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Commits on Nov 27, 2014

• InstCombine: Restore optimizations lost in r210006

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  dcf39d2

• InstSimplify: Restore optimizations lost in r210006

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  f45536e

Commits on Nov 26, 2014

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

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  9e6a181

Commits on Nov 25, 2014

• Forgot to add a file for r222734

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  c3da97a

• COFF: Add back an assertion that is superseded by r222124

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  c891fc3

• COFF: Add another test for r222124

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  333c958

• InstSimplify: Handle some simple tautological comparisons

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  044b644

Commits on Nov 24, 2014

• InstCombine: Don't create an unused instruction

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  a17a9dc

• InstCombine: Don't assume DataLayout is always available

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  4a9d304

Commits on Nov 22, 2014

• InstCombine: Propagate exact for (sdiv X, Pow2) -> (udiv X, Pow2)

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  369d8fa

• InstCombine: Propagate exact for (sdiv X, Y) -> (udiv X, Y)

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  committed
  89bcfdb

• InstCombine: Propagate exact for (sdiv -X, C) -> (sdiv X, -C)

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• InstCombine: Propagate exact in (udiv (lshr X,C1),C2) -> (udiv x,C1<<C2)

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  218fe23

• InstCombine: Propagate NSW/NUW for X*(1<<Y) -> X<<Y

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  8ff39c5

• InstCombine: Propagate NSW for -X * -Y -> X * Y

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  082eff6

• InstSimplify: Simplify (sub 0, X) -> X if it's NUW

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  7eca618

• InstCombine: Silence a parenthesis warning

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  1c4abdb

• InstCombine: Preserve nsw when folding X*(2^C) -> X << C

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  committed
  fc1c5ba

• InstCombine: Preserve nsw/nuw for ((X << C2)*C1) -> (X * (C1 << C2))

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  156d6ec

• InstCombine: Preserve nsw for (mul %V, -1) -> (sub 0, %V)

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Commits on Nov 21, 2014

• This Reassociate change unintentionally slipped in r222499

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  dac753c

• SROA: The alloca type isn't a candidate promotion type for vectors

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  9970214

Commits on Nov 20, 2014

• Add a test for r221870

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  9dda78f

Commits on Nov 19, 2014

• AliasSet: Simplify mergeSetIn

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  a44c501

• AliasSetTracker: UnknownInsts should contribute to the refcount

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  f47d325

Commits on Nov 18, 2014

• InstCombine: Fix another infinite loop caused by visitFPTrunc

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  643bef9

• Revert "Revert r222040 because of bot failure."

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  063e542

• InstCombine: Fold away tautological masked compares

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  0ede3a2

• InstCombine: Clean up foldLogOpOfMaskedICmps

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  2c906a4

• llvm-readobj: Don't print the Characteristics field as the Subsystem

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  f0e7ccc

• IndVarSimplify: Allow LFTR to fire more often

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  1ade0f0

Commits on Nov 17, 2014

• ScalarEvolution: Construct SCEVDivision's Derived type instead of itself

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  2014c91

• Object, COFF: Tighten the object file parser

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  a18e46c

Commits on Nov 16, 2014

• ScalarEvolution: Introduce SCEVSDivision and SCEVUDivision

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  2aad1e3

• ScalarEvolution: HowFarToZero was wrongly using signed division

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  committed
  62baa59

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