Benjamin Kramer 7d6fe13efc Add some x86 specific dagcombines for conditional increments. ... (add Y, (sete X, 0)) -> cmp X, 1; adc 0, Y (add Y, (setne X, 0)) -> cmp X, 1; sbb -1, Y (sub (sete X, 0), Y) -> cmp X, 1; sbb 0, Y (sub (setne X, 0), Y) -> cmp X, 1; adc -1, Y for unsigned foo(unsigned a, unsigned b) { if (a == 0) b++; return b; } we now get: foo: cmpl $1, %edi movl %esi, %eax adcl $0, %eax ret instead of: foo: testl %edi, %edi sete %al movzbl %al, %eax addl %esi, %eax ret git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122364 91177308-0d34-0410-b5e6-96231b3b80d8		2010-12-21 21:41:44 +00:00
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Analysis	While I don't think any later transforms can fire, it seems cleaner to	2010-12-21 15:03:43 +00:00
Archive	MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> via an out parm.	2010-12-16 03:29:14 +00:00
AsmParser	Add missing standard headers. Patch by Joerg Sonnenberger!	2010-12-19 20:43:38 +00:00
Bitcode	Add missing standard headers. Patch by Joerg Sonnenberger!	2010-12-19 20:43:38 +00:00
CodeGen	Revert 122353-122355 for the moment, they broke stuff.	2010-12-21 21:22:27 +00:00
CompilerDriver	Support/PathV1: Deprecate get{Basename,Dirname,Suffix}.	2010-12-18 22:23:07 +00:00
ExecutionEngine	Remove unneeded zero arrays.	2010-12-04 15:28:22 +00:00
Linker	Fix whitespace.	2010-12-18 22:23:15 +00:00
MC	Simplify EvaluateAsAbsolute now that EvaluateAsRelocatableImpl does all	2010-12-21 20:51:42 +00:00
Object	Fix mismatched new[]/delete.	2010-12-17 09:56:50 +00:00
Support	Use IntEqClasses to compute connected components of live intervals.	2010-12-21 00:48:17 +00:00
Target	Add some x86 specific dagcombines for conditional increments.	2010-12-21 21:41:44 +00:00
Transforms	GVN's Expression is not POD-like (it contains a SmallVector). Simplify code while at it.	2010-12-21 21:30:19 +00:00
VMCore	rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for	2010-12-21 02:38:05 +00:00
Makefile	Add LLVMObject Library.	2010-11-15 03:21:41 +00:00