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Author SHA1 Message Date
Chris Lattner
3d6ccfba31 propagate MachinePointerInfo through various uses of the old 
SelectionDAG::getExtLoad overload, and eliminate it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 17:04:51 +00:00
Jim Grosbach
532baa5d53 Fix errant printing of [v]ldm instructions that aren't a pop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114445 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:45:31 +00:00
Benjamin Kramer
a53557e4fb Simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114444 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:41:29 +00:00
Chris Lattner
ecf42c4720 continue MachinePointerInfo'izing, eliminating use of one of the old 
getLoad overloads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:36:31 +00:00
Chris Lattner
fa45901eaa convert dagcombine off the old form of getLoad. This fixes several bugs 
with SVOffset computation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114442 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:08:50 +00:00
Benjamin Kramer
28b4afc103 Make CreateComplexVariable independent of SmallVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114439 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 16:00:03 +00:00
Chris Lattner
f165806655 simplify DAGCombiner::SimplifySelectOps step #2/2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114437 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 15:58:55 +00:00
Chris Lattner
1806161a0b substantially reduce indentation and simplify DAGCombiner::SimplifySelectOps. 
no functionality change (step #1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114436 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 15:46:59 +00:00
Mikhail Glushenkov
f41b75d85b Trailing whitespace, 80-col violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114435 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:50 +00:00
Mikhail Glushenkov
47e87db3a1 llvmc: split llvm_gcc_based into llvm_gcc_{pch,comp}_based. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114434 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:47 +00:00
Mikhail Glushenkov
46aa524f0d llvmc: Allow multiple output languages. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114433 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:42 +00:00
Mikhail Glushenkov
6d31c0b79a Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114432 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 14:59:34 +00:00
Lang Hames
0898291490 Fixed ambiguous call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114431 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:47:10 +00:00
Gabor Greif
8ff9bb189c Fix buglet when the TST instruction directly uses the AND result. 
I am unable to write a test for this case, help is solicited, though...
What I did is to tickle the code in the debugger and verify that we do the right thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114430 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:30:57 +00:00
Lang Hames
e9c935662d Added an additional PBQP problem builder which adds coalescing costs (both between pairs of virtuals, and between virtuals and physicals). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114429 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 13:19:36 +00:00
Gabor Greif
04ac81d5db Move the search for the appropriate AND instruction 
into OptimizeCompareInstr.
This necessitates the passing of CmpValue around,
so widen the virtual functions to accomodate.

No functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114428 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 12:01:15 +00:00
Mikhail Glushenkov
b4c7a12aea llvmc: put linker options in a separate OptList. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114427 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 11:57:04 +00:00
Chris Lattner
85ca106632 a few more trivial updates. This fixes PerformInsertVectorEltInMemory to not 
pass a completely incorrect SrcValue, which would result in a miscompile with
combiner-aa.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 07:32:19 +00:00
Chris Lattner
d1c24ed81c convert the targets off the non-MachinePointerInfo of getLoad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114410 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:44:06 +00:00
Chris Lattner
1daa6f479d add some accessors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114409 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:43:24 +00:00
Chris Lattner
e8639036b1 it's more elegant to put the "getConstantPool" and 
"getFixedStack" on the MachinePointerInfo class.  While
this isn't the problem I'm setting out to solve, it is the
right way to eliminate PseudoSourceValue, so lets go with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114406 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:22:23 +00:00
Chris Lattner
e467d168d0 ugh, missed a file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114405 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:16:40 +00:00
Chris Lattner
51abfe490b update the X86 backend to use the MachinePointerInfo version of one 
of the getLoad methods.  This fixes at least one bug where an incorrect
svoffset is passed in (a potential combiner-aa miscompile).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114404 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 06:02:19 +00:00
Chris Lattner
e54b482d1c Fix a bug where the x86 backend would lower memcpy/memset of segment relative operations 
into non-segment-relative copies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114402 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:43:34 +00:00
Chris Lattner
e72f2027e9 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo 
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114401 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:40:29 +00:00
Chris Lattner
40a858f6e7 add some helpful accessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114400 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:39:30 +00:00
Chris Lattner
5c5cb2a171 add overloads for SelectionDAG::getLoad, getStore, getTruncStore that take a 
MachinePointerInfo.  Among other virtues, this doesn't silently  truncate the
svoffset to 32-bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114399 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 05:10:45 +00:00
Chris Lattner
e9ba5dd236 simplify interface to SelectionDAG::getMemIntrinsicNode, making it take a MachinePointerInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114397 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:57:15 +00:00
Chris Lattner
60bddc8bcd chagne interface to SelectionDAG::getAtomic to take a MachinePointerInfo, 
eliminating some weird "infer a frame address" logic which was dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114396 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:53:42 +00:00
Chris Lattner
0531356e4d don't implicitly drop the offset of a machinememoperand when legalizing atomics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114395 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:51:11 +00:00
Chris Lattner
93a95ae8a9 force clients of MachineFunction::getMachineMemOperand to provide a 
MachinePointerInfo, propagating the type out a level of API.  Remove
the old MachineFunction::getMachineMemOperand impl.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114393 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:46:39 +00:00
Chris Lattner
59db5496f4 convert targets to the new MF.getMachineMemOperand interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114391 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:39:43 +00:00
Chris Lattner
da39c39644 start pushing MachinePointerInfo out through the MachineMemOperand interface 
to the MachineFunction construction methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114390 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:32:08 +00:00
Chris Lattner
e8e2e80f40 refactor the Value*/offset pair from MachineMemOperand out to a new 
MachinePointerInfo struct, no functionality change.

This also adds an assert to MachineMemOperand::MachineMemOperand
that verifies that the Value* is either null or is an IR pointer type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114389 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:23:39 +00:00
Chris Lattner
22481f2ea1 random cruft in my tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114387 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 04:03:39 +00:00
Chris Lattner
08bad54baf fix rdar://8453210, a crash handling a call through a GS relative load. 
For now, just disable folding the load into the call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114386 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 03:37:00 +00:00
Rafael Espindola
aa359bddbf Revert unrelated change that was accidentally included in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114383 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 00:40:19 +00:00
Rafael Espindola
f7c10a3cff Implement support for .local and its "interesting" interactions with .comm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114382 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-21 00:24:38 +00:00
Evan Cheng
44be1a8d66 Enable machine sinking critical edge splitting. e.g. 
define double @foo(double %x, double %y, i1 %c) nounwind {
  %a = fdiv double %x, 3.2
  %z = select i1 %c, double %a, double %y
  ret double %z
}

Was:
_foo:
        divsd   LCPI0_0(%rip), %xmm0
        testb   $1, %dil
        jne     LBB0_2
        movaps  %xmm1, %xmm0
LBB0_2:
        ret

Now:
_foo:
        testb   $1, %dil
        je      LBB0_2
        divsd   LCPI0_0(%rip), %xmm0
        ret
LBB0_2:
        movaps  %xmm1, %xmm0
        ret

This avoids the divsd when early exit is taken.
rdar://8454886


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 22:52:00 +00:00
Dan Gohman
e3c65d1ede Relax this check to silently swallow FE_INEXACT, following directions 
from rdar://8452472. This unbreaks gcc.dg/builtins-17.c.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114368 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 22:32:25 +00:00
Owen Anderson
765fd9c62d CombinerAA is now reordering these stores. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114354 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 20:56:29 +00:00
Owen Anderson
4a9f150926 When TCO is turned on, it is possible to end up with aliasing FrameIndex's. Therefore, 
CombinerAA cannot assume that different FrameIndex's never alias, but can instead use
MachineFrameInfo to get the actual offsets of these slots and check for actual aliasing.

This fixes CodeGen/X86/2010-02-19-TailCallRetAddrBug.ll and CodeGen/X86/tailcallstack64.ll
when CombinerAA is enabled, modulo a different register allocation sequence.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114348 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 20:39:59 +00:00
Jim Grosbach
1dc335a79f Simplify ARM callee-saved register handling by removing the distinction 
between the high and low registers for prologue/epilogue code. This was
a Darwin-only thing that wasn't providing a realistic benefit anymore.
Combining the save areas simplifies the compiler code and results in better
ARM/Thumb2 codegen.

For example, previously we would generate code like:
        push    {r4, r5, r6, r7, lr}
        add     r7, sp, #12
        stmdb   sp!, {r8, r10, r11}
With this change, we combine the register saves and generate:
        push    {r4, r5, r6, r7, r8, r10, r11, lr}
        add     r7, sp, #12

rdar://8445635



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114340 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 19:32:20 +00:00
Rafael Espindola
43779dcfef Produce a R_X86_64_32 when the value is >=0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114339 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 19:20:47 +00:00
Evan Cheng
7af6dc47a5 Avoid splitting critical edge twice for a set of PHI uses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114338 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 19:12:55 +00:00
Francois Pichet
345adbe572 Fix the "unable to rename temporary" lit test failing on Windows. rename is now copy + delete on Windows. Problem to be revisited for a permanent and clean solution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114320 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 04:03:07 +00:00
Chris Lattner
209b257c68 fix a bug I introduced back in the hayday of version #2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114319 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 03:58:32 +00:00
NAKAMURA Takumi
e6af80d11d test/CodeGen/X86: Add explicit triplet -mtriple=i686-linux to 3 tests incompatible to Win32 codegen. 
r114297 raises 3 failures. They might fail also on mingw.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114317 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-19 21:58:55 +00:00
Owen Anderson
0dcc814276 Revert r114312 while I sort out some issues. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114313 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-19 21:01:26 +00:00
Owen Anderson
d910fb2f12 Tentatively enabled DAGCombiner Alias Analysis by default. As far as I know, 
r114268 fixed the last of the blockers to enabling it.  I will be monitoring
for failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114312 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-19 19:51:55 +00:00