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 @vf1], !type !0 7@vt2 = constant [1 x ptr] [ptr @vf2], !type !0 8@vt3 = constant [1 x ptr] [ptr @vf3], !type !1 9@vt4 = constant [1 x ptr] [ptr @vf4], !type !1 10 11define i64 @vf1(ptr %this, i128 %arg) readnone { 12 %argtrunc = trunc i128 %arg to i64 13 ret i64 %argtrunc 14} 15 16define i64 @vf2(ptr %this, i128 %arg) readnone { 17 %argtrunc = trunc i128 %arg to i64 18 ret i64 %argtrunc 19} 20 21define i128 @vf3(ptr %this, i64 %arg) readnone { 22 %argzext = zext i64 %arg to i128 23 ret i128 %argzext 24} 25 26define i128 @vf4(ptr %this, i64 %arg) readnone { 27 %argzext = zext i64 %arg to i128 28 ret i128 %argzext 29} 30 31; CHECK: define i64 @call1 32define i64 @call1(ptr %obj) { 33 %vtable = load ptr, ptr %obj 34 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid1") 35 call void @llvm.assume(i1 %p) 36 %fptr = load ptr, ptr %vtable 37 ; CHECK: call i64 % 38 %result = call i64 %fptr(ptr %obj, i128 1) 39 ret i64 %result 40} 41 42; CHECK: define i128 @call2 43define i128 @call2(ptr %obj) { 44 %vtable = load ptr, ptr %obj 45 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2") 46 call void @llvm.assume(i1 %p) 47 %fptr = load ptr, ptr %vtable 48 ; CHECK: call i128 % 49 %result = call i128 %fptr(ptr %obj, i64 1) 50 ret i128 %result 51} 52 53declare i1 @llvm.type.test(ptr, metadata) 54declare void @llvm.assume(i1) 55 56!0 = !{i32 0, !"typeid1"} 57!1 = !{i32 0, !"typeid2"} 58