Andrea Di Biagio 217cd18656 [DAGCombiner] Avoid calling method 'isShuffleMaskLegal' on illegal vector types. ... This patch fixes a crasher in method 'DAGCombiner::visitOR' due to an invalid call to method 'isShuffleMaskLegal'. On x86, method 'isShuffleMaskLegal' always expects a legal vector value type in input. With this patch, we immediately check if the input OR dag node has a legal vector type; we only try to fold a OR dag node into a single shufflevector if we know that the resulting shuffle will have a legal type. This is to avoid calling method 'isShuffleMaskLegal' on a potentially illegal vector value type. Added a new test-case to file 'CodeGen/X86/combine-or.ll' to verify that DAGCombiner doesn't crash in the attempt to check/combine an OR between shuffles with illegal types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213020 91177308-0d34-0410-b5e6-96231b3b80d8		2014-07-15 00:02:32 +00:00
..
Analysis	Look through addrspacecast in IsConstantOffsetFromGlobal	2014-07-14 22:39:26 +00:00
AsmParser	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
Bitcode	Fix a bug in the conversion to ErrorOr.	2014-07-04 20:05:56 +00:00
CodeGen	[DAGCombiner] Avoid calling method 'isShuffleMaskLegal' on illegal vector types.	2014-07-15 00:02:32 +00:00
DebugInfo	Revert "Introduce a string_ostream string builder facilty"	2014-06-26 22:52:05 +00:00
ExecutionEngine	[RuntimeDyld] Handle endiannes differences between the host and target while	2014-07-14 23:19:50 +00:00
IR	Look through addrspacecast when checking isDereferenceablePointer	2014-07-14 18:54:12 +00:00
IRReader	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
LineEditor	[CMake] Use LINK_LIBS instead of target_link_libraries().	2014-02-26 06:41:29 +00:00
Linker	Include <tuple> to make buildbots happy	2014-06-27 18:38:12 +00:00
LTO	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
MC	CodeGen: Stick constant pool entries in COMDAT sections for WinCOFF	2014-07-14 22:57:27 +00:00
Object	Object/LLVMBuild.txt: Sort required_libraries by alphabetical order.	2014-07-14 02:52:08 +00:00
Option	Generic: add range-adapter for option parsing.	2014-07-09 13:03:37 +00:00
ProfileData	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
Support	Fix a -Wunused-local-typedefs warning	2014-07-14 22:46:45 +00:00
TableGen	Update the MemoryBuffer API to use ErrorOr.	2014-07-06 17:43:13 +00:00
Target	R600: Add denormal handling subtarget features.	2014-07-14 23:40:49 +00:00
Transforms	Don't eliminate memcpy's when the address of the pointer may itself be relevant. Fixes PR18304. Patch by David Wiberg!	2014-07-14 18:52:02 +00:00
CMakeLists.txt	ProfileData: Introduce the InstrProfReader interface and a text reader	2014-03-21 17:24:48 +00:00
LLVMBuild.txt	ProfileData: Introduce the InstrProfReader interface and a text reader	2014-03-21 17:24:48 +00:00
Makefile	ProfileData: Introduce the InstrProfReader interface and a text reader	2014-03-21 17:24:48 +00:00