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| author | Bill Wendling <isanbard@gmail.com> | 2008-11-30 03:42:12 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2008-11-30 03:42:12 +0000 |
| commit | 70635adea36679b98bbc87f196548ed42a244a29 (patch) | |
| tree | fe7af1cafc273d136789464171d779f9a5062fe3 /llvm/lib/CodeGen/TargetInstrInfoImpl.cpp | |
| parent | 441042796d90a9319804efa16586a84786801525 (diff) | |
| download | bcm5719-llvm-70635adea36679b98bbc87f196548ed42a244a29.tar.gz bcm5719-llvm-70635adea36679b98bbc87f196548ed42a244a29.zip | |
Instcombine was illegally transforming -X/C into X/-C when either X or C
overflowed on negation. This commit checks to make sure that neithe C nor X
overflows. This requires that the RHS of X (a subtract instruction) be a
constant integer.
llvm-svn: 60275
Diffstat (limited to 'llvm/lib/CodeGen/TargetInstrInfoImpl.cpp')
0 files changed, 0 insertions, 0 deletions
