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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-20 21:39:52 +0000 |
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| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-08-20 21:39:52 +0000 |
| commit | e7fdef420d0c8a825555d246da259342c48bd527 (patch) | |
| tree | 547217afeba3ac83e232e628a24c768f2ab6bf87 /lib/CodeGen/MachineBranchProbabilityInfo.cpp | |
| parent | 2c5a960b0eae0634da6e1854111b35f475e65335 (diff) | |
| download | llvm-e7fdef420d0c8a825555d246da259342c48bd527.tar.gz llvm-e7fdef420d0c8a825555d246da259342c48bd527.tar.bz2 llvm-e7fdef420d0c8a825555d246da259342c48bd527.tar.xz | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162230 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineBranchProbabilityInfo.cpp')
0 files changed, 0 insertions, 0 deletions