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2 Commits

Author SHA1 Message Date
Chris Lattner
e51c23341d actually run llc, thanks Dan :) 
llvm-svn: 47677
 2008-02-27 17:46:54 +00:00
Chris Lattner
1f46cc2345 Make X86TargetLowering::LowerSINT_TO_FP return without creating a dead 
stack slot and store if the  SINT_TO_FP is actually legal.  This allows
us to compile:

double a(double b) {return (unsigned)b;}

to:

_a:
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	ret

instead of:

_a:
	subq	$8, %rsp
	cvttsd2siq	%xmm0, %rax
	movl	%eax, %eax
	cvtsi2sdq	%rax, %xmm0
	addq	$8, %rsp
	ret

crazy.

llvm-svn: 47660
 2008-02-27 05:57:41 +00:00