Dinesh Dwivedi bcc4bce6b7 Added inst combine tarnsform for (1 << X) & C pattrens where C is (some PowerOf2 - 1) ...

This patch can handles following cases from http://nondot.org/sabre/LLVMNotes/InstCombine.txt
  "((1 << X) & 7) == 0" ==> "X > 2"
  "((1 << X) & 7) != 0" ==> "X < 3".

Differential Revision: http://reviews.llvm.org/D3678



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210007 91177308-0d34-0410-b5e6-96231b3b80d8

2014-06-02 07:57:24 +00:00

..

CMakeLists.txt

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InstCombine.h

Rename ComputeMaskedBits to computeKnownBits. "Masked" has been

2014-05-14 21:14:37 +00:00

InstCombineAddSub.cpp

Revert "Revert "Revert "InstCombine: Improvement to check if signed addition overflows."""

2014-05-29 14:39:16 +00:00

InstCombineAndOrXor.cpp

Reorder shuffle and binary operation.

2014-05-11 08:46:12 +00:00

InstCombineCalls.cpp

Post-commit fixes for r209643

2014-05-27 16:54:33 +00:00

InstCombineCasts.cpp

Rename ComputeMaskedBits to computeKnownBits. "Masked" has been

2014-05-14 21:14:37 +00:00

InstCombineCompares.cpp

Added inst combine tarnsform for (1 << X) & C pattrens where C is (some PowerOf2 - 1)

2014-06-02 07:57:24 +00:00

InstCombineLoadStoreAlloca.cpp

[C++] Use 'nullptr'. Transforms edition.

2014-04-25 05:29:35 +00:00

InstCombineMulDivRem.cpp

Optimize integral reciprocal (udiv 1, x and sdiv 1, x) to not use division. This fires exactly once in a clang bootstrap, but covers a few different results from http://www.cs.utah.edu/~regehr/souper/

2014-05-14 03:03:05 +00:00

InstCombinePHI.cpp

[C++] Use 'nullptr'. Transforms edition.

2014-04-25 05:29:35 +00:00

InstCombineSelect.cpp

Added inst combine transforms for single bit tests from Chris's note

2014-06-02 07:24:36 +00:00

InstCombineShifts.cpp

Reorder shuffle and binary operation.

2014-05-11 08:46:12 +00:00

InstCombineSimplifyDemanded.cpp

Rename ComputeMaskedBits to computeKnownBits. "Masked" has been

2014-05-14 21:14:37 +00:00

InstCombineVectorOps.cpp

Fix type of shuffle resulted from shuffle merge.

2014-05-13 06:07:21 +00:00

InstCombineWorklist.h

[C++] Use 'nullptr'.

2014-04-28 04:05:08 +00:00

InstructionCombining.cpp

And fix my fix to sink down through the type at the right time. My

2014-05-29 23:21:12 +00:00

LLVMBuild.txt

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Makefile

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