Sanjay Patel 0ff4eb684f Optimize square root squared (PR21126). ...

When unsafe-fp-math is enabled, we can turn sqrt(X) * sqrt(X) into X.

This can happen in the real world when calculating x ** 3/2. This occurs
in test-suite/SingleSource/Benchmarks/BenchmarkGame/n-body.c.

Differential Revision: http://reviews.llvm.org/D5584



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218906 91177308-0d34-0410-b5e6-96231b3b80d8

2014-10-02 21:10:54 +00:00

..

CMakeLists.txt

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InstCombine.h

Revert r218721, r218735.

2014-10-01 10:07:28 +00:00

InstCombineAddSub.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineAndOrXor.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineCalls.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineCasts.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineCompares.cpp

Revert r218721, r218735.

2014-10-01 10:07:28 +00:00

InstCombineLoadStoreAlloca.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineMulDivRem.cpp

Optimize square root squared (PR21126).

2014-10-02 21:10:54 +00:00

InstCombinePHI.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineSelect.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineShifts.cpp

Make use of @llvm.assume in ValueTracking (computeKnownBits, etc.)

2014-09-07 18:57:58 +00:00

InstCombineSimplifyDemanded.cpp

Add additional patterns for @llvm.assume in ValueTracking

2014-09-07 19:21:07 +00:00

InstCombineVectorOps.cpp

…

InstCombineWorklist.h

Canonicalize header guards into a common format.

2014-08-13 16:26:38 +00:00

InstructionCombining.cpp

Revert r218721, r218735.

2014-10-01 10:07:28 +00:00

LLVMBuild.txt

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Makefile

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