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authorDavid L. Jones <dlj@google.com>2017-11-15 01:40:05 +0000
committerDavid L. Jones <dlj@google.com>2017-11-15 01:40:05 +0000
commitd5c2cca72463233df77a065f201db31b140eb44d (patch)
tree3f9a978131033302a58b7db7db1ecf2a4622bad2 /include/llvm/Analysis/BlockFrequencyInfo.h
parentce7676b8db6bac096dad4c4ad62e9e6bb8aa1064 (diff)
parentdcf64df89bc6d775e266ebd6b0134d135f47a35b (diff)
downloadllvm-testing.tar.gz
Creating branches/google/testing and tags/google/testing/2017-11-14 from r317716testing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/google/testing@318248 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Analysis/BlockFrequencyInfo.h')
-rw-r--r--include/llvm/Analysis/BlockFrequencyInfo.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Analysis/BlockFrequencyInfo.h b/include/llvm/Analysis/BlockFrequencyInfo.h
index d663b09d5cfe..89370cbeeea1 100644
--- a/include/llvm/Analysis/BlockFrequencyInfo.h
+++ b/include/llvm/Analysis/BlockFrequencyInfo.h
@@ -75,6 +75,10 @@ public:
/// the enclosing function's count (if available) and returns the value.
Optional<uint64_t> getProfileCountFromFreq(uint64_t Freq) const;
+ /// \brief Returns true if \p BB is an irreducible loop header
+ /// block. Otherwise false.
+ bool isIrrLoopHeader(const BasicBlock *BB);
+
// Set the frequency of the given basic block.
void setBlockFreq(const BasicBlock *BB, uint64_t Freq);