| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 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 | |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 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 |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 10 | |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 11 | define i64 @vf1(i8* %this, i128 %arg) readnone { |
| 12 | %argtrunc = trunc i128 %arg to i64 |
| 13 | ret i64 %argtrunc |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 14 | } |
| 15 | |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 16 | define i64 @vf2(i8* %this, i128 %arg) readnone { |
| 17 | %argtrunc = trunc i128 %arg to i64 |
| 18 | ret i64 %argtrunc |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 19 | } |
| 20 | |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 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) { |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 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* |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 36 | %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid1") |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 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 |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 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)* |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 56 | ; CHECK: call i128 % |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 57 | %result = call i128 %fptr_casted(i8* %obj, i64 1) |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 58 | ret i128 %result |
| 59 | } |
| 60 | |
| Peter Collingbourne | 7efd750 | 2016-06-24 21:21:32 +0000 | [diff] [blame] | 61 | declare i1 @llvm.type.test(i8*, metadata) |
| Peter Collingbourne | df49d1b | 2016-02-09 22:50:34 +0000 | [diff] [blame] | 62 | declare void @llvm.assume(i1) |
| 63 | |
| Peter Collingbourne | 50cbd7c | 2017-02-15 21:56:51 +0000 | [diff] [blame] | 64 | !0 = !{i32 0, !"typeid1"} |
| 65 | !1 = !{i32 0, !"typeid2"} |