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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-10 20:11:38 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-10 20:11:38 +0000 |
| commit | 8828c4ccd44cb49d13360cf86fd0b963f211f03f (patch) | |
| tree | 25a9a4b4b887de7ee7fddb0009f9b5b39f7060c7 /lib/CodeGen/MachineBasicBlock.cpp | |
| parent | 2a33cec66a5d1b755e2bb045bdac1690fdcff19e (diff) | |
Include loop-carried dependencies when computing instr heights.
When a trace ends with a back-edge, include PHIs in the loop header in
the height computations. This makes the critical path through a loop
more accurate by including the latencies of the last instructions in the
loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161688 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineBasicBlock.cpp')
0 files changed, 0 insertions, 0 deletions