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6439 Commits

Author SHA1 Message Date
Bill Wendling
b33eee09d2 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.

llvm-svn: 48003
 2008-03-06 23:22:43 +00:00
Gabor Greif
d746841e93 fix typos 
llvm-svn: 47994
 2008-03-06 10:36:00 +00:00
Nick Lewycky
5f274047bd Treat BBs that use BBs as proper predecessors and successors in the CFG. 
llvm-svn: 47989
 2008-03-06 06:54:53 +00:00
Dale Johannesen
8322b6fb70 Clarify that CALLSEQ_START..END may not be nested, 
and add some protection against creating such.

llvm-svn: 47957
 2008-03-05 19:14:03 +00:00
Evan Cheng
e0b3c221ab 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.

llvm-svn: 47931
 2008-03-05 01:30:59 +00:00
Dan Gohman
b987fe16e4 Codegen support for i128 SINT_TO_FP. 
llvm-svn: 47928
 2008-03-05 01:08:17 +00:00
Evan Cheng
18064ddb5b Refactor code. Remove duplicated functions that basically do the same thing as 
findRegisterUseOperandIdx, findRegisterDefOperandIndx. Fix some naming inconsistencies.

llvm-svn: 47927
 2008-03-05 00:59:57 +00:00
Devang Patel
26d0fac377 Revert SmallVector ctor variants. 
llvm-svn: 47908
 2008-03-04 21:54:56 +00:00
Devang Patel
27426dedc0 Add FunctionType ctor variant that takes SmallVector params. 
llvm-svn: 47895
 2008-03-04 18:57:05 +00:00
Evan Cheng
acb7d77409 Fix 80 column violations. 
llvm-svn: 47877
 2008-03-04 03:19:19 +00:00
Evan Cheng
b5b16810ac Rename isOperand() to isOperandOf() (and other similar methods). It always confuses me. 
llvm-svn: 47872
 2008-03-04 00:41:45 +00:00
Bill Wendling
8d64999daf 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.

llvm-svn: 47863
 2008-03-03 22:19:16 +00:00
Devang Patel
d0d7028a2b s/isReturnStruct()/hasStructRetAttr()/g 
llvm-svn: 47857
 2008-03-03 21:46:28 +00:00
Chris Lattner
5b84600196 Stub out a Path::GetMainExecutable call to find the path to the 
main executable of a program.  This needs to be implemented on windows.

llvm-svn: 47835
 2008-03-03 02:55:43 +00:00
Chris Lattner
d1fc75add0 make operand accessors const-correct 
llvm-svn: 47814
 2008-03-02 05:32:05 +00:00
Chris Lattner
ffde7a642a Add a new ShuffleVectorInst::getMaskValue method. 
llvm-svn: 47813
 2008-03-02 05:28:33 +00:00
Nick Lewycky
b02fe64d8b 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.

llvm-svn: 47802
 2008-03-02 02:48:09 +00:00
Dale Johannesen
cfd005f2ea Add MVT::is128BitVector and is64BitVector. Shrink 
unaligned load/store code using them.  Per review
of unaligned load/store vector patch.

llvm-svn: 47782
 2008-03-01 03:40:57 +00:00
Devang Patel
cb72d92471 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.

llvm-svn: 47776
 2008-02-29 23:34:08 +00:00
Anton Korobeynikov
875da2420a Use enumeration for preffered EH dwarf encoding reason 
llvm-svn: 47770
 2008-02-29 22:09:08 +00:00
Evan Cheng
5beb036eab Don't fill eh frames even though these are text sections. 
llvm-svn: 47765
 2008-02-29 19:36:59 +00:00
Dan Gohman
2b8022a8c6 Add support to APInt for shift and rotate operations with APInt 
instead of uint32_t for the shift/rotate count operand type.

llvm-svn: 47741
 2008-02-29 01:40:47 +00:00
Dan Gohman
45a26a462f Add a method to APFloat to convert directly from APInt. 
llvm-svn: 47738
 2008-02-29 01:26:11 +00:00
Dale Johannesen
310201ba32 Interface of getByValTypeAlignment differed between 
generic & x86 versions; change generic to follow x86
and improve comments.  Add PPC version (not right
for non-Darwin.)

llvm-svn: 47734
 2008-02-28 22:31:51 +00:00
Duncan Sands
6a4acca399 Document that the shuffle mask may contain undef 
values.

llvm-svn: 47719
 2008-02-28 17:12:11 +00:00
Evan Cheng
f8b1257d2e Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to 16-byte boundaries. 
llvm-svn: 47703
 2008-02-28 00:43:03 +00:00
Devang Patel
351830e819 Remove dead code. 
llvm-svn: 47700
 2008-02-27 23:33:51 +00:00
Anton Korobeynikov
7bd4b77e30 Preparation step for some cleanup/generalization in EH information emission: 
provide TAI hook for selection of EH data emission format. Currently unused.

llvm-svn: 47699
 2008-02-27 23:33:50 +00:00
Anton Korobeynikov
ecfe55a801 Assert on invalid PHINode::addIncoming() arguments. Patch by Erick Tryzelaar! 
llvm-svn: 47697
 2008-02-27 22:37:28 +00:00
Nick Kledzik
f32192eb76 fixes from review of first commit 
llvm-svn: 47695
 2008-02-27 22:25:36 +00:00
Evan Cheng
da92e34fe3 Fix a bug in dead spill slot elimination. 
llvm-svn: 47687
 2008-02-27 19:57:11 +00:00
Dan Gohman
0cfccf801d Add -analyze support to postdomtree. 
llvm-svn: 47680
 2008-02-27 18:38:29 +00:00
Duncan Sands
cadfe810f3 LegalizeTypes support for INSERT_VECTOR_ELT. 
llvm-svn: 47669
 2008-02-27 10:18:23 +00:00
Evan Cheng
295ae42ede Don't track max alignment during stack object allocations since they can be deleted later. Let PEI compute it. 
llvm-svn: 47668
 2008-02-27 10:04:56 +00:00
Bill Wendling
2cae66e28b Final de-tabification. 
llvm-svn: 47663
 2008-02-27 06:33:05 +00:00
Chris Lattner
d2a01e1994 Add path separator support, patch by Sam Bishop. 
llvm-svn: 47662
 2008-02-27 06:17:10 +00:00
Evan Cheng
7553230e3a Spiller now remove unused spill slots. 
llvm-svn: 47657
 2008-02-27 03:04:06 +00:00
Dan Gohman
938e74654b Convert the last remaining users of the non-APInt form of 
ComputeMaskedBits to use the APInt form, and remove the
non-APInt form.

llvm-svn: 47654
 2008-02-27 01:23:58 +00:00
Devang Patel
c68e26f9fe Add comment. 
llvm-svn: 47653
 2008-02-27 01:20:54 +00:00
Dan Gohman
689d8cac04 Convert SimplifyDemandedMask and ShrinkDemandedConstant to use APInt. 
Change several cases in SimplifyDemandedMask that don't ever do any
simplifying to reuse the logic in ComputeMaskedBits instead of
duplicating it.

llvm-svn: 47648
 2008-02-27 00:25:32 +00:00
Devang Patel
5c00c6bafa Remove unncessary ReturnInst constructors. 
llvm-svn: 47633
 2008-02-26 22:12:58 +00:00
Bill Wendling
8fb166bf6c Rename PrintableName to Name. 
llvm-svn: 47629
 2008-02-26 21:47:57 +00:00
Anton Korobeynikov
ba0d97969e Update per review. Patch by Mikhail Glushenkov! 
llvm-svn: 47628
 2008-02-26 21:44:24 +00:00
Bill Wendling
50f5c4be14 Change "Name" to "AsmName" in the target register info. Gee, a refactoring tool 
would have been a Godsend here!

llvm-svn: 47625
 2008-02-26 21:11:01 +00:00
Nick Kledzik
7ebb5aa81a first commit of new LTO system. It is not hooked up in the llvm/tools/Makefile, so no one will build it be default yet 
llvm-svn: 47621
 2008-02-26 20:26:43 +00:00
Devang Patel
0be97b2118 Use SmallVector while constructing ReturnInst. 
llvm-svn: 47619
 2008-02-26 19:38:17 +00:00
Devang Patel
e5766a12da Avoid const_casts 
llvm-svn: 47616
 2008-02-26 19:15:26 +00:00
Devang Patel
6d492c3caf Remove unnecessary getOperand/setOperand overriders. 
Simplify getReturnValue()

llvm-svn: 47614
 2008-02-26 19:08:13 +00:00
Devang Patel
e0f9c6f281 Unify to ReturnInst::init() member functions. 
llvm-svn: 47611
 2008-02-26 18:49:29 +00:00
Devang Patel
b35d15edf9 Optimize most common case by using single RetVal in ReturnInst. 
llvm-svn: 47607
 2008-02-26 17:56:20 +00:00