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MIR: Stack object without alignment causes div by 0 in estimateStackSize #35807

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francisvm opened this issue Feb 20, 2018 · 1 comment
Open

MIR: Stack object without alignment causes div by 0 in estimateStackSize #35807

francisvm opened this issue Feb 20, 2018 · 1 comment
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backend:AArch64 bugzilla Issues migrated from bugzilla

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@francisvm
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Bugzilla Link 36459
Version trunk
OS All
Attachments mir-crash
CC @francisvm

Extended Description

The parser accepts it as the alignment is not mandatory.

We should come up with some default alignment or something similar.

AArch64FrameLowering::determineCalleeSaves
MachineFrameInfo::estimateStackSize
-> 153 Offset = (Offset+Align-1)/Align*Align;
@francisvm
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https://reviews.llvm.org/D53490

@llvmbot llvmbot transferred this issue from llvm/llvm-bugzilla-archive Dec 10, 2021
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