Chris Lattner a34b3cf953 X86 supports i8/i16 overflow ops (except i8 multiplies), we should ... generate them. Now we compile: define zeroext i8 @X(i8 signext %a, i8 signext %b) nounwind ssp { entry: %0 = tail call %0 @llvm.sadd.with.overflow.i8(i8 %a, i8 %b) %cmp = extractvalue %0 %0, 1 br i1 %cmp, label %if.then, label %if.end into: _X: ## @X ## BB#0: ## %entry subl $12, %esp movb 16(%esp), %al addb 20(%esp), %al jo LBB0_2 Before we were generating: _X: ## @X ## BB#0: ## %entry pushl %ebp movl %esp, %ebp subl $8, %esp movb 12(%ebp), %al testb %al, %al setge %cl movb 8(%ebp), %dl testb %dl, %dl setge %ah cmpb %cl, %ah sete %cl addb %al, %dl testb %dl, %dl setge %al cmpb %al, %ah setne %al andb %cl, %al testb %al, %al jne LBB0_2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122186 91177308-0d34-0410-b5e6-96231b3b80d8		2010-12-19 20:03:11 +00:00
..
Analysis	Make LazyValueInfo non-recursive.	2010-12-18 01:00:40 +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	MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> via an out parm.	2010-12-16 03:29:14 +00:00
Bitcode	Generalize the darwin wrapper hack to work with generic macho triples as well as darwin ones.	2010-11-29 23:29:54 +00:00
CodeGen	Remove some checks for StrongPHIElim. These checks make it impossible to use an	2010-12-19 18:03:27 +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	Fixed version of 122160 (the previous one would fold undefined symbols).	2010-12-19 04:18:56 +00:00
Object	Fix mismatched new[]/delete.	2010-12-17 09:56:50 +00:00
Support	Support/PathV1: Deprecate getLast.	2010-12-18 00:19:10 +00:00
Target	X86 supports i8/i16 overflow ops (except i8 multiplies), we should	2010-12-19 20:03:11 +00:00
Transforms	move a transformation to a more logical place, simplifying it.	2010-12-19 19:43:52 +00:00
VMCore	Add support to CallbackVH to receive notification when a Value's use-list changes.	2010-12-18 00:07:15 +00:00
Makefile	Add LLVMObject Library.	2010-11-15 03:21:41 +00:00