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authorXinliang David Li <davidxl@google.com>2017-12-07 22:23:28 +0000
committerXinliang David Li <davidxl@google.com>2017-12-07 22:23:28 +0000
commit4b0027f671d5eaea1a93f94e8e020311d1087431 (patch)
treee458a5010ffc3134505e78e57bcab655b953b60b /llvm/lib/Analysis/BlockFrequencyInfo.cpp
parent38c70521ff29ead6fe77f25c1bc2d833a7793232 (diff)
downloadbcm5719-llvm-4b0027f671d5eaea1a93f94e8e020311d1087431.tar.gz
bcm5719-llvm-4b0027f671d5eaea1a93f94e8e020311d1087431.zip
[PGO] detect infinite loop and form MST properly
Differential Revision: http://reviews.llvm.org/D40873 llvm-svn: 320104
Diffstat (limited to 'llvm/lib/Analysis/BlockFrequencyInfo.cpp')
-rw-r--r--llvm/lib/Analysis/BlockFrequencyInfo.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/BlockFrequencyInfo.cpp b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
index 41c29589521..f5fe2d84f8b 100644
--- a/llvm/lib/Analysis/BlockFrequencyInfo.cpp
+++ b/llvm/lib/Analysis/BlockFrequencyInfo.cpp
@@ -264,6 +264,10 @@ const BranchProbabilityInfo *BlockFrequencyInfo::getBPI() const {
return BFI ? &BFI->getBPI() : nullptr;
}
+const LoopInfo *BlockFrequencyInfo::getLoopInfo() const {
+ return BFI ? &BFI->getLoopInfo() : nullptr;
+}
+
raw_ostream &BlockFrequencyInfo::
printBlockFreq(raw_ostream &OS, const BlockFrequency Freq) const {
return BFI ? BFI->printBlockFreq(OS, Freq) : OS;
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