Sanjay Patel 013822ac22 [InstCombine] fix wrong undef handling when converting select to shuffle ...

As discussed in:
https://bugs.llvm.org/show_bug.cgi?id=32486
...the canonicalization of vector select to shufflevector does not hold up
when undef elements are present in the condition vector. 

Try to make the undef handling clear in the code and the LangRef.

Differential Revision: https://reviews.llvm.org/D31980

llvm-svn: 300092

2017-04-12 18:39:53 +00:00

..

Analysis

[SystemZ] Fix target specific tests

2017-04-12 17:14:46 +00:00

Assembler

Allow DataLayout to specify addrspace for allocas.

2017-04-10 22:27:50 +00:00

Bindings

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Bitcode

Bitcode: Do not create FNENTRYs for aliases of functions.

2017-04-06 19:39:24 +00:00

BugPoint

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CodeGen

[GlobalIsel][X86] support G_CONSTANT selection.

2017-04-12 12:54:54 +00:00

DebugInfo

[PDB] Emit index/offset pairs for TPI and IPI streams

2017-04-11 16:26:15 +00:00

Examples

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ExecutionEngine

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Feature

[GVNHoist] Re-enable GVNHoist by default

2017-04-11 14:36:30 +00:00

FileCheck

[FileCheck] Added --enable-var-scope option to enable scope for regex variables.

2017-03-09 17:59:04 +00:00

Instrumentation

[asan] Give global metadata private linkage.

2017-04-11 22:28:13 +00:00

Integer

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JitListener

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LibDriver

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Linker

[Linker] Provide callback for internalization

2017-03-13 18:08:11 +00:00

LTO

llvm-lto2: Add a dump-symtab subcommand.

2017-04-12 18:27:00 +00:00

MC

[AMDGPU][MC] Added support for several VI-specific opcodes (s_wakeup, etc)

2017-04-12 17:10:07 +00:00

Object

[llvm-ar] errors go on stderr and not on stdout.

2017-04-05 14:52:17 +00:00

ObjectYAML

Align all scalar numbers to LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR

2017-04-04 06:02:32 +00:00

Other

Bring back r297624.

2017-03-13 20:00:25 +00:00

SymbolRewriter

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TableGen

[globalisel][tablegen] Add experimental support for OperandWithDefaultOps, PredicateOperand, and OptionalDefOperand

2017-04-12 08:23:08 +00:00

ThinLTO/X86

llvm-lto2: Move the LTO::run() action behind a subcommand.

2017-04-11 18:12:00 +00:00

tools

llvm-lto2: Move the LTO::run() action behind a subcommand.

2017-04-11 18:12:00 +00:00

Transforms

[InstCombine] fix wrong undef handling when converting select to shuffle

2017-04-12 18:39:53 +00:00

Unit

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Verifier

Verifier: Check some amdgpu calling convention restrictions

2017-04-04 18:43:11 +00:00

YAMLParser

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.clang-format

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CMakeLists.txt

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lit.cfg

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lit.site.cfg.in

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TestRunner.sh

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