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| author | Craig Topper <craig.topper@intel.com> | 2017-08-22 05:40:17 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-08-22 05:40:17 +0000 |
| commit | b49f0893b24dae441f8ff309c782705e5e066bd1 (patch) | |
| tree | 0aa5ba04175daa9f23603038447f856cb8f2aa44 /llvm/lib/Analysis/ModuleSummaryAnalysis.cpp | |
| parent | 46f15d3788ed9040c58e358ae00b474e4d9853f4 (diff) | |
| download | llvm-b49f0893b24dae441f8ff309c782705e5e066bd1.zip llvm-b49f0893b24dae441f8ff309c782705e5e066bd1.tar.gz llvm-b49f0893b24dae441f8ff309c782705e5e066bd1.tar.bz2 | |
[X86] Prevent several calls to ISD::isConstantSplatVector from returning a narrower APInt than the original scalar type
ISD::isConstantSplatVector can shrink to the smallest splat width. But we don't check the size of the resulting APInt at all. This can cause us to misinterpret the results.
This patch just adds a flag to prevent the APInt from changing width.
Fixes PR34271.
Differential Revision: https://reviews.llvm.org/D36996
llvm-svn: 311429
Diffstat (limited to 'llvm/lib/Analysis/ModuleSummaryAnalysis.cpp')
0 files changed, 0 insertions, 0 deletions