Benjamin Kramer a8517ee732 InstCombine: Check for zero shift amounts before subtracting one causing integer overflow. ...

PR17026. Also avoid undefined shifts and shift amounts larger than 64 bits
(those are always undef because we can't represent integer types that large).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189672 91177308-0d34-0410-b5e6-96231b3b80d8

2013-08-30 14:35:35 +00:00

..

CMakeLists.txt

Tidy up a bit. No functional change.

2013-04-05 21:20:12 +00:00

InstCombine.h

Teach InstCombine visitGetElementPtr about address spaces

2013-08-19 22:17:40 +00:00

InstCombineAddSub.cpp

Preserve fast-math flags when folding (fsub x, (fneg y)) to (fadd x, y).

2013-07-30 23:53:17 +00:00

InstCombineAndOrXor.cpp

InstCombine: Use isAllOnesValue() instead of explicit -1.

2013-08-16 17:03:36 +00:00

InstCombineCalls.cpp

Change behavior of calling bitcasted alias functions.

2013-07-30 20:45:05 +00:00

InstCombineCasts.cpp

Teach InstCombine about address spaces

2013-08-21 19:53:10 +00:00

InstCombineCompares.cpp

Teach InstCombine about address spaces

2013-08-21 19:53:10 +00:00

InstCombineLoadStoreAlloca.cpp

Fix always creating GEP with i32 indices

2013-08-14 00:24:38 +00:00

InstCombineMulDivRem.cpp

Correct case of m_UIToFp to m_UIToFP to match instruction name, add m_SIToFP for consistency.

2013-07-26 17:55:00 +00:00

InstCombinePHI.cpp

Tidy up a bit. No functional change.

2013-04-05 21:20:12 +00:00

InstCombineSelect.cpp

InstCombine: Also turn selects fed by an and into arithmetic when the types don't match.

2013-06-29 21:17:04 +00:00

InstCombineShifts.cpp

Revert r174152. The shift amount may overflow and in that case this transformation is illegal.

2013-02-01 07:59:33 +00:00

InstCombineSimplifyDemanded.cpp

InstCombine: Check for zero shift amounts before subtracting one causing integer overflow.

2013-08-30 14:35:35 +00:00

InstCombineVectorOps.cpp

Fix typo.

2013-08-28 22:17:26 +00:00

InstCombineWorklist.h

Use pop_back_val() instead of both back() and pop_back().

2013-08-19 22:47:55 +00:00

InstructionCombining.cpp

Teach InstCombine visitGetElementPtr about address spaces

2013-08-19 22:17:40 +00:00

LLVMBuild.txt

…

Makefile

…