| commit | baf717a08a0bc8cb0a7931ea3ce51d063a8fe6f0 | |
| author | Eli Friedman <eli.friedman@gmail.com> | |
| Wed, 4 May 2011 22:10:36 +0000 (4 22:10 +0000) | ||
| committer | Eli Friedman <eli.friedman@gmail.com> | |
| Wed, 4 May 2011 22:10:36 +0000 (4 22:10 +0000) | ||
| tree | a783b0a34d6af1c5765489ade3449320ebbec85f | treesnapshot (tar.gz zip) |
| parent | b90584ae78a7acc4ac92e3ad52121a10c520b980 | commitdiff |
Re-commit r130862 with a minor change to avoid an iterator running off the edge in some cases.
Original message:
Teach MachineCSE how to do simple cross-block CSE involving physregs. This allows, for example, eliminating duplicate cmpl's on x86. Part of rdar://problem/8259436 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130877 91177308-0d34-0410-b5e6-96231b3b80d8
Original message:
Teach MachineCSE how to do simple cross-block CSE involving physregs. This allows, for example, eliminating duplicate cmpl's on x86. Part of rdar://problem/8259436 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130877 91177308-0d34-0410-b5e6-96231b3b80d8
| lib/CodeGen/MachineCSE.cpp | diffblobblamehistory | |
| test/CodeGen/Thumb2/thumb2-cbnz.ll | diffblobblamehistory | |
| test/CodeGen/X86/cmp-redundant.ll | [new file with mode: 0644] | blob |