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XCore target: fix bug in aligning 'byval i8*' on the stack

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194466 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Robert Lytton 2013-11-12 10:11:35 +00:00
parent 092815ce4b
commit 47a4349eb6
2 changed files with 16 additions and 1 deletions
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2
lib/Target/XCore/XCoreISelLowering.cpp
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@ -1224,7 +1224,7 @@ XCoreTargetLowering::LowerCCCArguments(SDValue Chain,
ArgDI != ArgDE; ++ArgDI) { ArgDI != ArgDE; ++ArgDI) {
if (ArgDI->Flags.isByVal() && ArgDI->Flags.getByValSize()) { if (ArgDI->Flags.isByVal() && ArgDI->Flags.getByValSize()) {
unsigned Size = ArgDI->Flags.getByValSize(); unsigned Size = ArgDI->Flags.getByValSize();
unsigned Align = ArgDI->Flags.getByValAlign(); unsigned Align = std::max(StackSlotSize, ArgDI->Flags.getByValAlign());
// Create a new object on the stack and copy the pointee into it. // Create a new object on the stack and copy the pointee into it.
int FI = MFI->CreateStackObject(Size, Align, false, false); int FI = MFI->CreateStackObject(Size, Align, false, false);
SDValue FIN = DAG.getFrameIndex(FI, MVT::i32); SDValue FIN = DAG.getFrameIndex(FI, MVT::i32);

15
test/CodeGen/XCore/byVal.ll
View File

@ -56,3 +56,18 @@ entry:
call void @f2(i32 %i, %struct.st2* %s2) call void @f2(i32 %i, %struct.st2* %s2)
ret void ret void
} }
; CHECK-LABEL: f3Test
; CHECK: entsp 2
; CHECK: ldc r1, 0
; CHECK: ld8u r2, r0[r1]
; CHECK: ldaw r0, sp[1]
; CHECK: st8 r2, r0[r1]
; CHECK: bl f
; CHECK: retsp 2
declare void @f3(i8*) nounwind
define void @f3Test(i8* byval %v) nounwind {
entry:
call void @f3(i8* %v) nounwind
ret void
}