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011536a1cc
llvm/lib
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Sanjoy Das 011536a1cc [SCEV] Fix PR22856. 
Summary:
ScalarEvolutionExpander assumes that the header block of a loop is a
legal place to have a use for a phi node.  This is true only for phis
that are either in the header or dominate the header block, but it is
not true for phi nodes that are strictly internal to the loop body.

This change teaches ScalarEvolutionExpander to place uses of PHI nodes
in the basic block the PHI nodes belong to.  This is always legal, and
`hoistIVInc` ensures that the said position dominates `IsomorphicInc`.

Reviewers: atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8311

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232189 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-13 18:31:19 +00:00
..
Analysis [SCEV] Fix PR22856. 2015-03-13 18:31:19 +00:00
AsmParser [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
Bitcode Simplify expressions involving boolean constants with clang-tidy 2015-03-09 01:57:13 +00:00
CodeGen Recommit r232027 with PR22883 fixed: Add infrastructure for support of multiple memory constraints. 2015-03-13 12:45:09 +00:00
DebugInfo DWARFFormValue: Add getAsSignedConstant method. 2015-03-04 22:07:41 +00:00
ExecutionEngine [Orc][MCJIT][RuntimeDyld] Re-apply r231726 and r231724 with fix suggested by 2015-03-11 00:43:26 +00:00
Fuzzer [sanitizer/coverage] Add AFL-style coverage counters (search heuristic for fuzzing). 2015-03-03 23:27:02 +00:00
IR [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
IRReader Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
LTO Make DataLayout Non-Optional in the Module 2015-03-04 18:43:29 +00:00
MC Recommit r232027 with PR22883 fixed: Add infrastructure for support of multiple memory constraints. 2015-03-13 12:45:09 +00:00
Object Add support for Nuxi CloudABI. 2015-03-09 18:40:45 +00:00
Option Remove explicit no-op dtor in favor of the implicit dtor so as not to disable/deprecate the copy operations. 2015-03-03 19:53:02 +00:00
Passes [PM] Fixup for r231556 where I missed a dependency on intrinsics 2015-03-07 09:08:20 +00:00
ProfileData InstrProf: Teach llvm-cov to handle universal binaries when given -arch 2015-03-11 02:30:51 +00:00
Support Wrap in __MINGW32__ to avoid warnings from msvc. 2015-03-11 16:09:02 +00:00
TableGen Add missing includes. make_unique proliferated everywhere. 2015-03-01 21:28:53 +00:00
Target r600: Clear visited structure before running. 2015-03-13 17:32:46 +00:00
Transforms Reapply 'Run LICM pass after loop unrolling pass.' 2015-03-12 05:36:01 +00:00
CMakeLists.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
LLVMBuild.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
Makefile [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00