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Silviu Baranga ad1dafb2c3 [LV] Fix PR26600: avoid out of bounds loads for interleaved access vectorization 
Summary:
If we don't have the first and last access of an interleaved load group,
the first and last wide load in the loop can do an out of bounds
access. Even though we discard results from speculative loads,
this can cause problems, since it can technically generate page faults
(or worse).

We now discard interleaved load groups that don't have the first and
load in the group.

Reviewers: hfinkel, rengolin

Subscribers: rengolin, llvm-commits, mzolotukhin, anemet

Differential Revision: http://reviews.llvm.org/D17332

llvm-svn: 261331
 		2016-02-19 15:46:10 +00:00
..
Analysis Remove uses of builtin comma operator. 2016-02-18 22:09:30 +00:00
AsmParser [IR] Extend cmpxchg to allow pointer type operands 2016-02-19 00:06:41 +00:00
Bitcode Bitcode writer: fix a typo, using getName() instead of getSourceFileName() 2016-02-16 22:07:03 +00:00
CodeGen Shuffle header file as per the Coding Standards 2016-02-19 04:46:48 +00:00
DebugInfo [DebugInfoPDB] Add source / line number accessors for PDB. 2016-02-18 18:47:29 +00:00
ExecutionEngine Fix build LLVM with -D LLVM_USE_INTEL_JITEVENTS:BOOL=ON on Windows 2016-02-16 23:52:18 +00:00
Fuzzer [libFuzzer] only read MaxLen bytes from every file in the corpus to speedup loading the corpus 2016-02-18 21:49:10 +00:00
IR [IR] Extend cmpxchg to allow pointer type operands 2016-02-19 00:06:41 +00:00
IRReader Remove autoconf support 2016-01-26 21:29:08 +00:00
LTO [PM] Port the PostOrderFunctionAttrs pass to the new pass manager and 2016-02-18 11:03:11 +00:00
LibDriver Remove autoconf support 2016-01-26 21:29:08 +00:00
LineEditor Remove autoconf support 2016-01-26 21:29:08 +00:00
Linker Pass a std::unique_ptr to IRMover::move. 2016-02-16 18:50:12 +00:00
MC Add support for merging strings with alignment larger than one char. 2016-02-19 14:13:52 +00:00
Object Represent the dynamic table itself with a DynRegionInfo. 2016-02-17 16:48:00 +00:00
Option Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
Passes [PM] Port the PostOrderFunctionAttrs pass to the new pass manager and 2016-02-18 11:03:11 +00:00
ProfileData Add profile summary support for sample profile. 2016-02-19 03:15:33 +00:00
Support When printing MIR, output to errs() rather than outs(). 2016-02-19 00:18:46 +00:00
TableGen Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
Target AMDGPU/SI: Fix s_waitcnt insertion for flat instructions 2016-02-19 15:33:13 +00:00
Transforms [LV] Fix PR26600: avoid out of bounds loads for interleaved access vectorization 2016-02-19 15:46:10 +00:00
CMakeLists.txt LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00
LLVMBuild.txt Wrap some long lines in LLVMBuild files. NFC 2015-06-12 18:44:57 +00:00