| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-vcp.yaml < %s | FileCheck %s |
| 2 | |
| 3 | target datalayout = "e-p:64:64" |
| 4 | target triple = "x86_64-unknown-linux-gnu" |
| 5 | |
| 6 | define i32 @call1(i1 %a, i8* %obj) { |
| 7 | %vtableptr = bitcast i8* %obj to [3 x i8*]** |
| 8 | %vtable = load [3 x i8*]*, [3 x i8*]** %vtableptr |
| 9 | br i1 %a, label %bb1, label %bb2 |
| 10 | |
| 11 | bb1: |
| 12 | ; CHECK: {{.*}} = bitcast {{.*}} to i8* |
| 13 | %vtablei8_1 = bitcast [3 x i8*]* %vtable to i8* |
| 14 | %p1 = call i1 @llvm.type.test(i8* %vtablei8_1, metadata !"typeid1") |
| 15 | call void @llvm.assume(i1 %p1) |
| 16 | %fptrptr1 = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0 |
| 17 | %fptr1 = load i8*, i8** %fptrptr1 |
| 18 | %fptr1_casted = bitcast i8* %fptr1 to i32 (i8*, i32)* |
| 19 | ; CHECK: {{.*}} = bitcast {{.*}} to i8* |
| 20 | %result1 = call i32 %fptr1_casted(i8* %obj, i32 1) |
| 21 | br label %bb2 |
| 22 | |
| 23 | ; CHECK: : |
| 24 | bb2: |
| 25 | %vtablei8_2 = bitcast [3 x i8*]* %vtable to i8* |
| 26 | %p = call i1 @llvm.type.test(i8* %vtablei8_2, metadata !"typeid1") |
| 27 | call void @llvm.assume(i1 %p) |
| 28 | %fptrptr2 = getelementptr [3 x i8*], [3 x i8*]* %vtable, i32 0, i32 0 |
| 29 | %fptr2 = load i8*, i8** %fptrptr2 |
| 30 | %fptr2_casted = bitcast i8* %fptr2 to i32 (i8*, i32)* |
| 31 | ; CHECK: {{.*}} = bitcast {{.*}} to i8* |
| 32 | %result2 = call i32 %fptr2_casted(i8* %obj, i32 1) |
| 33 | ret i32 %result2 |
| 34 | } |
| 35 | |
| 36 | declare void @llvm.assume(i1) |
| 37 | declare i1 @llvm.type.test(i8*, metadata) |