Sanjay Patel 821bba7fda avoid infinite looping when folding vector multiplies of constants (PR22698) ...

We were missing a check for the following fold in DAGCombiner:

// fold (fmul (fmul x, c1), c2) -> (fmul x, (fmul c1, c2))

If 'x' is also a constant, then we shouldn't do anything. Otherwise, we could end up swapping the operands back and forth forever.

This should fix:
http://llvm.org/bugs/show_bug.cgi?id=22698

Differential Revision: http://reviews.llvm.org/D7917



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230884 91177308-0d34-0410-b5e6-96231b3b80d8

2015-03-01 00:09:35 +00:00

..

Analysis

Reduce double set lookups.

2015-02-27 21:43:14 +00:00

AsmParser

Optimize metadata node fields for CHECK-ability

2015-02-28 23:21:38 +00:00

Bitcode

Silence three more variable set but not used warnings, NFC.

2015-02-28 15:29:17 +00:00

CodeGen

avoid infinite looping when folding vector multiplies of constants (PR22698)

2015-03-01 00:09:35 +00:00

DebugInfo

[llvm-pdbdump] Better error handling.

2015-02-28 20:23:18 +00:00

ExecutionEngine

Revert "Raising minimum required CMake version to 2.8.12.2."

2015-02-24 16:39:46 +00:00

Fuzzer

[fuzzer] one more experimental search mode: -use_coverage_pairs=1

2015-02-20 03:02:37 +00:00

IR

DebugInfo: Use TempMDNode in DIDescriptor::replaceAllUsesWith()

2015-02-28 23:48:02 +00:00

IRReader

Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects.

2015-02-11 03:28:02 +00:00

LineEditor

Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects.

2015-02-11 03:28:02 +00:00

Linker

[LTO API] add lto_codegen_set_module to set the destination module.

2015-02-24 00:45:56 +00:00

LTO

[LTO API] fix memory leakage introduced at r230290.

2015-02-25 21:20:53 +00:00

MC

Centralize handling of the eh_begin and eh_end labels.

2015-02-27 18:18:39 +00:00

Object

Object: Handle Mach-O kext bundle files

2015-02-25 22:59:20 +00:00

Option

Prefer SmallVector::append/insert over push_back loops.

2015-02-17 15:29:18 +00:00

ProfileData

InstrProf: Simplify the construction of BinaryCoverageReader

2015-02-26 20:06:28 +00:00

Support

[raw_ostream] When printing color on Windows, use correct bg color.

2015-02-28 19:08:27 +00:00

TableGen

MSVC 2013 does not ICE on this code in the same fashion that MSVC 2012 did; NFC.

2015-02-16 19:33:36 +00:00

Target

[X86] Remove the blendpd/blendps/pblendw/pblendd intrinsics. They can represented by shuffle_vector instructions.

2015-02-28 19:33:17 +00:00

Transforms

TRE: Just erase dead BBs and tweak the iteration loop not to increment the deleted BB iterator.

2015-02-28 16:47:27 +00:00

CMakeLists.txt

Reverting r227452, which adds back the fuzzer library. Now excluding the fuzzer library based on LLVM_USE_SANITIZE_COVERAGE being set or unset.

2015-01-29 16:58:29 +00:00

LLVMBuild.txt

…

Makefile

Move DebugInfo to DebugInfo/DWARF.

2015-01-30 18:07:45 +00:00