Jakob Stoklund Olesen [Tue, 5 Jun 2012 01:06:15 +0000 (01:06 +0000)]
Remove the last remat-related code from LiveIntervalAnalysis.
Rematerialization is handled by LiveRangeEdit now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157974
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Jakob Stoklund Olesen [Tue, 5 Jun 2012 01:06:12 +0000 (01:06 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157973
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Joel Jones [Tue, 5 Jun 2012 00:47:21 +0000 (00:47 +0000)]
Revert commit r157966
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157972
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Joel Jones [Mon, 4 Jun 2012 23:38:57 +0000 (23:38 +0000)]
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>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157966
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Jakob Stoklund Olesen [Mon, 4 Jun 2012 23:01:41 +0000 (23:01 +0000)]
Delete dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157963
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Rafael Espindola [Mon, 4 Jun 2012 22:44:21 +0000 (22:44 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157958
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Jakob Stoklund Olesen [Mon, 4 Jun 2012 22:39:14 +0000 (22:39 +0000)]
Switch LiveIntervals member variable to LLVM naming standards.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157957
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Jakob Stoklund Olesen [Mon, 4 Jun 2012 18:21:16 +0000 (18:21 +0000)]
Pass context pointers to LiveRangeCalc::reset().
Remove the same pointers from all the other LiveRangeCalc functions,
simplifying the interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157941
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Akira Hatanaka [Mon, 4 Jun 2012 17:57:06 +0000 (17:57 +0000)]
Add a test case for mips64 unaligned load/store instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157939
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Akira Hatanaka [Mon, 4 Jun 2012 17:50:36 +0000 (17:50 +0000)]
Rename test/CodeGen/Mips/load-shift-left-right.ll.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157938
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Akira Hatanaka [Mon, 4 Jun 2012 17:46:29 +0000 (17:46 +0000)]
Fix a bug in MipsTargetLowering::LowerLOAD. A shift-right-logical node is
inserted after the shift-left-logical node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157937
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Roman Divacky [Mon, 4 Jun 2012 17:36:38 +0000 (17:36 +0000)]
Implement local-exec TLS on PowerPC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157935
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Hans Wennborg [Mon, 4 Jun 2012 14:02:08 +0000 (14:02 +0000)]
MIPS TLS: use the model selected by TargetMachine::getTLSModel().
This was mostly done already in r156162, but I missed one place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157929
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Nadav Rotem [Mon, 4 Jun 2012 11:27:21 +0000 (11:27 +0000)]
Remove the "-promote-elements" flag. This flag is now enabled by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157925
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Hans Wennborg [Mon, 4 Jun 2012 09:55:36 +0000 (09:55 +0000)]
Better comments for TLS-related X86 MachineOperand flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157920
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Craig Topper [Mon, 4 Jun 2012 07:46:16 +0000 (07:46 +0000)]
Add intrinsic forms for FMA instructions to opcode folding tables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157917
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Duncan Sands [Mon, 4 Jun 2012 07:18:12 +0000 (07:18 +0000)]
getAllOnesValue also works for vectors of integers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157915
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Craig Topper [Mon, 4 Jun 2012 07:08:21 +0000 (07:08 +0000)]
Add VFMADDSUB and VFMSUBADD FMA instructions to folding tables. Also add 213 forms of scalar FMA instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157914
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Hal Finkel [Mon, 4 Jun 2012 02:39:52 +0000 (02:39 +0000)]
Fix a copy-and-paste duplication error in the PPC 440 and A2 schedules (no functionality change).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157912
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Hal Finkel [Mon, 4 Jun 2012 02:21:00 +0000 (02:21 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157911
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Rafael Espindola [Sun, 3 Jun 2012 23:57:14 +0000 (23:57 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157909
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Rafael Espindola [Sun, 3 Jun 2012 22:41:23 +0000 (22:41 +0000)]
Add a typedef to simplify the code a bit. Not functionality change.
Part of a patch by the PaX Team.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157908
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Craig Topper [Sun, 3 Jun 2012 18:58:46 +0000 (18:58 +0000)]
Rename FMA3 feature flag to just FMA to match gcc so it can be added to clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157903
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Craig Topper [Sun, 3 Jun 2012 16:48:52 +0000 (16:48 +0000)]
Simplify the fma4 renaming code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157902
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NAKAMURA Takumi [Sun, 3 Jun 2012 15:42:12 +0000 (15:42 +0000)]
IntRange: Restore the copy constuctor explicitly to appase buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157901
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Craig Topper [Sun, 3 Jun 2012 08:07:25 +0000 (08:07 +0000)]
Autoupgrade support the rename of x86.fma4 intrinsics to x86.fma from r157898.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157899
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Craig Topper [Sun, 3 Jun 2012 07:26:46 +0000 (07:26 +0000)]
Rename fma4 intrinsics to just fma since they are now used for both FMA4 and FMA3. Autoupgrade support coming in a separate commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157898
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Manman Ren [Sun, 3 Jun 2012 03:14:24 +0000 (03:14 +0000)]
Revert r157831
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157896
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Craig Topper [Sun, 3 Jun 2012 01:40:43 +0000 (01:40 +0000)]
Use sse_load_f32/64 for scalar FMA3 intrinsic patterns instead of 128-bit loads to match instruction behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157895
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Craig Topper [Sun, 3 Jun 2012 00:30:49 +0000 (00:30 +0000)]
Add neverHasSideEffects and mayLoad to FMA3 instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157894
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Benjamin Kramer [Sat, 2 Jun 2012 16:28:09 +0000 (16:28 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157891
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Stepan Dyatkovskiy [Sat, 2 Jun 2012 13:47:12 +0000 (13:47 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157887
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Benjamin Kramer [Sat, 2 Jun 2012 10:20:22 +0000 (10:20 +0000)]
Fix typos found by github.com/lyda/misspell-check
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885
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Stepan Dyatkovskiy [Sat, 2 Jun 2012 09:42:43 +0000 (09:42 +0000)]
PR1255: case ranges.
IntRange converted from struct to class. So main change everywhere is replacement of ".Low/High" with ".getLow/getHigh()"
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157884
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Benjamin Kramer [Sat, 2 Jun 2012 08:39:08 +0000 (08:39 +0000)]
Add move semantics to APInt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157883
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Stepan Dyatkovskiy [Sat, 2 Jun 2012 08:03:34 +0000 (08:03 +0000)]
Additional change for 157881. Forget to fix another IntegerSubset constructor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157882
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Stepan Dyatkovskiy [Sat, 2 Jun 2012 07:44:19 +0000 (07:44 +0000)]
Small fix due to buildbot failures on mingw32. Fixed call of parent constructor for case when parent is template.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157881
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Stepan Dyatkovskiy [Sat, 2 Jun 2012 07:26:00 +0000 (07:26 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157880
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Manman Ren [Sat, 2 Jun 2012 05:37:44 +0000 (05:37 +0000)]
ARM: add testing case for struct byval
rdar://
9877866
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157876
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Akira Hatanaka [Sat, 2 Jun 2012 01:13:10 +0000 (01:13 +0000)]
Add another test case which tests Mips' unaligned load/store instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157874
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Akira Hatanaka [Sat, 2 Jun 2012 01:10:34 +0000 (01:10 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157873
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Chris Lattner [Sat, 2 Jun 2012 01:03:42 +0000 (01:03 +0000)]
remove an unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157872
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Akira Hatanaka [Sat, 2 Jun 2012 00:05:45 +0000 (00:05 +0000)]
Fix test cases in test/CodeGen/Mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157868
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Akira Hatanaka [Sat, 2 Jun 2012 00:05:11 +0000 (00:05 +0000)]
Remove code which is no longer needed in MipsAsmPrinter and MipsMCInstLower.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157867
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Akira Hatanaka [Sat, 2 Jun 2012 00:04:42 +0000 (00:04 +0000)]
Set operation actions for load/store nodes in the Mips backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157866
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Akira Hatanaka [Sat, 2 Jun 2012 00:04:19 +0000 (00:04 +0000)]
Add definitions of 32/64-bit unaligned load/store instructions for Mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157865
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Akira Hatanaka [Sat, 2 Jun 2012 00:03:49 +0000 (00:03 +0000)]
Define functions MipsTargetLowering::LowerLOAD and LowerSTORE which
custom-lower unaligned load and store nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157864
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Akira Hatanaka [Sat, 2 Jun 2012 00:03:12 +0000 (00:03 +0000)]
Define Mips specific unaligned load/store nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157863
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Akira Hatanaka [Sat, 2 Jun 2012 00:02:45 +0000 (00:02 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157862
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Akira Hatanaka [Sat, 2 Jun 2012 00:02:11 +0000 (00:02 +0000)]
In MipsMCInstLower::LowerSymbolOperand, get offset from symbol if
the MachineOperand type has a valid offset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157861
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Jakob Stoklund Olesen [Fri, 1 Jun 2012 23:28:34 +0000 (23:28 +0000)]
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157855
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Jakob Stoklund Olesen [Fri, 1 Jun 2012 23:28:30 +0000 (23:28 +0000)]
Switch all register list clients to the new MC*Iterator interface.
No functional change intended.
Sorry for the churn. The iterator classes are supposed to help avoid
giant commits like this one in the future. The TableGen-produced
register lists are getting quite large, and it may be necessary to
change the table representation.
This makes it possible to do so without changing all clients (again).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157854
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Bill Wendling [Fri, 1 Jun 2012 23:14:32 +0000 (23:14 +0000)]
Register the gcov "writeout" at init time. Don't list this as a d'tor. Instead,
inject some code in that will run via the "__mod_init_func" method that
registers the gcov "writeout" function to execute at exit time.
The problem is that the "__mod_term_func" method of specifying d'tors is
deprecated on Darwin. And it can lead to some ambiguities when dealing with
multiple libraries.
<rdar://problem/
11110106>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157852
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Jakob Stoklund Olesen [Fri, 1 Jun 2012 22:38:19 +0000 (22:38 +0000)]
Remove physreg support from adjustCopiesBackFrom and removeCopyByCommutingDef.
After physreg coalescing was disabled, these functions can't do anything
useful with physregs anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157849
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Jakob Stoklund Olesen [Fri, 1 Jun 2012 22:38:17 +0000 (22:38 +0000)]
Simplify some more getAliasSet callers.
MCRegAliasIterator can include Reg itself in the list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157848
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Rafael Espindola [Fri, 1 Jun 2012 21:56:26 +0000 (21:56 +0000)]
Use dominates(Instruction, Use) in the verifier.
This removes a bit of context from the verifier erros, but reduces code
duplication in a fairly critical part of LLVM and makes dominates easier to test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157845
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Chad Rosier [Fri, 1 Jun 2012 21:12:31 +0000 (21:12 +0000)]
[arm-fast-isel] Fix handling of the frameaddress intrinsic. If depth is 0
then DestReg is undefined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157840
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Jakob Stoklund Olesen [Fri, 1 Jun 2012 20:36:54 +0000 (20:36 +0000)]
Switch some getAliasSet clients to MCRegAliasIterator.
MCRegAliasIterator can optionally visit the register itself, allowing
for simpler code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157837
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Manman Ren [Fri, 1 Jun 2012 19:49:33 +0000 (19:49 +0000)]
X86: peephole optimization to remove cmp instruction
This patch will optimize the following:
sub r1, r3
cmp r3, r1 or cmp r1, r3
bge L1
TO
sub r1, r3
bge L1 or ble L1
If the branch instruction can use flag from "sub", then we can eliminate
the "cmp" instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157831
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Manman Ren [Fri, 1 Jun 2012 19:33:18 +0000 (19:33 +0000)]
ARM: properly handle alignment for struct byval.
Factor out the expansion code into a function.
This change is to be enabled in clang.
rdar://
9877866
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157830
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Rafael Espindola [Fri, 1 Jun 2012 19:24:57 +0000 (19:24 +0000)]
Add some tests checking that the verifier rejects cases where a definition
doesn't dominate a use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157829
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Fri, 1 Jun 2012 18:52:53 +0000 (18:52 +0000)]
Provide move semantics for (Small)BitVector.
CodeGen makes a lot of BitVector copies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157826
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Chris Lattner [Fri, 1 Jun 2012 18:19:46 +0000 (18:19 +0000)]
testcase for PR13006, thanks to Duncan for filing it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157824
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Nuno Lopes [Fri, 1 Jun 2012 17:43:31 +0000 (17:43 +0000)]
BoundsChecking: fix a bug when the handling of recursive PHIs failed and could leave dangling references in the cache
add regression tests for this problem.
Can already compile & run: PHP, PCRE, and ICU (i.e., all the software I tried)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157822
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Hans Wennborg [Fri, 1 Jun 2012 16:27:21 +0000 (16:27 +0000)]
Implement the local-dynamic TLS model for x86 (PR3985)
This implements codegen support for accesses to thread-local variables
using the local-dynamic model, and adds a clean-up pass so that the base
address for the TLS block can be re-used between local-dynamic access on
an execution path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157818
91177308-0d34-0410-b5e6-
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Stepan Dyatkovskiy [Fri, 1 Jun 2012 16:17:57 +0000 (16:17 +0000)]
PR1255: case ranges.
IntegersSubset devided into IntegersSubsetGeneric and into IntegersSubset itself. The first has no references to ConstantInt and works with IntItem only.
IntegersSubsetMapping also made generic. Here added second template parameter "IntegersSubsetTy" that allows to use on of two IntegersSubset types described below.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157815
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Benjamin Kramer [Fri, 1 Jun 2012 15:40:53 +0000 (15:40 +0000)]
Remove noisy semicolons.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157814
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Chris Lattner [Fri, 1 Jun 2012 15:02:52 +0000 (15:02 +0000)]
quick fix for PR13006, will check in testcase later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157813
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Stepan Dyatkovskiy [Fri, 1 Jun 2012 10:06:14 +0000 (10:06 +0000)]
PR1255: case ranges.
IntItem cleanup. IntItemBase, IntItemConstantIntImp and IntItem merged into IntItem. All arithmetic operators was propogated from APInt. Also added comparison operators <,>,<=,>=. Currently you will find set of macros that propogates operators from APInt to IntItem in the beginning of IntegerSubset. Note that THESE MACROS WILL REMOVED after all passes will case-ranges compatible. Also note that these macros much smaller pain that something like this:
if (V->getValue().ugt(AnotherV->getValue()) { ... }
These changes made IntItem full featured integer object. It allows to make IntegerSubset class generic (move out all ConstantInt references inside and add unit-tests) in next commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157810
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Craig Topper [Fri, 1 Jun 2012 06:10:14 +0000 (06:10 +0000)]
Enable automatic detection of FMA3 support to allow intrinsics to be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157805
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Craig Topper [Fri, 1 Jun 2012 06:07:48 +0000 (06:07 +0000)]
Remove fadd(fmul) patterns for FMA3. This needs to be implemented by paying attention to FP_CONTRACT and matching @llvm.fma which is not available yet. This will allow us to enablle intrinsic use at least though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157804
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Craig Topper [Fri, 1 Jun 2012 05:48:39 +0000 (05:48 +0000)]
Add VFNSUB* instructions to folding table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157802
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Craig Topper [Fri, 1 Jun 2012 05:34:01 +0000 (05:34 +0000)]
Remove a trailing space and fix a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157801
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Chris Lattner [Fri, 1 Jun 2012 05:29:15 +0000 (05:29 +0000)]
enhance the logic for looking through tailcalls to look through transparent casts
in multiple-return value scenarios, like what happens on X86-64 when returning
small structs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157800
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Craig Topper [Fri, 1 Jun 2012 05:24:29 +0000 (05:24 +0000)]
Tidy up. Remove trailing spaces and fix the worst of the 80 column violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157799
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Chris Lattner [Fri, 1 Jun 2012 05:16:33 +0000 (05:16 +0000)]
enhance getNoopInput to know about vector<->vector bitcasts of legal
types, as well as int<->ptr casts. This allows us to tailcall functions
with some trivial casts between the call and return (i.e. because the
return types disagree).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157798
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Chris Lattner [Fri, 1 Jun 2012 05:03:31 +0000 (05:03 +0000)]
add some simple 64-bit tail call tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157797
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Chris Lattner [Fri, 1 Jun 2012 05:01:15 +0000 (05:01 +0000)]
rearrange some logic, no functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157796
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Chris Lattner [Fri, 1 Jun 2012 05:00:54 +0000 (05:00 +0000)]
merge some tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157795
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Chris Lattner [Fri, 1 Jun 2012 04:58:50 +0000 (04:58 +0000)]
rename test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157794
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Manman Ren [Fri, 1 Jun 2012 02:44:42 +0000 (02:44 +0000)]
ARM: support struct byval in llvm
We handle struct byval by inserting a pseudo op, which will be expanded to a
loop at ExpandISelPseudos.
A separate patch for clang will be submitted to enable struct byval.
rdar://
9877866
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157793
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Michael J. Spencer [Fri, 1 Jun 2012 00:58:41 +0000 (00:58 +0000)]
Fix 80 columns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157788
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Eric Christopher [Fri, 1 Jun 2012 00:22:32 +0000 (00:22 +0000)]
Add support for enum forward declarations.
Part of rdar://
11570854
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157786
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Chad Rosier [Fri, 1 Jun 2012 00:02:08 +0000 (00:02 +0000)]
Put the shiny new MCSubRegIterator to work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157783
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Nuno Lopes [Thu, 31 May 2012 22:58:48 +0000 (22:58 +0000)]
add -bounds-checking-multiple-traps option to make one trap BB per check
disabled by default for now; we can discusse the default value (& name) later
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157777
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Nuno Lopes [Thu, 31 May 2012 22:45:40 +0000 (22:45 +0000)]
revamp BoundsChecking considerably:
- compute size & offset at the same time. The side-effects of this are that we now support negative GEPs. It's now approaching a phase that it can be reused by other passes (e.g., lowering of the objectsize intrinsic)
- use APInt throughout to handle wrap-arounds
- add support for PHI instrumentation
- add a cache (required for recursive PHIs anyway)
- remove hoisting support for now, since it was wrong in a few cases
sorry for the churn here.. tests will follow soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157775
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Benjamin Kramer [Thu, 31 May 2012 22:25:25 +0000 (22:25 +0000)]
IntrusiveRefCntPtr: Simplify operator= as suggested by Richard Smith.
This way the constructors do all the hard work. No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157773
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Owen Anderson [Thu, 31 May 2012 18:07:02 +0000 (18:07 +0000)]
Make this testcase independent of register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157761
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Jakob Stoklund Olesen [Thu, 31 May 2012 17:28:20 +0000 (17:28 +0000)]
Add support for return value promotion in X86 calling conventions.
Patch by Yiannis Tsiouris!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157757
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Jakob Stoklund Olesen [Thu, 31 May 2012 17:21:27 +0000 (17:21 +0000)]
Didn't mean to export this function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157756
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Manman Ren [Thu, 31 May 2012 17:20:29 +0000 (17:20 +0000)]
X86: replace SUB with CMP if possible
This patch will optimize the following
movq %rdi, %rax
subq %rsi, %rax
cmovsq %rsi, %rdi
movq %rdi, %rax
to
cmpq %rsi, %rdi
cmovsq %rsi, %rdi
movq %rdi, %rax
Perform this optimization if the actual result of SUB is not used.
rdar:
11540023
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157755
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Jakob Stoklund Olesen [Thu, 31 May 2012 17:18:29 +0000 (17:18 +0000)]
Add a PrintRegUnit helper similar to PrintReg.
Reg-units are named after their root registers, and most units have a
single root, so they simply print as 'AL', 'XMM0', etc. The rare dual
root reg-units print as FPSCR~FPSCR_NZCV, FP0~ST7, ...
The printing piggybacks on the existing register name tables, so no
extra const data space is required.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157754
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Jakob Stoklund Olesen [Thu, 31 May 2012 17:18:26 +0000 (17:18 +0000)]
Emit register unit root tables.
Each register unit has one or two root registers. The full set of
registers containing a given register unit can be computed as the union
of the root registers and their super-registers.
Provide an MCRegUnitRootIterator class to enumerate the roots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157753
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Joel Jones [Thu, 31 May 2012 17:11:25 +0000 (17:11 +0000)]
Fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157752
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Rafael Espindola [Thu, 31 May 2012 16:04:26 +0000 (16:04 +0000)]
Fix typos noticed by Benjamin Kramer.
Also make the checks stronger and test that we reject ranges that overlap
a previous wrapped range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157749
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Benjamin Kramer [Thu, 31 May 2012 14:34:17 +0000 (14:34 +0000)]
X86: Rename the CLMUL target feature to PCLMUL.
It was renamed in gcc/gas a while ago and causes all kinds of
confusion because it was named differently in llvm and clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157745
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Rafael Espindola [Thu, 31 May 2012 13:45:46 +0000 (13:45 +0000)]
Require intervals in the range metadata to be in a canonical form: They must
be non contiguous, non overlapping and sorted by the lower end.
While this is technically a backward incompatibility, every frontent currently
produces range metadata with a single interval and we don't have any pass
that merges intervals yet, so no existing bitcode files should be rejected by
this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157741
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Elena Demikhovsky [Thu, 31 May 2012 09:20:20 +0000 (09:20 +0000)]
Added FMA3 Intel instructions.
I disabled FMA3 autodetection, since the result may differ from expected for some benchmarks.
I added tests for GodeGen and intrinsics.
I did not change llvm.fma.f32/64 - it may be done later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157737
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Duncan Sands [Thu, 31 May 2012 08:09:49 +0000 (08:09 +0000)]
Enhance the sinking code to handle diamond patterns. Patch by
Carlo Alberto Ferraris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157736
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Craig Topper [Thu, 31 May 2012 04:37:40 +0000 (04:37 +0000)]
Add intrinsic for pclmulqdq instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157731
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