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| author | Evan Cheng <evan.cheng@apple.com> | 2009-03-01 02:03:43 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-03-01 02:03:43 +0000 |
| commit | c2f95b56db5b87a93bcf4490a232fd5dcb72d292 (patch) | |
| tree | 1157d7b09dc9ea025627fbe9d0aeb8a33c42a3f8 /llvm/lib/CodeGen/RegAllocBigBlock.cpp | |
| parent | 961763e35ac7ed92817061cf11941b3074b00aec (diff) | |
| download | bcm5719-llvm-c2f95b56db5b87a93bcf4490a232fd5dcb72d292.tar.gz bcm5719-llvm-c2f95b56db5b87a93bcf4490a232fd5dcb72d292.zip | |
Minor optimization:
Look for situations like this:
%reg1024<def> = MOV r1
%reg1025<def> = MOV r0
%reg1026<def> = ADD %reg1024, %reg1025
r0 = MOV %reg1026
Commute the ADD to hopefully eliminate an otherwise unavoidable copy.
llvm-svn: 65752
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocBigBlock.cpp')
0 files changed, 0 insertions, 0 deletions

