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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-11 00:00:26 +0000 |
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| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-11 00:00:26 +0000 |
| commit | a3e86a604a6b2152bdafe1a568078bd96571f9cb (patch) | |
| tree | 2c65c8349c27954bb6e99a7ef9fa36d23ab0c725 /llvm/lib/CodeGen/SelectionDAG | |
| parent | 0bcf8f4bfb72cbcea92ca617f442bf2f8476b244 (diff) | |
| download | bcm5719-llvm-a3e86a604a6b2152bdafe1a568078bd96571f9cb.tar.gz bcm5719-llvm-a3e86a604a6b2152bdafe1a568078bd96571f9cb.zip | |
Only check for PHI uses inside the current loop.
Hoisting a value that is used by a PHI in the loop will introduce a
copy because the live range is extended to cross the PHI.
The same applies to PHIs in exit blocks.
Also use this opportunity to make HasLoopPHIUse() non-recursive.
llvm-svn: 154454
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
0 files changed, 0 insertions, 0 deletions
