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Author SHA1 Message Date
Jakob Stoklund Olesen
6e8c9ed65e Stop using LiveIntervals::isReMaterializable(). 
It is an old function that does a lot more than required by
CalcSpillWeights, which was the only remaining caller.

The isRematerializable() function never actually sets the isLoad
argument, so don't try to compute that.

llvm-svn: 157973
 2012-06-05 01:06:12 +00:00
Joel Jones
6fb688ff18 Revert commit r157966 
llvm-svn: 157972
 2012-06-05 00:47:21 +00:00
Joel Jones
fdd5284d04 This change handles a another case for generating the bic instruction 
when a compile time constant is known.  This occurs when implicitly zero 
extending function arguments from 16 bits to 32 bits.

<rdar://problem/11481151>

llvm-svn: 157966
 2012-06-04 23:38:57 +00:00
Jakob Stoklund Olesen
04457a5cc7 Delete dead code. 
llvm-svn: 157963
 2012-06-04 23:01:41 +00:00
Rafael Espindola
f2cb55e405 When gvn decides to replace an instruction with another, we have to patch the 
replacement to make it at least as generic as the instruction being replaced.
This includes:
* dropping nsw/nuw flags
* getting the least restrictive tbaa and fpmath metadata
* merging ranges

Fixes PR12979.

llvm-svn: 157958
 2012-06-04 22:44:21 +00:00
Jakob Stoklund Olesen
17fcb85c11 Switch LiveIntervals member variable to LLVM naming standards. 
No functional change.

llvm-svn: 157957
 2012-06-04 22:39:14 +00:00
Jakob Stoklund Olesen
066df8f22f Pass context pointers to LiveRangeCalc::reset(). 
Remove the same pointers from all the other LiveRangeCalc functions,
simplifying the interface.

llvm-svn: 157941
 2012-06-04 18:21:16 +00:00
Akira Hatanaka
c4d8a54531 Add a test case for mips64 unaligned load/store instructions. 
llvm-svn: 157939
 2012-06-04 17:57:06 +00:00
Akira Hatanaka
daaa398de8 Rename test/CodeGen/Mips/load-shift-left-right.ll. 
llvm-svn: 157938
 2012-06-04 17:50:36 +00:00
Akira Hatanaka
f860bcf5fc Fix a bug in MipsTargetLowering::LowerLOAD. A shift-right-logical node is 
inserted after the shift-left-logical node.

llvm-svn: 157937
 2012-06-04 17:46:29 +00:00
Roman Divacky
0daa2c0556 Implement local-exec TLS on PowerPC. 
llvm-svn: 157935
 2012-06-04 17:36:38 +00:00
Hans Wennborg
ff55c96bc2 MIPS TLS: use the model selected by TargetMachine::getTLSModel(). 
This was mostly done already in r156162, but I missed one place.

llvm-svn: 157929
 2012-06-04 14:02:08 +00:00
Nadav Rotem
6969a673e9 Remove the "-promote-elements" flag. This flag is now enabled by default. 
llvm-svn: 157925
 2012-06-04 11:27:21 +00:00
Hans Wennborg
60ee5bbc4f Better comments for TLS-related X86 MachineOperand flags. 
llvm-svn: 157920
 2012-06-04 09:55:36 +00:00
Craig Topper
52bf0cfb27 Add intrinsic forms for FMA instructions to opcode folding tables. 
llvm-svn: 157917
 2012-06-04 07:46:16 +00:00
Duncan Sands
2f70cb3b88 getAllOnesValue also works for vectors of integers. 
llvm-svn: 157915
 2012-06-04 07:18:12 +00:00
Craig Topper
eb2d859f52 Add VFMADDSUB and VFMSUBADD FMA instructions to folding tables. Also add 213 forms of scalar FMA instructions. 
llvm-svn: 157914
 2012-06-04 07:08:21 +00:00
Hal Finkel
c1daf7daf8 Fix a copy-and-paste duplication error in the PPC 440 and A2 schedules (no functionality change). 
llvm-svn: 157912
 2012-06-04 02:39:52 +00:00
Hal Finkel
c1fe73fae2 Enable generating PPC pre-increment (r+imm) instructions by default. 
It seems that this no longer causes test suite failures on PPC64 (after r157159),
and often gives a performance benefit, so it can be enabled by default.

llvm-svn: 157911
 2012-06-04 02:21:00 +00:00
Rafael Espindola
a6ed019c71 Represent .rept as an anonymous macro. This removes the need for the ActiveRept 
vector. No functionality change.
Extracted from a patch by the PaX Team.

llvm-svn: 157909
 2012-06-03 23:57:14 +00:00
Rafael Espindola
454587b972 Add a typedef to simplify the code a bit. Not functionality change. 
Part of a patch by the PaX Team.

llvm-svn: 157908
 2012-06-03 22:41:23 +00:00
Craig Topper
5837bcfc02 Rename FMA3 feature flag to just FMA to match gcc so it can be added to clang. 
llvm-svn: 157903
 2012-06-03 18:58:46 +00:00
Craig Topper
ea8ead0d4c Simplify the fma4 renaming code. 
llvm-svn: 157902
 2012-06-03 16:48:52 +00:00
NAKAMURA Takumi
8b305bfcd3 IntRange: Restore the copy constuctor explicitly to appase buildbot. 
llvm-svn: 157901
 2012-06-03 15:42:12 +00:00
Craig Topper
4809989f8a Autoupgrade support the rename of x86.fma4 intrinsics to x86.fma from r157898. 
llvm-svn: 157899
 2012-06-03 08:07:25 +00:00
Craig Topper
8d3031fa46 Rename fma4 intrinsics to just fma since they are now used for both FMA4 and FMA3. Autoupgrade support coming in a separate commit. 
llvm-svn: 157898
 2012-06-03 07:26:46 +00:00
Manman Ren
c3a6de9953 Revert r157831 
llvm-svn: 157896
 2012-06-03 03:14:24 +00:00
Craig Topper
685b86b007 Use sse_load_f32/64 for scalar FMA3 intrinsic patterns instead of 128-bit loads to match instruction behavior. 
llvm-svn: 157895
 2012-06-03 01:40:43 +00:00
Craig Topper
e783584ea7 Add neverHasSideEffects and mayLoad to FMA3 instructions. 
llvm-svn: 157894
 2012-06-03 00:30:49 +00:00
Benjamin Kramer
20f186ceb7 Use access(2) instead of stat(2) to check if a file exists. 
Apart from being slightly cheaper, this fixes a real bug that hits 32 bit
linux systems. When passing a file larger than 2G to be linked (which isn't
that uncommon with large projects such as WebKit), clang's driver checks
if the file exists but the file size doesn't fit in an off_t and stat(2)
fails with EOVERFLOW. Clang then says that the file doesn't exist instead
of passing it to the linker.

llvm-svn: 157891
 2012-06-02 16:28:09 +00:00
Stepan Dyatkovskiy
aae17ee48f Added unittests for IntegersSubset and IntegersSubsetMapping. 
- Fixed IntegersSubsetGeneric copy/assignment behaviour. 
- Fixed IntegersSubsetGeneric::getSize/getSingleValue methods.
- Fixed IntegersSubsetGeneric::verify method.

Also IntegersSubset.h and IntegersSubsetMapping.h headers was fixed.

llvm-svn: 157887
 2012-06-02 13:47:12 +00:00
Benjamin Kramer
bb30e1face Fix typos found by http://github.com/lyda/misspell-check 
llvm-svn: 157885
 2012-06-02 10:20:22 +00:00
Stepan Dyatkovskiy
4246540c22 PR1255: case ranges. 
IntRange converted from struct to class. So main change everywhere is replacement of ".Low/High" with ".getLow/getHigh()"

llvm-svn: 157884
 2012-06-02 09:42:43 +00:00
Benjamin Kramer
23f7f57c50 Add move semantics to APInt. 
llvm-svn: 157883
 2012-06-02 08:39:08 +00:00
Stepan Dyatkovskiy
1ed91c6a4b Additional change for 157881. Forget to fix another IntegerSubset constructor. 
llvm-svn: 157882
 2012-06-02 08:03:34 +00:00
Stepan Dyatkovskiy
8aeda74069 Small fix due to buildbot failures on mingw32. Fixed call of parent constructor for case when parent is template. 
llvm-svn: 157881
 2012-06-02 07:44:19 +00:00
Stepan Dyatkovskiy
f302516204 PR1255: case ranges. 
IntegersSubsetGeneric, IntegersSubsetMapping: added IntTy template parameter, that allows use either APInt or IntItem. This change allows to write unittest for these classes.

llvm-svn: 157880
 2012-06-02 07:26:00 +00:00
Manman Ren
f8ff637b8d ARM: add testing case for struct byval 
rdar://9877866

llvm-svn: 157876
 2012-06-02 05:37:44 +00:00
Akira Hatanaka
cb564aef50 Add another test case which tests Mips' unaligned load/store instructions. 
llvm-svn: 157874
 2012-06-02 01:13:10 +00:00
Akira Hatanaka
61caea0140 Fix a bug in the code which custom-lowers truncating stores in LegalizeDAG. 
Check that the SDValue TargetLowering::LowerOperation returns is not null
before replacing the original node with the returned node.

llvm-svn: 157873
 2012-06-02 01:10:34 +00:00
Chris Lattner
68489fe6b7 remove an unused variable. 
llvm-svn: 157872
 2012-06-02 01:03:42 +00:00
Akira Hatanaka
2567e6aec1 Fix test cases in test/CodeGen/Mips. 
llvm-svn: 157868
 2012-06-02 00:05:45 +00:00
Akira Hatanaka
378d42a0b3 Remove code which is no longer needed in MipsAsmPrinter and MipsMCInstLower. 
llvm-svn: 157867
 2012-06-02 00:05:11 +00:00
Akira Hatanaka
334dbca66f Set operation actions for load/store nodes in the Mips backend. 
llvm-svn: 157866
 2012-06-02 00:04:42 +00:00
Akira Hatanaka
b2bdf54ad5 Add definitions of 32/64-bit unaligned load/store instructions for Mips. 
llvm-svn: 157865
 2012-06-02 00:04:19 +00:00
Akira Hatanaka
b7342fea3a Define functions MipsTargetLowering::LowerLOAD and LowerSTORE which 
custom-lower unaligned load and store nodes.

llvm-svn: 157864
 2012-06-02 00:03:49 +00:00
Akira Hatanaka
80b29cb00a Define Mips specific unaligned load/store nodes. 
llvm-svn: 157863
 2012-06-02 00:03:12 +00:00
Akira Hatanaka
23e92c0ddb Expand unaligned i16 loads/stores for the Mips backend. 
This is the first of a series of patches which make changes to the backend to
emit unaligned load/store instructions (lwl,lwr,swl,swr) during instruction
selection.

llvm-svn: 157862
 2012-06-02 00:02:45 +00:00
Akira Hatanaka
72d95cef06 In MipsMCInstLower::LowerSymbolOperand, get offset from symbol if 
the MachineOperand type has a valid offset. 

llvm-svn: 157861
 2012-06-02 00:02:11 +00:00
Jakob Stoklund Olesen
ee64ad3aba Remove the old register list functions from MCRegisterInfo. 
These functions exposed the layout of the underlying data tables as
null-terminated uint16_t arrays.

Use the new MCSubRegIterator, MCSuperRegIterator, and MCRegAliasIterator
classes instead.

llvm-svn: 157855
 2012-06-01 23:28:34 +00:00