Andrea Di Biagio b385e06ccd [release_36] Cherry-pick r231219. ...

Original message:
[DAGCombine] Fix a bug in a BUILD_VECTOR combine

When trying to convert a BUILD_VECTOR into a shuffle, we try to split a single source vector that is twice as wide as the destination vector. 
We can not do this when we also need the zero vector to create a blend.
This fixes PR22774.

Differential Revision: http://reviews.llvm.org/D8040


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_36@232807 91177308-0d34-0410-b5e6-96231b3b80d8

2015-03-20 12:28:49 +00:00

..

AArch64

Merging r228518:

2015-02-09 02:38:04 +00:00

ARM

Merging r228518:

2015-02-09 02:38:04 +00:00

CPP

…

Generic

CodeGen: do not attempt to invalidate virtual registers for zero-sized phis.

2014-12-19 20:50:07 +00:00

Hexagon

Merging r226048:

2015-01-15 04:04:08 +00:00

Inputs

Merging r226048:

2015-01-15 04:04:08 +00:00

Mips

Merging r227089:

2015-03-10 22:03:11 +00:00

MSP430

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NVPTX

Check that the TLI callback enableAggressiveFMAFusion has the desired effect on FMA folding.

2015-01-14 15:36:28 +00:00

PowerPC

Merging r228969:

2015-02-12 23:51:24 +00:00

R600

Merging r228303:

2015-02-05 18:05:18 +00:00

SPARC

Revert r225957 from the 3.6 branch.

2015-01-17 00:43:31 +00:00

SystemZ

Use the integrated assembler as default on SystemZ

2015-01-13 19:45:16 +00:00

Thumb

Merging r226048:

2015-01-15 04:04:08 +00:00

Thumb2

[ARM] Fix a bug in constant island pass that was triggering an assertion.

2015-01-08 20:44:50 +00:00

X86

[release_36] Cherry-pick r231219.

2015-03-20 12:28:49 +00:00

XCore

Merging r226048:

2015-01-15 04:04:08 +00:00