llvm-project/llvm/test/Transforms/WholeProgramDevirt/import-indir.ll

110 lines
4.2 KiB
LLVM

; Test that we correctly import an indir resolution for type identifier "typeid1".
; RUN: opt -S -wholeprogramdevirt -wholeprogramdevirt-summary-action=import -wholeprogramdevirt-read-summary=%S/Inputs/import-indir.yaml -wholeprogramdevirt-write-summary=%t < %s | FileCheck %s
; RUN: FileCheck --check-prefix=SUMMARY %s < %t
; SUMMARY: GlobalValueMap:
; SUMMARY-NEXT: 42:
; SUMMARY-NEXT: - Linkage: 0
; SUMMARY-NEXT: NotEligibleToImport: false
; SUMMARY-NEXT: Live: true
; SUMMARY-NEXT: Local: false
; SUMMARY-NEXT: CanAutoHide: false
; SUMMARY-NEXT: TypeTestAssumeVCalls:
; SUMMARY-NEXT: - GUID: 123
; SUMMARY-NEXT: Offset: 0
; SUMMARY-NEXT: - GUID: 456
; SUMMARY-NEXT: Offset: 4
; SUMMARY-NEXT: TypeCheckedLoadVCalls:
; SUMMARY-NEXT: - GUID: 789
; SUMMARY-NEXT: Offset: 8
; SUMMARY-NEXT: - GUID: 1234
; SUMMARY-NEXT: Offset: 16
; SUMMARY-NEXT: TypeTestAssumeConstVCalls:
; SUMMARY-NEXT: - VFunc:
; SUMMARY-NEXT: GUID: 123
; SUMMARY-NEXT: Offset: 4
; SUMMARY-NEXT: Args: [ 12, 24 ]
; SUMMARY-NEXT: TypeCheckedLoadConstVCalls:
; SUMMARY-NEXT: - VFunc:
; SUMMARY-NEXT: GUID: 456
; SUMMARY-NEXT: Offset: 8
; SUMMARY-NEXT: Args: [ 24, 12 ]
; SUMMARY-NEXT: TypeIdMap:
; SUMMARY-NEXT: typeid1:
; SUMMARY-NEXT: TTRes:
; SUMMARY-NEXT: Kind: Unsat
; SUMMARY-NEXT: SizeM1BitWidth: 0
; SUMMARY-NEXT: AlignLog2: 0
; SUMMARY-NEXT: SizeM1: 0
; SUMMARY-NEXT: BitMask: 0
; SUMMARY-NEXT: InlineBits: 0
; SUMMARY-NEXT: WPDRes:
; SUMMARY-NEXT: 0:
; SUMMARY-NEXT: Kind: Indir
; SUMMARY-NEXT: SingleImplName: ''
; SUMMARY-NEXT: ResByArg:
; SUMMARY-NEXT: 4:
; SUMMARY-NEXT: Kind: Indir
; SUMMARY-NEXT: SingleImplName: ''
; SUMMARY-NEXT: ResByArg:
; SUMMARY-NEXT: :
; SUMMARY-NEXT: Kind: UniformRetVal
; SUMMARY-NEXT: Info: 12
; SUMMARY-NEXT: Byte: 0
; SUMMARY-NEXT: Bit: 0
; SUMMARY-NEXT: 12:
; SUMMARY-NEXT: Kind: UniformRetVal
; SUMMARY-NEXT: Info: 24
; SUMMARY-NEXT: Byte: 0
; SUMMARY-NEXT: Bit: 0
; SUMMARY-NEXT: 12,24:
; SUMMARY-NEXT: Kind: UniformRetVal
; SUMMARY-NEXT: Info: 48
; SUMMARY-NEXT: Byte: 0
; SUMMARY-NEXT: Bit: 0
target datalayout = "e-p:32:32"
declare void @llvm.assume(i1)
declare void @llvm.trap()
declare {i8*, i1} @llvm.type.checked.load(i8*, i32, metadata)
declare i1 @llvm.type.test(i8*, metadata)
; CHECK: define i1 @f1
define i1 @f1(i8* %obj) {
%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 !"typeid1")
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 i1 (i8*, i32)*
; CHECK: call i1 %
%result = call i1 %fptr_casted(i8* %obj, i32 5)
ret i1 %result
}
; CHECK: define i1 @f2
define i1 @f2(i8* %obj) {
%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*
%pair = call {i8*, i1} @llvm.type.checked.load(i8* %vtablei8, i32 4, metadata !"typeid1")
%fptr = extractvalue {i8*, i1} %pair, 0
%p = extractvalue {i8*, i1} %pair, 1
; CHECK: [[P:%.*]] = call i1 @llvm.type.test
; CHECK: br i1 [[P]]
br i1 %p, label %cont, label %trap
cont:
%fptr_casted = bitcast i8* %fptr to i1 (i8*, i32)*
; CHECK: call i1 %
%result = call i1 %fptr_casted(i8* %obj, i32 undef)
ret i1 %result
trap:
call void @llvm.trap()
unreachable
}