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David Majnemer a1b821fac9 [LICM] Don't try to sink values out of loops without any exits 
There is no suitable basic block to sink instructions in loops without
exits.  The only way an instruction in a loop without exits can be used
is as an incoming value to a PHI.  In such cases, the incoming block for
the corresponding value is unreachable.

This fixes PR24013.

Differential Revision: http://reviews.llvm.org/D10903

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241987 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-12 03:53:05 +00:00
..
Hello Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
InstCombine [InstCombine] Actually combine AA metadata when replacing one load with another 2015-07-10 22:30:17 +00:00
Instrumentation Revert the new EH instructions 2015-07-10 07:15:17 +00:00
IPO [PM/AA] Completely remove the AliasAnalysis::copyValue interface. 2015-07-11 04:39:00 +00:00
ObjCARC Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Scalar [LICM] Don't try to sink values out of loops without any exits 2015-07-12 03:53:05 +00:00
Utils [PM/AA] Completely remove the AliasAnalysis::copyValue interface. 2015-07-11 04:39:00 +00:00
Vectorize Move getStrideFromPointer and friends from LoopVectorize to VectorUtils 2015-07-11 10:52:42 +00:00
CMakeLists.txt
LLVMBuild.txt
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