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| author | David Majnemer <david.majnemer@gmail.com> | 2014-05-14 20:16:28 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-05-14 20:16:28 +0000 |
| commit | cd237ed5853bda1dab27323236119e4342a19860 (patch) | |
| tree | ae30d37e6dbf9018ec09943c2628b04a3c861973 /lib/Target/XCore/XCoreISelLowering.h | |
| parent | e0776de2df9c47af5002cbc04354b52f3a1ee9b3 (diff) | |
| download | llvm-cd237ed5853bda1dab27323236119e4342a19860.tar.gz llvm-cd237ed5853bda1dab27323236119e4342a19860.tar.bz2 llvm-cd237ed5853bda1dab27323236119e4342a19860.tar.xz | |
InstSimplify: Optimize signed icmp of -(zext V)
Summary:
We know that -(zext V) will always be <= zero, simplify signed icmps
that have these.
Uncovered using http://www.cs.utah.edu/~regehr/souper/
Reviewers: nicholas
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D3754
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208809 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/XCore/XCoreISelLowering.h')
0 files changed, 0 insertions, 0 deletions