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4526 Commits

Author SHA1 Message Date
Chris Lattner
7e2e033e23 Fix a ppc long double regression I introduced yesterday due to a 
simplification.  This fixes automotive-basicmath on PPC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46072 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 17:59:31 +00:00
Chris Lattner
a66bb39e97 merge a few pieces of code that do the store/load to stack 
pattern to use EmitStackConvert now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46066 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 07:51:34 +00:00
Chris Lattner
1401d15c99 rename ExpandBIT_CONVERT to EmitStackConvert, generalizing 
it to allow it to emit different load and store kinds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46065 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 07:45:30 +00:00
Chris Lattner
23594d4537 simplify a bunch of code by using SelectionDAG::CreateStackTemporary 
instead of inlining its body.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46062 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 07:03:22 +00:00
Chris Lattner
f2670a89a7 Change legalizeop of FP_ROUND and FP_EXTEND to not fall through 
into the ANY_EXTEND/ZERO_EXTEND/SIGN_EXTEND code to simplify it.

Unmerge the code for FP_ROUND and FP_EXTEND from each other to 
make each one simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 06:57:07 +00:00
Chris Lattner
572dee71af Factor the ReachesChainWithoutSideEffects out of dag combiner into 
a public SDOperand::reachesChainWithoutSideEffects method.  No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46050 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-16 05:49:24 +00:00
Dale Johannesen
4af3494452 Fix and enable EH for x86-64 Darwin. Adds 
ShortenEHDataFor64Bits as a not-very-accurate
abstraction to cover all the changes in DwarfWriter.
Some cosmetic changes to Darwin assembly code for
gcc testsuite compatibility.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 23:24:56 +00:00
Owen Anderson
40a627ddf8 Move some calls to getVRegDef higher in the callgraph, so they don't get executed as frequently in performance sensitive code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:58:11 +00:00
Chris Lattner
034f12ea08 The type of the 'abort' node should be pointer type (because 
it's a function pointer) not MVT::Other.  This fixes builtin_trap
lowering on ppc, alpha, ia64


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:09:33 +00:00
Owen Anderson
7047dd4d22 Remove DefInst from LiveVariables::VarInfo. Use the facilities on MachineRegisterInfo instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 22:02:46 +00:00
Chris Lattner
41bab0beac Add support for targets that have a legal ISD::TRAP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 21:58:08 +00:00
Evan Cheng
4c46fc6bbf Oops. Forgot to commit this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46002 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:49:36 +00:00
Anton Korobeynikov
66fac79b89 For PR1839: add initial support for __builtin_trap. llvm-gcc part is missed 
as well as PPC codegen


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 07:02:33 +00:00
Evan Cheng
c67e6e8e82 ByVal stack slot alignment should be at least as large as pointer ABI alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-15 03:14:05 +00:00
Chris Lattner
459525df1e don't create the post-ra scheduler unless it is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 19:00:06 +00:00
Chris Lattner
a6c3f80d97 remove dead #include 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-14 18:45:28 +00:00
Duncan Sands
a41d719803 Remove the assumption that byval has been applied to 
a pointer to a struct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45939 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-13 21:19:59 +00:00
Chris Lattner
aad193a7e9 implement support for sinking a load out the bottom of a block that 
has no stores between the load and the end of block.  This works 
great and sinks hundreds of stores, but we can't turn it on because
machineinstrs don't have volatility information and we don't want to
sink volatile stores :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45894 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-12 00:17:41 +00:00
Chris Lattner
a22edc82ca Simplify the side effect stuff a bit more and make licm/sinking 
both work right according to the new flags.

This removes the TII::isReallySideEffectFree predicate, and adds
TII::isInvariantLoad. 

It removes NeverHasSideEffects+MayHaveSideEffects and adds
UnmodeledSideEffects as machine instr flags.  Now the clients
can decide everything they need.

I think isRematerializable can be implemented in terms of the
flags we have now, though I will let others tackle that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45843 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 23:08:24 +00:00
Chris Lattner
2445888208 Clamp down on sinking of lots of instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45841 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 22:35:15 +00:00
Duncan Sands
007f9847c4 Output sinl for a long double FSIN node, not sin. 
Likewise fix up a bunch of other libcalls.  While
there I remove NEG_F32 and NEG_F64 since they are
not used anywhere.  This fixes 9 Ada ACATS failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 10:28:30 +00:00
Evan Cheng
8480293f41 Only remat loads from immutable stack slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 08:24:38 +00:00
Evan Cheng
a07cec9e24 Simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45830 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 08:22:10 +00:00
Owen Anderson
c95f075c43 Don't use LiveVariables::VarInfo::DefInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45815 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 03:12:54 +00:00
Dale Johannesen
038129dd58 Emit unused EH frames for weak definitions on Darwin, 
because assembler/linker can't cope with weak absolutes.
PR 1880.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45811 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 02:03:30 +00:00
Owen Anderson
ddd060ffcf Get rid of all uses of LiveVariables::VarInfo::DefInst in favor of the equivalent API from 
MachineRegisterInfo.  Once all clients are switched over, the former will be going away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45805 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 01:36:43 +00:00
Owen Anderson
dc4d6558e4 Add more comments explaining the basics of how the decision of when to rename and when to insert 
copies is made.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45799 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:47:01 +00:00
Owen Anderson
b199cbec2e Get rid of the isKillInst predicate. LiveVariables already provides this information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45797 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:33:11 +00:00
Owen Anderson
9c2efa8a8f Copies need to be inserted before the first terminator, not at the end of the block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45791 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:01:41 +00:00
Evan Cheng
19107563af Special copy SUnit's do not have SDNode's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45787 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 23:01:55 +00:00
Owen Anderson
ec1213fbbb Clean up StrongPHIElimination a bit, and add some more comments to the internal structures. There's 
still more work to do on this front.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45783 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 22:40:54 +00:00
Owen Anderson
864e3a3762 StrongPHIElim: Now with even fewer trivial bugs! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45775 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 10:41:39 +00:00
Owen Anderson
719fef648d Fix an infinite recursion bug in InsertCopies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45774 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 10:32:30 +00:00
Owen Anderson
cb7d949a19 Fix some simple bugs. StrongPHIElimination now does not crash on 164.gzip. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45773 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 06:19:05 +00:00
Chris Lattner
07649d9265 Make load->store deletion a bit smarter. This allows us to compile this: 
void test(long long *P) { *P ^= 1; }

into just:

_test:
	movl	4(%esp), %eax
	xorl	$1, (%eax)
	ret

instead of code like this:

_test:
	movl	4(%esp), %ecx
        xorl    $1, (%ecx)
	movl	4(%ecx), %edx
	movl	%edx, 4(%ecx)
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45762 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 23:08:06 +00:00
Owen Anderson
0c5714bb99 Rename registers that do not need copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 21:54:52 +00:00
Owen Anderson
0d893b4038 Actually insert copies now! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 05:16:15 +00:00
Owen Anderson
0b4825c38b Oops, missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:32:09 +00:00
Owen Anderson
9e549202a0 Make some predicates static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:30:40 +00:00
Gordon Henriksen
c45d98d966 Pruning includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 13:30:38 +00:00
Chris Lattner
f14cf85e33 remove #includage 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:42:25 +00:00
Chris Lattner
749c6f6b5e rename TargetInstrDescriptor -> TargetInstrDesc. 
Make MachineInstr::getDesc return a reference instead
of a pointer, since it can never be null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 07:27:27 +00:00
Chris Lattner
3db805ea80 simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45693 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:47:00 +00:00
Chris Lattner
0ff23966fe Rename all the M_* flags to be namespace qualified enums, and switch 
all clients over to using predicates instead of these flags directly.
These are now private values which are only to be used to statically
initialize the tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:42:05 +00:00
Chris Lattner
e32d765f99 add more and significantly better comments to the rest of the machineinstr 
flags that can be set.  Add predicates for the ones lacking it, and switch
some clients over to using the predicates instead of Flags directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45690 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 06:21:53 +00:00
Chris Lattner
f86e1df877 simplify some code using new predicates 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:40:58 +00:00
Chris Lattner
8f707e15fb rename hasVariableOperands() -> isVariadic(). Add some comments. 
Evan, please review the comments I added to getNumDefs to make sure
that they are accurate, thx.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 05:19:29 +00:00
Chris Lattner
349c495200 Move a bunch more accessors from TargetInstrInfo to TargetInstrDescriptor 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 03:13:06 +00:00
Chris Lattner
ba6da5d5b7 remove some uses of MachineOpCode, move getSchedClass 
into TargetInstrDescriptor from TargetInstrInfo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:46:03 +00:00
Chris Lattner
8ca5c67c6e Add predicates methods to TargetOperandInfo, and switch all clients 
over to using them, instead of diddling Flags directly.  Change the
various flags from const variables to enums.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 02:39:19 +00:00