David Majnemer b41f4bbfbd InstCombine: Optimize (1 << X) Pred CstP2 to X Pred Log2(CstP2) ...

We may, after other optimizations, find ourselves with IR that looks
like:

  %shl = shl i32 1, %y
  %cmp = icmp ult i32 %shl, 32

Instead, we should just compare the shift count:

  %cmp = icmp ult i32 %y, 5


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185242 91177308-0d34-0410-b5e6-96231b3b80d8

2013-06-28 23:42:03 +00:00

..

Hello

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InstCombine

InstCombine: Optimize (1 << X) Pred CstP2 to X Pred Log2(CstP2)

2013-06-28 23:42:03 +00:00

Instrumentation

Remove needless include (unistd.h) in DebugIR pass

2013-06-28 19:19:44 +00:00

IPO

Debug Info: clean up usage of Verify.

2013-06-28 05:43:10 +00:00

ObjCARC

[objc-arc-opts] Make IsTrackingImpreciseReleases a const method.

2013-06-21 20:52:49 +00:00

Scalar

dbgs() << Instruction doesn't print a newline on the end any more. Update these

2013-06-26 00:30:18 +00:00

Utils

Debug Info: clean up usage of Verify.

2013-06-28 05:43:10 +00:00

Vectorize

SLP Vectorizer: Add support for trees with external users.

2013-06-28 22:07:09 +00:00

CMakeLists.txt

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LLVMBuild.txt

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Makefile

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