maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
110,609 Commits 23 Branches 0 Tags 2.2 GiB
Commit Graph

3 Commits

Author SHA1 Message Date
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Rafael Espindola 4606b12108 Don't force promotion of return arguments on the callee. 
Some architectures (like x86) don't require it.
This fixes bug 3779.

llvm-svn: 67132
 2009-03-17 23:43:59 +00:00
Chris Lattner a9ab165b08 Teach CodeGenPrepare to look through Bitcast instructions when attempting to 
optimize addressing modes.  This allows us to optimize things like isel-sink2.ll
into:

	movl	4(%esp), %eax
	cmpb	$0, 4(%eax)
	jne	LBB1_2	## F
LBB1_1:	## TB
	movl	$4, %eax
	ret
LBB1_2:	## F
	movzbl	7(%eax), %eax
	ret

instead of:

_test:
	movl	4(%esp), %eax
	cmpb	$0, 4(%eax)
	leal	4(%eax), %eax
	jne	LBB1_2	## F
LBB1_1:	## TB
	movl	$4, %eax
	ret
LBB1_2:	## F
	movzbl	3(%eax), %eax
	ret

This shrinks (e.g.) 403.gcc from 1133510 to 1128345 lines of .s.

Note that the 2008-10-16-SpillerBug.ll testcase is dubious at best, I doubt
it is really testing what it thinks it is.

llvm-svn: 60068
 2008-11-26 00:26:16 +00:00