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Author SHA1 Message Date
Torok Edwin
2d0f1c57c3 APInt's countLeadingOnes() was broken for negative i128 values, 
causing assertion failures in getSExtValue().
Fix it by making highWordBits actually contain what its name says,
and add some more unit-tests for APInt.
This fixes PR3419.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 18:06:03 +00:00
Dan Gohman
101a90f3d3 Make some comments doxygen-friendly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63104 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 17:28:23 +00:00
Owen Anderson
26562de2ef Make the pre-split-limit option more useful by using a per-function counter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 05:01:15 +00:00
Evan Cheng
6a86bd71df Implement multiple with overflow by 2 with an add instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 03:30:42 +00:00
Evan Cheng
ccc497f152 Forgot this test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 02:59:39 +00:00
Dan Gohman
e8ecf4876a Eliminate unnecessary operands-list traversals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63088 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 02:37:43 +00:00
Dan Gohman
49237f04a8 Add a FrontendC testcase for the x86-64 Red Zone feature, 
to help verify that the feature may be disabled through
the -mno-red-zone option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63079 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:59:55 +00:00
Dan Gohman
499cb3fcfb Enable the red zone on x86-64 by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:58:47 +00:00
Devang Patel
ad165bec1d Assorted debug info fixes. 
- DW_AT_bit_size is only suitable for bitfields.
- Encode source location info for derived types.
- Source location and type size info is not useful for subroutine_type (info is included in respective DISubprogram) and array_type.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:45:04 +00:00
Dan Gohman
4e1fae5125 Add a regression test for x86-64 red zone usage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63075 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:40:27 +00:00
Dan Gohman
336b636dd7 Fix the Red Zone calculation for functions with frame pointers. 
Don't use the Red Zone when dynamic stack realignment is needed.
This could be implemented, but most x86-64 ABIs don't require
dynamic stack realignment so it isn't urgent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:40:06 +00:00
Dan Gohman
d9660b5f9e Add an svn:ignore property. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-27 00:37:09 +00:00
Evan Cheng
b9f66cfadf No need to keep size of DebugLocations vector separately. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63070 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 23:47:30 +00:00
Dale Johannesen
8bca3b7664 Testcase for 6522054. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 23:22:19 +00:00
Scott Michel
9de57a9ed2 CellSPU: 
- Update DWARF debugging support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63059 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:33:37 +00:00
Scott Michel
210de72cd7 Make the Dwarf macro information section optional; CellSPU's assembler 
doesn't support it. The default is set to 'true', so this should not
impact any other target backends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63058 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:32:51 +00:00
Dan Gohman
92f4f16a19 Implement Red Zone utilization on x86-64. This is currently 
disabled by default; I'll enable it when I hook it up with
the llvm-gcc flag which controls it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:22:31 +00:00
Steve Naroff
609eef258f More updates to VC proj... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 22:03:42 +00:00
Owen Anderson
b4b8436381 Reapply r63025 and r63026, with fixes for the failing testcases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:57:31 +00:00
Duncan Sands
5bb11b89dd Fix PR3393, which amounts to a bug in the expensive 
checking logic.  Rather than make the checking more
complicated, I've tweaked some logic to make things
conform to how the checking thought things ought to
be, since this results in a simpler "mental model".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:54:18 +00:00
Ted Kremenek
9c27886dd5 Add method raw_fd_ostream::seek() for random access within a file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:42:04 +00:00
Dan Gohman
4699934647 At Nick Lewycky's request, rename this test with a more informative name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:36:31 +00:00
Bill Wendling
826f093517 Also revert r63206 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63041 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:30:17 +00:00
Bill Wendling
34b946b8fb Temporarily revert r63025 until the testsuite failures can be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 21:27:03 +00:00
Dan Gohman
94cb2bf4e7 Fix the name of an argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 20:27:11 +00:00
Anton Korobeynikov
36c826ad95 During bittest switch lowering emit shift in the test block, which should (theoretically) 
allow us to generate more efficient code. We don't do this now though :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63027 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 19:26:01 +00:00
Owen Anderson
d7250517b0 Get rid of a bunch of dead code now that interval reconstruction is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 19:18:06 +00:00
Owen Anderson
8af1e761f8 Fix an issue where LiveIntervals was trying to be smart about removing kill 
markers, and ended up foiling the interval reconstruction.

This allows us to turn on reconstruction in the pre alloc splitter, which
fixes a number of miscompilations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63025 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 19:12:06 +00:00
Evan Cheng
5b2e5893c6 Enhance logic in X86DAGToDAGISel::PreprocessForRMW which move load inside callseq_start to allow it to be folded into a call. It was not considering the cases where a token factor is between the load and the callseq_start. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 18:43:34 +00:00
Evan Cheng
b964f33873 Silence a bogus compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63021 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 18:33:51 +00:00
Steve Naroff
544526885b Update VS project files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 18:08:55 +00:00
Roman Levenstein
8d8a0c36b7 Fix a bug in BitVector.h. All assignment operations (except the usual 
assignment operator) were returning a copy of the bit vector, instead of a
reference! This old semantics probably did not meet the expectations.
With this patch, chained assignments happen to the right object.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 11:07:20 +00:00
Evan Cheng
c4b1abd81e Actually source file has already been uniquified into an id during isel. Eliminate the StringMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63009 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 07:53:42 +00:00
Evan Cheng
d0adbb5b7d Add data structure to define and track debug location during codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 07:41:49 +00:00
Evan Cheng
d5362986da Looks like comments were chopped off. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63007 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 07:40:13 +00:00
Evan Cheng
891415b5a2 LLVM_SUPPORT_DEBUGINFO_H -> LLVM_ANALYSIS_DEBUGINFO_H since DebugInfo.h is under Analysis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 07:31:20 +00:00
Mon P Wang
fe6d2cd9d1 Fixed optimization of combining two shuffles where the first shuffle inputs 
has a different number of elements than the output.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 04:39:00 +00:00
Dan Gohman
e7852d0144 Take the next steps in making SDUse more consistent with LLVM Use, and 
tidy up SDUse and related code.
 - Replace the operator= member functions with a set method, like
   LLVM Use has, and variants setInitial and setNode, which take
   care up updating use lists, like LLVM Use's does. This simplifies
   code that calls these functions.
 - getSDValue() is renamed to get(), as in LLVM Use, though most
   places can either use the implicit conversion to SDValue or the
   convenience functions instead.
 - Fix some more node vs. value terminology issues.

Also, eliminate the one remaining use of SDOperandPtr, and
SDOperandPtr itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62995 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 04:35:06 +00:00
Scott Michel
19c10e658a Untabify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:37:41 +00:00
Scott Michel
c9c8b2a804 CellSPU: 
- Rename fcmp.ll test to fcmp32.ll, start adding new double tests to fcmp64.ll
- Fix select_bits.ll test
- Capitulate to the DAGCombiner and move i64 constant loads to instruction
  selection (SPUISelDAGtoDAG.cpp).

  <rant>DAGCombiner will insert all kinds of 64-bit optimizations after
  operation legalization occurs and now we have to do most of the work that
  instruction selection should be doing twice (once to determine if v2i64
  build_vector can be handled by SelectCode(), which then runs all of the
  predicates a second time to select the necessary instructions.) But,
  CellSPU is a good citizen.</rant>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:31:40 +00:00
Nate Begeman
5bf4b7556f Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:15:54 +00:00
Nate Begeman
c2fd67f697 De-identifying per sabre review 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:15:31 +00:00
Nick Lewycky
1281741311 Build libLTO on any platform so long as PIC is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 03:04:57 +00:00
Nate Begeman
34509841e7 Add some documentation for address-space-based access to the segment registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 02:54:45 +00:00
Chris Lattner
18f02318a6 Handle single-entry phi nodes gracefully in condprop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 02:18:20 +00:00
Chris Lattner
3796a262c5 Fix PR3408 by making a non-obvious assumption very obvious, and 
handling the flaw inherent in that assumption.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 02:11:30 +00:00
Chris Lattner
f6784a3262 More cleanups and simplifications, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62983 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 01:57:01 +00:00
Chris Lattner
2ba2543df2 tidy asserts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 01:38:24 +00:00
Nate Begeman
51a0437b16 Map address space 256 to gs; similar mappings could be supported for the 
other x86 segments.  address space 0 is stack/default, 1-255 are reserved for
client use.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 01:24:32 +00:00
Nate Begeman
740ab03f12 Support pattern matching various x86 sse shifts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-26 00:52:55 +00:00