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6499 Commits

Author SHA1 Message Date
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
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
Nick Lewycky
529de8a457 Update the block cloner which fixes bugpoint on code using unwind_to (phew!) 
and also update the cloning interface's major user, the loop optimizations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48088 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 05:24:34 +00:00
Nick Lewycky
c6694228fa Two things. Preserve the unwind_to when splitting a BB. 
Add the ability to remove just one instance of a BB from a phi node. This fixes
the compile error in the tree now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48085 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-09 05:04:48 +00:00
Nick Lewycky
6c36a0f9ee Not all users of a BB are Instructions any more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48047 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 07:48:41 +00:00
Dan Gohman
cdff0d6b04 Remove unused runPass methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 01:43:56 +00:00
Evan Cheng
27b7db549e Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48042 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-08 00:58:38 +00:00
Dan Gohman
4e35595368 There is no killUse. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48034 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 22:24:41 +00:00
Devang Patel
c6791d9fca Add new sretpromotion pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 21:07:34 +00:00
Devang Patel
22a8a734e9 RetVal is not used when there are more then one return operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48022 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 20:08:07 +00:00
Andrew Lenharth
d245a8ae47 add a pass that can extract all kinds of global values, not just functions. Update llvm-extract to use it and optionally extract a global variable if you want it too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48015 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 19:51:57 +00:00
Gordon Henriksen
bbf1c514bd Cleanup some comments in the OCaml bindings. 
Patch by Erick Tryzelaar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-07 19:13:06 +00:00
Bill Wendling
ed1fcd8987 When setting the "unused" info, take into account something like this: 
%r3<def> = OR %x3<kill>, %x3

We don't want to mark the %r3 as unused even though it's a sub-register of %x3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 23:22:43 +00:00
Gabor Greif
29d8aa7877 fix typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 10:36:00 +00:00
Nick Lewycky
cd943e4317 Treat BBs that use BBs as proper predecessors and successors in the CFG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47989 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-06 06:54:53 +00:00
Dale Johannesen
0ea0356dff Clarify that CALLSEQ_START..END may not be nested, 
and add some protection against creating such.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 19:14:03 +00:00
Evan Cheng
6fd599fa69 Add a target lowering hook to control whether it's worthwhile to compress fp constant. 
For x86, if sse2 is available, it's not a good idea since cvtss2sd is slower than a movsd load and it prevents load folding. On x87, it's important to shrink fp constant since fldt is very expensive.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:30:59 +00:00
Dan Gohman
d91446de7a Codegen support for i128 SINT_TO_FP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 01:08:17 +00:00
Evan Cheng
6130f66eaa Refactor code. Remove duplicated functions that basically do the same thing as 
findRegisterUseOperandIdx, findRegisterDefOperandIndx. Fix some naming inconsistencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-05 00:59:57 +00:00
Devang Patel
552ec65ebd Revert SmallVector ctor variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47908 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 21:54:56 +00:00
Devang Patel
52f8ed8368 Add FunctionType ctor variant that takes SmallVector params. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47895 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 18:57:05 +00:00
Evan Cheng
39dd768b2a Fix 80 column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 03:19:19 +00:00
Evan Cheng
917be6814e Rename isOperand() to isOperandOf() (and other similar methods). It always confuses me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47872 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-04 00:41:45 +00:00
Bill Wendling
7194aaf738 This is the initial check-in for adding register scavenging to PPC. (Currently, 
PPC-64 doesn't work.) This also lowers the spilling of the CR registers so that
it uses a register other than the default R0 register (the scavenger scrounges
for one). A significant part of this patch fixes how kill information is
handled.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 22:19:16 +00:00
Devang Patel
41e2397b72 s/isReturnStruct()/hasStructRetAttr()/g 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 21:46:28 +00:00
Chris Lattner
1a091447f4 Stub out a Path::GetMainExecutable call to find the path to the 
main executable of a program.  This needs to be implemented on windows.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47835 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-03 02:55:43 +00:00
Chris Lattner
4fa01441d5 make operand accessors const-correct 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 05:32:05 +00:00
Chris Lattner
8728f1915f Add a new ShuffleVectorInst::getMaskValue method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47813 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 05:28:33 +00:00
Nick Lewycky
fc82fabe00 Add an unwind_to field to basic blocks, making them Users instead of Values. 
This is the first checkin for PR1269, the new EH infrastructure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47802 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-02 02:48:09 +00:00
Dale Johannesen
3c8b59c546 Add MVT::is128BitVector and is64BitVector. Shrink 
unaligned load/store code using them.  Per review
of unaligned load/store vector patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47782 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-03-01 03:40:57 +00:00
Devang Patel
ca891ecf91 Add pass to promote sret. 
This pass transforms 

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal void @foo(%struct._Point* sret  %agg.result)

into

  %struct._Point = type { i32, i32, i32, i32, i32, i32 }
  define internal %struct._Point @foo()

This pass updates foo() clients appropriately to use
getresult instruction to extract return values.

This pass is not yet ready for prime time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47776 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 23:34:08 +00:00
Anton Korobeynikov
8213f9cf94 Use enumeration for preffered EH dwarf encoding reason 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47770 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 22:09:08 +00:00
Evan Cheng
05548eb174 Don't fill eh frames even though these are text sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47765 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 19:36:59 +00:00
Dan Gohman
cf609575ef Add support to APInt for shift and rotate operations with APInt 
instead of uint32_t for the shift/rotate count operand type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:40:47 +00:00
Dan Gohman
93c276e1c9 Add a method to APFloat to convert directly from APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-29 01:26:11 +00:00
Dale Johannesen
28d08fdb9f Interface of getByValTypeAlignment differed between 
generic & x86 versions; change generic to follow x86
and improve comments.  Add PPC version (not right
for non-Darwin.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 22:31:51 +00:00
Duncan Sands
59c2e868ff Document that the shuffle mask may contain undef 
values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 17:12:11 +00:00
Evan Cheng
fb8075d03f Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-28 00:43:03 +00:00
Devang Patel
26c22cfbcd Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:51 +00:00
Anton Korobeynikov
cee750fb1e Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 23:33:50 +00:00
Anton Korobeynikov
351b0d4e4e Assert on invalid PHINode::addIncoming() arguments. Patch by Erick Tryzelaar! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:37:28 +00:00
Nick Kledzik
ef194ed740 fixes from review of first commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47695 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 22:25:36 +00:00
Evan Cheng
21b3f31f8f Fix a bug in dead spill slot elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47687 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 19:57:11 +00:00
Dan Gohman
e8ae2fe2a8 Add -analyze support to postdomtree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47680 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 18:38:29 +00:00
Duncan Sands
4f069e6db1 LegalizeTypes support for INSERT_VECTOR_ELT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47669 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:18:23 +00:00
Evan Cheng
be680dcea6 Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47668 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 10:04:56 +00:00
Bill Wendling
6ef781f3ce Final de-tabification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47663 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:33:05 +00:00
Chris Lattner
e1b332a304 Add path separator support, patch by Sam Bishop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 06:17:10 +00:00
Evan Cheng
d36531249a Spiller now remove unused spill slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 03:04:06 +00:00
Dan Gohman
b3564aa836 Convert the last remaining users of the non-APInt form of 
ComputeMaskedBits to use the APInt form, and remove the
non-APInt form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47654 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-02-27 01:23:58 +00:00