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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-20 21:39:52 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-20 21:39:52 +0000 |
| commit | 7d33c5739f7e287d841d2238642bfe0e913093bd (patch) | |
| tree | 7c49d9da7fbad3c1458cf805dc058f6dc565a408 /llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp | |
| parent | f1150d3a16f9cedea0cdba10e588a91fff840223 (diff) | |
| download | bcm5719-llvm-7d33c5739f7e287d841d2238642bfe0e913093bd.tar.gz bcm5719-llvm-7d33c5739f7e287d841d2238642bfe0e913093bd.zip | |
Don't add CFG edges for redundant conditional branches.
IR that hasn't been through SimplifyCFG can look like this:
br i1 %b, label %r, label %r
Make sure we don't create duplicate Machine CFG edges in this case.
Fix the machine code verifier to accept conditional branches with a
single CFG edge.
llvm-svn: 162230
Diffstat (limited to 'llvm/lib/CodeGen/MachineBranchProbabilityInfo.cpp')
0 files changed, 0 insertions, 0 deletions
