1 ; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s 2 3 target datalayout = "e-p:64:64" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 @vt1 = constant [1 x i8*] [i8* bitcast (i64 (i8*, i128)* @vf1 to i8*)], !type !0 7 @vt2 = constant [1 x i8*] [i8* bitcast (i64 (i8*, i128)* @vf2 to i8*)], !type !0 8 @vt3 = constant [1 x i8*] [i8* bitcast (i128 (i8*, i64)* @vf3 to i8*)], !type !1 9 @vt4 = constant [1 x i8*] [i8* bitcast (i128 (i8*, i64)* @vf4 to i8*)], !type !1 10 11 define i64 @vf1(i8* %this, i128 %arg) readnone { 12 %argtrunc = trunc i128 %arg to i64 13 ret i64 %argtrunc 14 } 15 16 define i64 @vf2(i8* %this, i128 %arg) readnone { 17 %argtrunc = trunc i128 %arg to i64 18 ret i64 %argtrunc 19 } 20 21 define i128 @vf3(i8* %this, i64 %arg) readnone { 22 %argzext = zext i64 %arg to i128 23 ret i128 %argzext 24 } 25 26 define i128 @vf4(i8* %this, i64 %arg) readnone { 27 %argzext = zext i64 %arg to i128 28 ret i128 %argzext 29 } 30 31 ; CHECK: define i64 @call1 32 define i64 @call1(i8* %obj) { 33 %vtableptr = bitcast i8* %obj to [1 x i8*]** 34 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 35 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 36 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid1") 37 call void @llvm.assume(i1 %p) 38 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 39 %fptr = load i8*, i8** %fptrptr 40 %fptr_casted = bitcast i8* %fptr to i64 (i8*, i128)* 41 ; CHECK: call i64 % 42 %result = call i64 %fptr_casted(i8* %obj, i128 1) 43 ret i64 %result 44 } 45 46 ; CHECK: define i128 @call2 47 define i128 @call2(i8* %obj) { 48 %vtableptr = bitcast i8* %obj to [1 x i8*]** 49 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 50 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 51 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid2") 52 call void @llvm.assume(i1 %p) 53 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 54 %fptr = load i8*, i8** %fptrptr 55 %fptr_casted = bitcast i8* %fptr to i128 (i8*, i64)* 56 ; CHECK: call i128 % 57 %result = call i128 %fptr_casted(i8* %obj, i64 1) 58 ret i128 %result 59 } 60 61 declare i1 @llvm.type.test(i8*, metadata) 62 declare void @llvm.assume(i1) 63 64 !0 = !{i32 0, !"typeid1"} 65 !1 = !{i32 0, !"typeid2"} 66
