44 lines
1.2 KiB
LLVM
44 lines
1.2 KiB
LLVM
|
; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:64:64"
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
@vt1 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf1 to i8*)], !type !0
|
||
|
|
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf2 to i8*)], !type !0
|
||
|
|
|
||
|
|
define i32 @vf1(i8* %this) readnone {
|
||
|
|
ret i32 123
|
||
|
|
}
|
||
|
|
|
||
|
|
define i32 @vf2(i8* %this) readnone {
|
||
|
|
ret i32 123
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK: define i32 @call
|
||
|
|
define i32 @call(i8* %obj) personality i8* undef {
|
||
|
|
%vtableptr = bitcast i8* %obj to [1 x i8*]**
|
||
|
|
%vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
|
||
|
|
%vtablei8 = bitcast [1 x i8*]* %vtable to i8*
|
||
|
|
%p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid")
|
||
|
|
call void @llvm.assume(i1 %p)
|
||
|
|
%fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0
|
||
|
|
%fptr = load i8*, i8** %fptrptr
|
||
|
|
%fptr_casted = bitcast i8* %fptr to i32 (i8*)*
|
||
|
|
; CHECK: br label %[[RET:[0-9A-Za-z]*]]
|
||
|
|
%result = invoke i32 %fptr_casted(i8* %obj) to label %ret unwind label %unwind
|
||
|
|
|
||
|
|
unwind:
|
||
|
|
%x = landingpad i32 cleanup
|
||
|
|
unreachable
|
||
|
|
|
||
|
|
ret:
|
||
|
|
; CHECK: [[RET]]:
|
||
|
|
; CHECK-NEXT: ret i32 123
|
||
|
|
ret i32 %result
|
||
|
|
}
|
||
|
|
|
||
|
|
declare i1 @llvm.type.test(i8*, metadata)
|
||
|
|
declare void @llvm.assume(i1)
|
||
|
|
|
||
|
|
!0 = !{i32 0, !"typeid"}
|