant [1 x ptr] [ptr @vf], !type !07@vt2 = constant [1 x ptr] [ptr @vf], !type !08 9define void @vf(ptr %this) {10 ret void11}12 13; CHECK: define void @call14define void @call(ptr %obj) {15 %vtable = load ptr, ptr %obj16 %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 %vtable21 ; CHECK: call void @vf(22 call void %fptr(ptr %obj)23 ret void24}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 !131 32; CHECK: define void @call233define void @call2(ptr %obj) {34 %vtable = load ptr, ptr %obj35 %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 void43}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