Manman Ren 9236362a64 X86: optimize generated code for integer ABS ... This patch will generate the following for integer ABS: movl %edi, %eax negl %eax cmovll %edi, %eax INSTEAD OF movl %edi, %ecx sarl $31, %ecx leal (%rdi,%rcx), %eax xorl %ecx, %eax There exists a target-independent DAG combine for integer ABS, which converts integer ABS to sar+add+xor. For X86, we match this pattern back to neg+cmov. This is implemented in PerformXorCombine. rdar://10695237 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158175 91177308-0d34-0410-b5e6-96231b3b80d8		2012-06-07 22:39:10 +00:00
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Analysis	Round 2 of dead private variable removal.	2012-06-06 19:47:08 +00:00
Archive
AsmParser	switch AttrListPtr::get to take an ArrayRef, simplifying a lot of clients.	2012-05-28 01:47:44 +00:00
Bitcode	PR1255: case ranges.	2012-06-02 09:42:43 +00:00
CodeGen	Move terminator machine verification to check MachineBasicBlock::instr_iterator instead of MBB::iterator	2012-06-07 17:41:39 +00:00
DebugInfo
ExecutionEngine	Round 2 of dead private variable removal.	2012-06-06 19:47:08 +00:00
Linker	Supply a C interface to the "LinkModules" method.	2012-05-09 08:55:40 +00:00
MC	Add accessors for all private members of DisasmContext.	2012-06-06 20:45:10 +00:00
Object	Mark some static arrays as const.	2012-05-24 06:35:32 +00:00
Support	Use access(2) instead of stat(2) to check if a file exists.	2012-06-02 16:28:09 +00:00
TableGen	Fix 80 columns.	2012-06-01 00:58:41 +00:00
Target	X86: optimize generated code for integer ABS	2012-06-07 22:39:10 +00:00
Transforms	Fix a bug in FoldSelectOpOp. Bitcast ops may change the number of vector elements, which may disagree with the select condition type.	2012-06-07 20:28:57 +00:00
VMCore	Simplify the fma4 renaming code.	2012-06-03 16:48:52 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile