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4afe7378c6
llvm-mirror/lib/Transforms/InstCombine
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Sanjoy Das 4afe7378c6 [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 
Summary:
This patch adds an enum `OverflowCheckFlavor` and a function
`OptimizeOverflowCheck`.  This will allow InstCombine to optimize
overflow checks without directly introducing an intermediate call to the
`llvm.$op.with.overflow` instrinsics.

This specific change is a refactoring and does not intend to change
behavior.

Reviewers: majnemer, atrick

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D8888

llvm-svn: 234388
2015-04-08 04:27:22 +00:00
..
CMakeLists.txt Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
InstCombineAddSub.cpp DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
InstCombineAndOrXor.cpp [ConstantRange] Split makeICmpRegion in two. 2015-03-18 00:41:24 +00:00
InstCombineCalls.cpp [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 2015-04-08 04:27:22 +00:00
InstCombineCasts.cpp Recommit r233116 better: Remove a redundant instcombine involving bitcasts of geps of bitcasts 2015-03-27 20:13:55 +00:00
InstCombineCompares.cpp [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 2015-04-08 04:27:22 +00:00
InstCombineInternal.h [InstCombine] Refactor out OptimizeOverflowCheck. NFCI. 2015-04-08 04:27:22 +00:00
InstCombineLoadStoreAlloca.cpp [opaque pointer type] Change GetElementPtrInst::getIndexedType to take the pointee type 2015-03-30 21:41:43 +00:00
InstCombineMulDivRem.cpp DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
InstCombinePHI.cpp [opaque pointer type] Start migrating GEP creation to explicitly specify the pointee type 2015-03-14 01:53:18 +00:00
InstCombineSelect.cpp DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
InstCombineShifts.cpp DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
InstCombineSimplifyDemanded.cpp DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
InstCombineVectorOps.cpp [InstCombine] Use DataLayout to determine vector element width 2015-04-03 20:18:40 +00:00
InstructionCombining.cpp [opaque pointer type] More GEP IRBuilder API migrations... 2015-04-03 21:33:42 +00:00
LLVMBuild.txt Update libdeps since TLI was moved from Target to Analysis in r226078. 2015-01-15 05:21:00 +00:00
Makefile