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| author | David Majnemer <david.majnemer@gmail.com> | 2015-05-15 20:08:27 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2015-05-15 20:08:27 +0000 |
| commit | 596c8d76fc95e8c1bdbd124725c227abb280eb38 (patch) | |
| tree | 2f9089a326d6a844e79f8958d6a14bad0ba22829 /llvm/lib | |
| parent | 42413141641e26462a0d0c95f62b09fea5df78e9 (diff) | |
| download | bcm5719-llvm-596c8d76fc95e8c1bdbd124725c227abb280eb38.tar.gz bcm5719-llvm-596c8d76fc95e8c1bdbd124725c227abb280eb38.zip | |
[X86] Use a better sentinel offset for the FrameAddr index
Other pieces of CodeGen want to negate frame object offsets to account
for architectures where the stack grows down. Our object is a pseudo
object so it's offset doesn't matter. However, we shouldn't choose an
offset which results in undefined behavior if you negate it.
llvm-svn: 237474
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 2b5c60019e3..5ec719bbd8c 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -15637,7 +15637,7 @@ SDValue X86TargetLowering::LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const { // Set up a frame object for the return address. unsigned SlotSize = RegInfo->getSlotSize(); FrameAddrIndex = MF.getFrameInfo()->CreateFixedObject( - SlotSize, /*Offset=*/INT64_MIN, /*IsImmutable=*/false); + SlotSize, /*Offset=*/0, /*IsImmutable=*/false); FuncInfo->setFAIndex(FrameAddrIndex); } return DAG.getFrameIndex(FrameAddrIndex, VT); |
