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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-27 18:29:58 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-09-27 18:29:58 +0000 |
| commit | 465251a7ce52161adbcb6e80cb84f135dd440de9 (patch) | |
| tree | b233658fd9261a438afb9f88adb2b8c06b61af79 /lib/Target/Mips/MipsDSPInstrFormats.td | |
| parent | 593c0b08e651a34266825e41659004e7f932ffb9 (diff) | |
| download | llvm-465251a7ce52161adbcb6e80cb84f135dd440de9.tar.gz llvm-465251a7ce52161adbcb6e80cb84f135dd440de9.tar.bz2 llvm-465251a7ce52161adbcb6e80cb84f135dd440de9.tar.xz | |
Fix a integer overflow in SimplifyCFG's look up table formation logic.
If the width is very large it gets truncated from uint64_t to uint32_t when
passed to TD->fitsInLegalInteger. The truncated value can fit in a register.
This manifested in massive memory usage or crashes (PR13946).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164784 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsDSPInstrFormats.td')
0 files changed, 0 insertions, 0 deletions