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	Commit message (Collapse)	Author	Age	Files	Lines
*	Fix a bad overflow check pointed out by Ben.	Jakob Stoklund Olesen	2013-06-28	1	-0/+5
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185226 91177308-0d34-0410-b5e6-96231b3b80d8
*	Add a division operator to BlockFrequency.	Jakob Stoklund Olesen	2013-06-28	1	-0/+18
\| \| \| \| \| \| \| \| \| \| \|	Allow a BlockFrequency to be divided by a non-zero BranchProbability with saturating arithmetic. This will be used to compute the frequency of a loop header given the probability of leaving the loop. Our long division algorithm already saturates on overflow, so that was a freebie. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185184 91177308-0d34-0410-b5e6-96231b3b80d8
*	Revert "BlockFrequency: Saturate at 1 instead of 0 when multiplying a ↵	Benjamin Kramer	2013-06-21	1	-12/+1
\| \| \| \| \| \| \| \|	frequency with a branch probability." This reverts commit r184584. Breaks PPC selfhost. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184590 91177308-0d34-0410-b5e6-96231b3b80d8
*	BlockFrequency: Saturate at 1 instead of 0 when multiplying a frequency with ↵	Benjamin Kramer	2013-06-21	1	-1/+12
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	a branch probability. Zero is used by BlockFrequencyInfo as a special "don't know" value. It also causes a sink for frequencies as you can't ever get off a zero frequency with more multiplies. This recovers a 10% regression on MultiSource/Benchmarks/7zip. A zero frequency was propagated into an inner loop causing excessive spilling. PR16402. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184584 91177308-0d34-0410-b5e6-96231b3b80d8
*	Sort the #include lines for unittest/...	Chandler Carruth	2012-12-04	1	-2/+1
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169250 91177308-0d34-0410-b5e6-96231b3b80d8
*	For reasons I can't fathom MSVC supports ULL but not LLU suffixes on long ↵	Benjamin Kramer	2012-06-17	1	-1/+1
\| \| \| \| \| \|	long integer literals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158648 91177308-0d34-0410-b5e6-96231b3b80d8
*	Implement comparison operators for BranchProbability in a way that can't ↵	Benjamin Kramer	2011-10-24	1	-0/+9
\| \| \| \| \| \| \| \|	overflow INT64_MAX. Add a test case for the edge case that triggers this. Thanks to Chandler for bringing this to my attention. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142794 91177308-0d34-0410-b5e6-96231b3b80d8
*	Add compare operators to BranchProbability and use it to determine if an ↵	Benjamin Kramer	2011-10-23	1	-0/+20
\| \| \| \| \| \|	edge is hot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142751 91177308-0d34-0410-b5e6-96231b3b80d8
*	Add test cases for BlockFrequency.	Jakub Staszak	2011-07-27	1	-0/+56
	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136244 91177308-0d34-0410-b5e6-96231b3b80d8