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82e4289fc7
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22249 Commits

Author SHA1 Message Date
Dale Johannesen
82e4289fc7 Disable prolog code that aligns the stack when a 
local object of >16 byte alignment exists.  It does not
work and getting it to work is not trivial, as explained
in the comment.  This fixes all the remaining ppc32
failures in the struct-layout-1 part of the gcc testsuite.

(gcc does not support this either, and the only way to
get such an object is with __attribute__((aligned)) or
generic vectors; it can't be done in a standard-conforming
program, or with Altivec.  So I think disabling it is OK.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48188 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:59:46 +00:00
Bill Wendling
4a66e9a57e Change the "enable/disable" mechanism so that we can enable PPC register 
scavenging for 32-bit and 64-bit separately.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48186 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:49:16 +00:00
Anton Korobeynikov
ed61c0bc76 Add sanity checks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48184 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:36:53 +00:00
Anton Korobeynikov
b8cdaf7099 Typo: 'function' => 'alias' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48183 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:36:35 +00:00
Anton Korobeynikov
817bf2aeb2 Syntactic sugar'ify stuff :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48182 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:36:08 +00:00
Anton Korobeynikov
aeb09967fd Always run 'make check' :) Fix fallout from prev. commit: query for possible 
alias destination only if we don't have anything to link to


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48181 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:35:31 +00:00
Anton Korobeynikov
1438b9dd82 Make error messages to have common style 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48180 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:34:46 +00:00
Anton Korobeynikov
01f6939935 Properly link globals with aliases 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48179 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:34:28 +00:00
Anton Korobeynikov
968e39a5ab Remove the LinkGlobal weirderness in common linking phase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48177 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:33:53 +00:00
Anton Korobeynikov
2b48ef0450 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48176 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 22:33:22 +00:00
Evan Cheng
a3413804f4 If the register allocator ran out of registers, just abort for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48175 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 21:27:20 +00:00
Chris Lattner
8e6da15e54 Eliminate the FP_GET_ST0/FP_SET_ST0 target-specific dag nodes, just lower to 
copyfromreg/copytoreg instead.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48174 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 21:08:41 +00:00
Dan Gohman
76c605b18e Fix mul expansion to check the correct number of bits for 
zero extension when checking if an unsigned multiply is
safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48171 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 20:42:19 +00:00
Evan Cheng
62fcc41d95 Somewhat better solution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48170 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 19:58:22 +00:00
Evan Cheng
d2cde68855 Default ISD::PREFETCH to expand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48169 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 19:38:10 +00:00
Evan Cheng
4499e495ea Revert 48125, 48126, and 48130 for now to unbreak some x86-64 tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48167 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 19:31:26 +00:00
Chris Lattner
cb341de0e2 fix 80 col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48166 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:55:53 +00:00
Devang Patel
b8f198af1b Restore optimization that merges blocks when inline function 
has single return value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48162 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:34:00 +00:00
Devang Patel
641ca93cff Simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48161 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:22:16 +00:00
Devang Patel
7498f90926 simplify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48160 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 18:11:41 +00:00
Nicolas Geoffray
9348c69dcf Stylistic modifications. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48158 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 17:46:45 +00:00
Scott Michel
78c47fa50b Integer comparison tests for CellSPU. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48152 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 16:58:52 +00:00
Duncan Sands
08bfe26f5a Fix formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48151 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 16:38:37 +00:00
Scott Michel
5b8f82e35b Give TargetLowering::getSetCCResultType() a parameter so that ISD::SETCC's 
return ValueType can depend its operands' ValueType.

This is a cosmetic change, no functionality impacted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48145 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 15:42:14 +00:00
Nicolas Geoffray
0404cd97e4 Add description of individual bits in CR. This fix PR1765. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48143 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 14:12:10 +00:00
Bill Wendling
074223a124 Minor cleanup. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48142 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 08:13:01 +00:00
Evan Cheng
4ff3f1cc57 - Fix a subtle bug in RemoveCopyByCommutingDef. ALR is the live range where the source is defined; BLR is the live range which is defined by the copy. 
If ALR and BLR overlaps and end of BLR extends beyond end of ALR, e.g.                                                                                                 
 A = or A, B                                                                                                                                                            
 ...                                                                                                                                                                    
 B = A                                                                                                                                                                  
 ...                                                                                                                                                                    
 C = A<kill>                                                                                                                                                            
 ...                                                                                                                                                                    
   = B                                                                                                                                                                  
                                                                                                                                                                        
then do not add kills of A to the newly created B interval.
- Also fix some kill info update bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48141 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 08:11:32 +00:00
Evan Cheng
ff247d2ed4 Doh 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48140 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 07:59:01 +00:00
Owen Anderson
eb37ecc882 Move StrongPHIElimination after live interval analysis. This will make things happier down the road. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48138 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 07:22:36 +00:00
Evan Cheng
f79e60649a Avoid creating BUILD_VECTOR of all zero elements of "non-normalized" type (e.g. v8i16 on x86) after legalizer. Instruction selection does not expect to see them. In all likelihood this can only be an issue in a bugpoint reduced test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48136 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 07:19:13 +00:00
Christopher Lamb
3feb0170a8 Allow insert_subreg into implicit, target-specific values. 
Change insert/extract subreg instructions to be able to be used in TableGen patterns.
Use the above features to reimplement an x86-64 pseudo instruction as a pattern.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48130 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 06:12:08 +00:00
Nick Lewycky
7e93e16193 Update the .cvs files to match today's asm syntax change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48128 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 05:01:34 +00:00
Nick Lewycky
9be3c97183 Turn unwind_to into "unwinds to". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48123 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 02:20:00 +00:00
Dale Johannesen
b8cafe3427 Increase ISD::ParamFlags to 64 bits. Increase the ByValSize 
field to 32 bits, thus enabling correct handling of ByVal
structs bigger than 0x1ffff.  Abstract interface a bit.
Fixes gcc.c-torture/execute/pr23135.c and 
gcc.c-torture/execute/pr28982b.c in gcc testsuite (were ICE'ing
on ppc32, quietly producing wrong code on x86-32.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48122 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-10 02:17:22 +00:00
Chris Lattner
dc9971a2e3 Darwin PPC64 indirect call target goes in X12, not R12. This fixes these 
two regression tests:
test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert.ll
test/CodeGen/PowerPC/2007-10-21-LocalRegAllocAssert2.ll



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48120 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 20:49:33 +00:00
Chris Lattner
5e09da236e cell really does support cross-regclass moves, because R3 is in lots of different regclasses, and the code is not consistent when it comes to value tracking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48119 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 20:31:11 +00:00
Chris Lattner
68a0d0984d make sure ar.pfs is in a register class, this fixes test/CodeGen/IA64/ret-0.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48118 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 20:12:44 +00:00
Chris Lattner
4c55c633d9 remove an extraneous (and ugly) default argument, thanks Duncan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48117 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 20:04:36 +00:00
Ted Kremenek
58d5e05157 Fix some compilation errors on msvc: 
- "Redefinition of I" (iterator masks previous definition)
- include missing header file

Patch by Argiris Kirtzidis!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48115 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 18:32:50 +00:00
Nick Lewycky
3c4a26226f And again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48112 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 17:13:05 +00:00
Nick Lewycky
f336983bbc Braces belong here. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48111 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 17:11:18 +00:00
Nick Lewycky
a66696ef0d SCCP also needs to be taught to follow unwind_to 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48109 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 09:44:38 +00:00
Chris Lattner
4468c1fd1c fp_round's produced by getCopyFromParts should always be exact, because 
they are produced by calls (which are known exact) and by cross block copies
which are known to be produced by extends.

This improves:

define double @test2() {
	%tmp85 = call double asm sideeffect "fld0", "={st(0)}"()
	ret double %tmp85
}

from:

_test2:
	subl	$20, %esp
	# InlineAsm Start
	fld0
	# InlineAsm End
	fstpl	8(%esp)
	movsd	8(%esp), %xmm0
	movsd	%xmm0, (%esp)
	fldl	(%esp)
	addl	$20, %esp
	#FP_REG_KILL
	ret

to:

_test2:
	# InlineAsm Start
	fld0
	# InlineAsm End
	#FP_REG_KILL
	ret

by avoiding a f64 <-> f80 trip



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48108 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 09:38:46 +00:00
Chris Lattner
f30e1cf9b7 teach X86InstrInfo::copyRegToReg how to copy into ST(0) from 
an RFP register class.

Teach ScheduleDAG how to handle CopyToReg with different src/dst 
reg classes.

This allows us to compile trivial inline asms that expect stuff
on the top of x87-fp stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48107 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 09:15:31 +00:00
Nick Lewycky
9143699260 Don't eliminate blocks that are only reachable by unwind_to. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48106 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 08:50:23 +00:00
Chris Lattner
02b6d25a27 Add ScheduleDAG support for copytoreg where the src/dst register are 
in different register classes, e.g. copy of ST(0) to RFP*.  This gets
some really trivial inline asm working that plops things on the top of
stack (PR879)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48105 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 08:49:15 +00:00
Chris Lattner
5c927500c8 add some code to support cross-register class copying from 
RST -> RFP{32/64/80}.  We only handle ST(0) for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48104 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 08:46:19 +00:00
Chris Lattner
90b347dc90 rearrange some code, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48101 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 07:58:04 +00:00
Chris Lattner
d9c4c450bf fix 80 col violation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48100 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 07:51:01 +00:00
Nick Lewycky
3f4cc3101e Firstly, having a BranchInst isn't exclusive with having an unwind_to. 
Secondly, we have to check whether the branch is actually pointing to the block
with the unwind in it. We could have gotten here because of the unwind_to alone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 07:50:37 +00:00