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(parent: c34fea3) | patch
Fix a ValueTracking rule: RHS means operand 1, not 0. Add a simple
authorDan Gohman <gohman@apple.com>
Tue, 24 Feb 2009 02:00:40 +0000 (02:00 +0000)
committerDan Gohman <gohman@apple.com>
Tue, 24 Feb 2009 02:00:40 +0000 (02:00 +0000)
commit0001e56f15215ae4bc5fffb82eec5c4828b888f0
treec14953e84d899048fdcd5828b6b2b4ecac2ccb2atree | snapshot
parentc34fea3935dcc0cab13cfb5cb60471bd49089230commit | diff
Fix a ValueTracking rule: RHS means operand 1, not 0. Add a simple
ashr instcombine to help expose this code. And apply the fix to
SelectionDAG's copy of this code too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65364 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/ValueTracking.cpp diff | blob | history
lib/CodeGen/SelectionDAG/SelectionDAG.cpp diff | blob | history
lib/Transforms/Scalar/InstructionCombining.cpp diff | blob | history
test/Transforms/InstCombine/ashr-nop.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors