oota-llvm.git
13 years agoC-API: Include DataTypes.h instead of stdint.h.
Daniel Dunbar [Tue, 29 Mar 2011 02:30:34 +0000 (02:30 +0000)]
C-API: Include DataTypes.h instead of stdint.h.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128446 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoReduce test case.
Rafael Espindola [Tue, 29 Mar 2011 02:18:54 +0000 (02:18 +0000)]
Reduce test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128445 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoOptimizing (zext A + zext B) * C, to (VMULL A, C) + (VMULL B, C) during
Evan Cheng [Tue, 29 Mar 2011 01:56:09 +0000 (01:56 +0000)]
Optimizing (zext A + zext B) * C, to (VMULL A, C) + (VMULL B, C) during
isel lowering to fold the zero-extend's and take advantage of no-stall
back to back vmul + vmla:
 vmull q0, d4, d6
 vmlal q0, d5, d6
is faster than
 vaddl q0, d4, d5
 vmovl q1, d6
 vmul  q0, q0, q1

This allows us to vmull + vmlal for:
    f = vmull_u8(   vget_high_u8(s), c);
    f = vmlal_u8(f, vget_low_u8(s),  c);

rdar://9197392

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128444 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the MSVC build.
Francois Pichet [Tue, 29 Mar 2011 00:30:01 +0000 (00:30 +0000)]
Fix the MSVC build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128441 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoExpoert c interface for disassembler.
Devang Patel [Tue, 29 Mar 2011 00:01:39 +0000 (00:01 +0000)]
Expoert c interface for disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128440 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIn some cases, the "fail BB dominator" may be null after the BB was split (and
Bill Wendling [Mon, 28 Mar 2011 23:02:18 +0000 (23:02 +0000)]
In some cases, the "fail BB dominator" may be null after the BB was split (and
becomes reachable when before it wasn't). Check to make sure that it's not null
before trying to use it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128434 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIntegrated-As: Add support for setting the AllowTemporaryLabels flag via
Daniel Dunbar [Mon, 28 Mar 2011 22:49:19 +0000 (22:49 +0000)]
Integrated-As: Add support for setting the AllowTemporaryLabels flag via
integrated-as.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128431 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC: Add support for disabling "temporary label" behavior. Useful for debugging
Daniel Dunbar [Mon, 28 Mar 2011 22:49:15 +0000 (22:49 +0000)]
MC: Add support for disabling "temporary label" behavior. Useful for debugging
on Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128430 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUnbreak CMake build.
Ted Kremenek [Mon, 28 Mar 2011 20:43:53 +0000 (20:43 +0000)]
Unbreak CMake build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128426 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove scripts used by TEST=dbg from here. They now live inside llvm test suite.
Devang Patel [Mon, 28 Mar 2011 20:28:30 +0000 (20:28 +0000)]
Remove scripts used by TEST=dbg from here. They now live inside llvm test suite.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128425 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add some test...
Johnny Chen [Mon, 28 Mar 2011 18:41:58 +0000 (18:41 +0000)]
Fix ARM disassembly for PLD/PLDW/PLI which suffers from code rot and add some test cases.
Add comments to ThumbDisassemblerCore.h for recent change made for t2PLD disassembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128417 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAgain adding a C API to the disassembler for use by such tools as Darwin's
Kevin Enderby [Mon, 28 Mar 2011 18:25:07 +0000 (18:25 +0000)]
Again adding a C API to the disassembler for use by such tools as Darwin's
otool(1), this time with the needed fix for case sensitive file systems :) .
This is a work in progress as the interface for producing symbolic operands is
not done.  But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer.  These APIs will be
moved into a dynamic library at some point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128415 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove tabs I accidentally added.
Nick Lewycky [Mon, 28 Mar 2011 17:48:26 +0000 (17:48 +0000)]
Remove tabs I accidentally added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128413 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake more use of PHINode::getNumIncomingValues().
Jay Foad [Mon, 28 Mar 2011 13:03:10 +0000 (13:03 +0000)]
Make more use of PHINode::getNumIncomingValues().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128406 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoptx: clean up branch code a bit
Che-Liang Chiou [Mon, 28 Mar 2011 10:23:13 +0000 (10:23 +0000)]
ptx: clean up branch code a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128405 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agodocs/GettingStarted.html: [PR8850] Add a note for x86_64-w64-mingw32.
NAKAMURA Takumi [Mon, 28 Mar 2011 06:27:12 +0000 (06:27 +0000)]
docs/GettingStarted.html: [PR8850] Add a note for x86_64-w64-mingw32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128404 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agodocs/GettingStarted.html: Add blurb "--enable-shared" on cygming.
NAKAMURA Takumi [Mon, 28 Mar 2011 06:27:06 +0000 (06:27 +0000)]
docs/GettingStarted.html: Add blurb "--enable-shared" on cygming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128403 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd some debug output when -instcombine uses RAUW. This can make debug output for...
Frits van Bommel [Sun, 27 Mar 2011 23:32:31 +0000 (23:32 +0000)]
Add some debug output when -instcombine uses RAUW. This can make debug output for those cases much clearer since without this it only showed that the original instruction was removed, not what it was replaced with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128399 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAmend debug output.
Jakob Stoklund Olesen [Sun, 27 Mar 2011 22:49:23 +0000 (22:49 +0000)]
Amend debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128398 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDrop interference reassignment in favor of eviction.
Jakob Stoklund Olesen [Sun, 27 Mar 2011 22:49:21 +0000 (22:49 +0000)]
Drop interference reassignment in favor of eviction.

The reassignment phase was able to move interference with a higher spill weight,
but it didn't happen very often and it was fairly expensive.

The existing interference eviction picks up the slack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128397 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach the transformation that moves binary operators around selects to preserve
Nick Lewycky [Sun, 27 Mar 2011 19:51:23 +0000 (19:51 +0000)]
Teach the transformation that moves binary operators around selects to preserve
the subclass optional data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128388 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse APInt's umul_ov instead of rolling our own overflow detection.
Benjamin Kramer [Sun, 27 Mar 2011 15:04:38 +0000 (15:04 +0000)]
Use APInt's umul_ov instead of rolling our own overflow detection.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128380 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoConstant folding support for calls to umul.with.overflow(), basically identical to...
Frits van Bommel [Sun, 27 Mar 2011 14:26:13 +0000 (14:26 +0000)]
Constant folding support for calls to umul.with.overflow(), basically identical to the smul.with.overflow() code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128379 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPartially revert commit 127155: I think it is much more convenient
Duncan Sands [Sun, 27 Mar 2011 13:52:32 +0000 (13:52 +0000)]
Partially revert commit 127155: I think it is much more convenient
to have structured log files rather than one big file produced by
piping output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128378 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. This
Nick Lewycky [Sun, 27 Mar 2011 07:30:57 +0000 (07:30 +0000)]
Add a small missed optimization: turn X == C ? X : Y into X == C ? C : Y. This
removes one use of X which helps it pass the many hasOneUse() checks.

In my analysis, this turns up very often where X = A >>exact B and that can't be
simplified unless X has one use (except by increasing the lifetime of A which is
generally a performance loss).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128373 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix whitespace.
NAKAMURA Takumi [Sun, 27 Mar 2011 01:44:40 +0000 (01:44 +0000)]
Fix whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128370 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse individual register classes when spilling snippets.
Jakob Stoklund Olesen [Sat, 26 Mar 2011 22:16:41 +0000 (22:16 +0000)]
Use individual register classes when spilling snippets.

The main register class may have been inflated by live range splitting, so that
register class is not necessarily valid for the snippet instructions.

Use the original register class for the stack slot interval.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128351 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTurn SelectionDAGBuilder::GetRegistersForValue into a local function.
Benjamin Kramer [Sat, 26 Mar 2011 16:35:10 +0000 (16:35 +0000)]
Turn SelectionDAGBuilder::GetRegistersForValue into a local function.

It couldn't be used outside of the file because SDISelAsmOperandInfo
is local to SelectionDAGBuilder.cpp. Making it a static function avoids
a weird linkage dance.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128342 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake helper static.
Benjamin Kramer [Sat, 26 Mar 2011 12:38:19 +0000 (12:38 +0000)]
Make helper static.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128338 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSimplification noticed by Frits.
Bill Wendling [Sat, 26 Mar 2011 09:32:07 +0000 (09:32 +0000)]
Simplification noticed by Frits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128333 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRework the logic that determines if a store completely overlaps an ealier store.
Bill Wendling [Sat, 26 Mar 2011 08:02:59 +0000 (08:02 +0000)]
Rework the logic that determines if a store completely overlaps an ealier store.

There are two ways that a later store can comletely overlap a previous store:

1. They both start at the same offset, but the earlier store's size is <= the
   later's size, or
2. The earlier store's offset is > the later's offset, but it's offset + size
   doesn't extend past the later's offset + size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128332 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a typo and add a test.
Cameron Zwarich [Sat, 26 Mar 2011 04:58:50 +0000 (04:58 +0000)]
Fix a typo and add a test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128331 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoExtend Clang's TableGen emitter for attributes to support bool arguments.
Douglas Gregor [Sat, 26 Mar 2011 03:40:01 +0000 (03:40 +0000)]
Extend Clang's TableGen emitter for attributes to support bool arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128330 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCollect and coalesce DBG_VALUE instructions before emitting the function.
Jakob Stoklund Olesen [Sat, 26 Mar 2011 02:19:36 +0000 (02:19 +0000)]
Collect and coalesce DBG_VALUE instructions before emitting the function.

Correctly terminate the range of register DBG_VALUEs when the register is
clobbered or when the basic block ends.

The code is now ready to deal with variables that are sometimes in a register
and sometimes on the stack. We just need to teach emitDebugLoc to say 'stack
slot'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128327 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFixed the t2PLD and friends disassembly and add two test cases.
Johnny Chen [Sat, 26 Mar 2011 01:32:48 +0000 (01:32 +0000)]
Fixed the t2PLD and friends disassembly and add two test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128322 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the bfi handling for or (and a mask) (and b mask). We need the two
Eric Christopher [Sat, 26 Mar 2011 01:21:03 +0000 (01:21 +0000)]
Fix the bfi handling for or (and a mask) (and b mask). We need the two
masks to match inversely for the code as is to work. For the example given
we actually want:

bfi r0, r2, #1, #1

not #0, however, given the way the pattern is written it's not possible
at the moment.

Fixes rdar://9177502

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128320 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR9561: A store with a negative offset (via GEP) could erroniously say that it
Bill Wendling [Sat, 26 Mar 2011 01:20:37 +0000 (01:20 +0000)]
PR9561: A store with a negative offset (via GEP) could erroniously say that it
completely overlaps a previous store, thus mistakenly deleting that store. Check
for this condition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128319 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove the files for r128308 as it is causing a buildbot failure.
Kevin Enderby [Sat, 26 Mar 2011 00:23:05 +0000 (00:23 +0000)]
Remove the files for r128308 as it is causing a buildbot failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128309 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdding a C API to the disassembler for use by such tools as Darwin's otool(1).
Kevin Enderby [Sat, 26 Mar 2011 00:06:33 +0000 (00:06 +0000)]
Adding a C API to the disassembler for use by such tools as Darwin's otool(1).
This is a work in progress as the interface for producing symbolic operands is
not done.  But a hacked prototype using information from the object file's
relocation entiries and replacing immediate operands with MCExpr's has been
shown to work with no changes to the instrucion printer.  These APIs will be
moved into a dynamic library at some point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128308 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd test for A8.6.246 UMULL to both arm-tests.txt amd thumb-tests.txt.
Johnny Chen [Fri, 25 Mar 2011 23:02:58 +0000 (23:02 +0000)]
Add test for A8.6.246 UMULL to both arm-tests.txt amd thumb-tests.txt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128306 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd two test cases t2SMLABT and t2SMMULR for DisassembleThumb2Mul().
Johnny Chen [Fri, 25 Mar 2011 22:43:28 +0000 (22:43 +0000)]
Add two test cases t2SMLABT and t2SMMULR for DisassembleThumb2Mul().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128305 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix DisassembleThumb2DPReg()'s handling of RegClass. Cannot hardcode GPRRegClassID.
Johnny Chen [Fri, 25 Mar 2011 22:19:07 +0000 (22:19 +0000)]
Fix DisassembleThumb2DPReg()'s handling of RegClass.  Cannot hardcode GPRRegClassID.
Also add some test cases.

rdar://problem/9189829

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128304 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDisassembleThumb2LdSt() did not handle t2LDRs correctly with respect to RegClass...
Johnny Chen [Fri, 25 Mar 2011 19:35:37 +0000 (19:35 +0000)]
DisassembleThumb2LdSt() did not handle t2LDRs correctly with respect to RegClass.  Add two test cases.

rdar://problem/9182892

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128299 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoA8.6.226 TBB, TBH:
Johnny Chen [Fri, 25 Mar 2011 18:40:21 +0000 (18:40 +0000)]
A8.6.226 TBB, TBH:

Add two test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128295 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoModify DisassembleThumb2LdStEx() to be more robust/correct in light of recent change to
Johnny Chen [Fri, 25 Mar 2011 18:29:49 +0000 (18:29 +0000)]
Modify DisassembleThumb2LdStEx() to be more robust/correct in light of recent change to
t2LDREX/t2STREX instructions.  Add two test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128293 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMC: Improve some diagnostics on uses of '.' pseudo-symbol.
Daniel Dunbar [Fri, 25 Mar 2011 17:47:17 +0000 (17:47 +0000)]
MC: Improve some diagnostics on uses of '.' pseudo-symbol.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128289 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTidyness.
Daniel Dunbar [Fri, 25 Mar 2011 17:47:14 +0000 (17:47 +0000)]
Tidyness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128288 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a note.
Benjamin Kramer [Fri, 25 Mar 2011 17:32:40 +0000 (17:32 +0000)]
Add a note.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128286 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInstruction formats of SWP/SWPB were changed from LdStExFrm to MiscFrm. Modify the...
Johnny Chen [Fri, 25 Mar 2011 17:31:16 +0000 (17:31 +0000)]
Instruction formats of SWP/SWPB were changed from LdStExFrm to MiscFrm.  Modify the disassembler to handle that.

rdar://problem/9184053

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128285 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoEmit less labels for debug info and stop emitting .loc directives for DBG_VALUEs.
Jakob Stoklund Olesen [Fri, 25 Mar 2011 17:20:59 +0000 (17:20 +0000)]
Emit less labels for debug info and stop emitting .loc directives for DBG_VALUEs.

The .dot directives don't need labels, that is a leftover from when we created
line number info manually.

Instructions following a DBG_VALUE can share its label since the DBG_VALUE
doesn't produce any code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128284 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAlso need to handle invalid imod values for CPS2p.
Johnny Chen [Fri, 25 Mar 2011 17:03:12 +0000 (17:03 +0000)]
Also need to handle invalid imod values for CPS2p.

rdar://problem/9186136

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128283 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUseful script for finding regressions in the nightly testsuite.
Duncan Sands [Fri, 25 Mar 2011 07:17:44 +0000 (07:17 +0000)]
Useful script for finding regressions in the nightly testsuite.
I think it was written by Pawel Worach.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128268 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove redundant compression option.
Bill Wendling [Fri, 25 Mar 2011 06:43:59 +0000 (06:43 +0000)]
Remove redundant compression option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128267 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix for -pre-RA-sched=source.
Andrew Trick [Fri, 25 Mar 2011 06:40:55 +0000 (06:40 +0000)]
Fix for -pre-RA-sched=source.

Yet another case of unchecked NULL node (for physreg copy).
May fix PR9509.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128266 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNo functionality change, just adjust some whitespace for coding style compliance.
Nick Lewycky [Fri, 25 Mar 2011 06:05:50 +0000 (06:05 +0000)]
No functionality change, just adjust some whitespace for coding style compliance.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128257 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNo functionality change. Fix up some whitespace and switch out "" for '' when
Nick Lewycky [Fri, 25 Mar 2011 06:04:26 +0000 (06:04 +0000)]
No functionality change. Fix up some whitespace and switch out "" for '' when
printing a single character.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128256 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIgnore special ARM allocation hints for unexpected register classes.
Jakob Stoklund Olesen [Fri, 25 Mar 2011 01:48:18 +0000 (01:48 +0000)]
Ignore special ARM allocation hints for unexpected register classes.

Add an assertion to linear scan to prevent it from allocating registers outside
the register class.

<rdar://problem/9183021>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128254 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoModify the wrong logic in the assert of DisassembleThumb2LdStDual() (the register...
Johnny Chen [Fri, 25 Mar 2011 01:09:48 +0000 (01:09 +0000)]
Modify the wrong logic in the assert of DisassembleThumb2LdStDual() (the register classes were changed),
modify the comment to be up-to-date, and add a test case for A8.6.66 LDRD (immediate) Encoding T1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128252 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agodelegate the disassembly of t2ADR to the more generic t2ADDri12/t2SUBri12 instruction...
Johnny Chen [Fri, 25 Mar 2011 00:17:42 +0000 (00:17 +0000)]
delegate the disassembly of t2ADR to the more generic t2ADDri12/t2SUBri12 instructions, and add a test case for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128249 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThe opcode names ("tLDM", "tLDM_UPD") used for conflict resolution have been stale...
Johnny Chen [Thu, 24 Mar 2011 23:42:31 +0000 (23:42 +0000)]
The opcode names ("tLDM", "tLDM_UPD") used for conflict resolution have been stale since
the change to ("tLDMIA", "tLDMIA_UPD").  Update the conflict resolution code and add
test cases for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128247 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThe ARM disassembler was confused with the 16-bit tSTMIA instruction.
Johnny Chen [Thu, 24 Mar 2011 23:21:14 +0000 (23:21 +0000)]
The ARM disassembler was confused with the 16-bit tSTMIA instruction.
According to A8.6.189 STM/STMIA/STMEA (Encoding T1), there's only tSTMIA_UPD available.
Ignore tSTMIA for the decoder emitter and add a test case for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128246 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove test in x86 specific area.
Devang Patel [Thu, 24 Mar 2011 22:39:09 +0000 (22:39 +0000)]
Move test in x86 specific area.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128245 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSuppress an unused variable warning in -asserts builds
Matt Beaumont-Gay [Thu, 24 Mar 2011 22:05:48 +0000 (22:05 +0000)]
Suppress an unused variable warning in -asserts builds

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128244 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoHandle the added VBICiv*i* NEON instructions, too.
Johnny Chen [Thu, 24 Mar 2011 22:04:39 +0000 (22:04 +0000)]
Handle the added VBICiv*i* NEON instructions, too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128243 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTestcase for llvm-gcc commit r128230.
Eric Christopher [Thu, 24 Mar 2011 21:59:03 +0000 (21:59 +0000)]
Testcase for llvm-gcc commit r128230.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128242 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPlug a leak by ThumbDisassembler::getInstruction(), thanks to Benjamin Kramer!
Johnny Chen [Thu, 24 Mar 2011 21:42:55 +0000 (21:42 +0000)]
Plug a leak by ThumbDisassembler::getInstruction(), thanks to Benjamin Kramer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128241 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoT2 Load/Store Multiple:
Johnny Chen [Thu, 24 Mar 2011 21:36:56 +0000 (21:36 +0000)]
T2 Load/Store Multiple:
These instructions were changed to not embed the addressing mode within the MC instructions
We also need to update the corresponding assert stmt.  Also add a test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128240 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPlug a leak in the arm disassembler and put the tests back.
Benjamin Kramer [Thu, 24 Mar 2011 21:14:28 +0000 (21:14 +0000)]
Plug a leak in the arm disassembler and put the tests back.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128238 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd asm parsing support w/ testcases for strex/ldrex family of instructions
Bruno Cardoso Lopes [Thu, 24 Mar 2011 21:04:58 +0000 (21:04 +0000)]
Add asm parsing support w/ testcases for strex/ldrex family of instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128236 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove these two test files as they cause llvm-i686-linux-vg_leak build to fail ...
Johnny Chen [Thu, 24 Mar 2011 20:56:23 +0000 (20:56 +0000)]
Remove these two test files as they cause llvm-i686-linux-vg_leak build to fail 'test-llvm'.
These two are test cases which should result in 'invalid instruction encoding' from running llvm-mc -disassemble.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128235 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoADR was added with the wrong encoding for inst{24-21}, and the ARM decoder was fooled.
Johnny Chen [Thu, 24 Mar 2011 20:42:48 +0000 (20:42 +0000)]
ADR was added with the wrong encoding for inst{24-21}, and the ARM decoder was fooled.
Set the encoding bits to {0,?,?,0}, not 0.  Plus delegate the disassembly of ADR to
the more generic ADDri/SUBri instructions, and add a test case for that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128234 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoKeep track of directory namd and fIx regression caused by Rafael's patch r119613.
Devang Patel [Thu, 24 Mar 2011 20:30:50 +0000 (20:30 +0000)]
Keep track of directory namd and fIx regression caused by Rafael's patch r119613.

A better approach would be to move source id handling inside MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128233 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoClean up assembly statement separator support.
Jim Grosbach [Thu, 24 Mar 2011 18:46:34 +0000 (18:46 +0000)]
Clean up assembly statement separator support.

The MC asm lexer wasn't honoring a non-default (anything but ';') statement
separator. Fix that, and generalize a bit to support multi-character
statement separators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128227 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThe r118201 added support for VORR (immediate). Update ARMDisassemblerCore.cpp to...
Johnny Chen [Thu, 24 Mar 2011 18:40:38 +0000 (18:40 +0000)]
The r118201 added support for VORR (immediate).  Update ARMDisassemblerCore.cpp to disassemble the
VORRiv*i* instructions properly within the DisassembleN1RegModImmFrm() function.  Add a test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128226 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd comments to the handling of opcode CPS3p to reject invalid instruction encoding,
Johnny Chen [Thu, 24 Mar 2011 17:04:22 +0000 (17:04 +0000)]
Add comments to the handling of opcode CPS3p to reject invalid instruction encoding,
a test case of invalid CPS3p encoding and one for invalid VLDMSDB due to regs out of range.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128220 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorevert r128199 until it can be made to work with Frontend/dependency-gen.c.
Andrew Trick [Thu, 24 Mar 2011 16:43:37 +0000 (16:43 +0000)]
revert r128199 until it can be made to work with Frontend/dependency-gen.c.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128218 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDebug intrinsics must be skipped at the beginning and ends of blocks, lest they
Cameron Zwarich [Thu, 24 Mar 2011 16:34:59 +0000 (16:34 +0000)]
Debug intrinsics must be skipped at the beginning and ends of blocks, lest they
affect the generated code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128217 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix typo in comment.
Jay Foad [Thu, 24 Mar 2011 16:18:19 +0000 (16:18 +0000)]
Fix typo in comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128216 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agofix description, PR9542
Chris Lattner [Thu, 24 Mar 2011 16:13:31 +0000 (16:13 +0000)]
fix description, PR9542

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128214 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIt is enough for the CallInst to have no uses to be made a tail call with a ret
Cameron Zwarich [Thu, 24 Mar 2011 15:54:11 +0000 (15:54 +0000)]
It is enough for the CallInst to have no uses to be made a tail call with a ret
void; it doesn't need to have a void type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128212 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agos/UpdateDT/ModifiedDT/g
Devang Patel [Thu, 24 Mar 2011 15:35:25 +0000 (15:35 +0000)]
s/UpdateDT/ModifiedDT/g

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128211 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTarget/X86: [PR8777][PR8778] Tweak alloca/chkstk for Windows targets.
NAKAMURA Takumi [Thu, 24 Mar 2011 07:07:00 +0000 (07:07 +0000)]
Target/X86: [PR8777][PR8778] Tweak alloca/chkstk for Windows targets.

FIXME: Some cleanups would be needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128206 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agollvm-stub.cpp: mingw-w64 tweak.
NAKAMURA Takumi [Thu, 24 Mar 2011 07:06:45 +0000 (07:06 +0000)]
llvm-stub.cpp: mingw-w64 tweak.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128205 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd comment to clarify what MachineConstantPoolEntry::isMachineConstantPoolEntry...
Evan Cheng [Thu, 24 Mar 2011 06:28:45 +0000 (06:28 +0000)]
Add comment to clarify what MachineConstantPoolEntry::isMachineConstantPoolEntry() means.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128204 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoNasty bug in ARMBaseInstrInfo::produceSameValue(). The MachineConstantPoolEntry
Evan Cheng [Thu, 24 Mar 2011 06:20:03 +0000 (06:20 +0000)]
Nasty bug in ARMBaseInstrInfo::produceSameValue(). The MachineConstantPoolEntry
entries being compared may not be ARMConstantPoolValue. Without checking
whether they are ARMConstantPoolValue first, and if the stars and moons
are aligned properly, the equality test may return true (when the first few
words of two Constants' values happen to be identical) and very bad things can
happen.

rdar://9125354

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128203 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove all uses of PATH_MAX and MAXPATHLEN from PathV2.
Michael J. Spencer [Thu, 24 Mar 2011 05:23:40 +0000 (05:23 +0000)]
Remove all uses of PATH_MAX and MAXPATHLEN from PathV2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128199 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDo early taildup of ret in CodeGenPrepare for potential tail calls that have a
Cameron Zwarich [Thu, 24 Mar 2011 04:52:10 +0000 (04:52 +0000)]
Do early taildup of ret in CodeGenPrepare for potential tail calls that have a
void return type. This fixes PR9487.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128197 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUse an early return instead of a long if block.
Cameron Zwarich [Thu, 24 Mar 2011 04:52:07 +0000 (04:52 +0000)]
Use an early return instead of a long if block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128196 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWhen UpdateDT is set, DT is invalid, which could cause problems when trying to
Cameron Zwarich [Thu, 24 Mar 2011 04:52:04 +0000 (04:52 +0000)]
When UpdateDT is set, DT is invalid, which could cause problems when trying to
use it later. I couldn't make a test that hits this with the current code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128195 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCheck for TLI so that -codegenprepare can be used from opt.
Cameron Zwarich [Thu, 24 Mar 2011 04:51:51 +0000 (04:51 +0000)]
Check for TLI so that -codegenprepare can be used from opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128194 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCPS3p: Let's reject impossible imod values by returning false from the DisassembleMis...
Johnny Chen [Thu, 24 Mar 2011 02:24:36 +0000 (02:24 +0000)]
CPS3p: Let's reject impossible imod values by returning false from the DisassembleMiscFrm() function.

Fixed rdar://problem/9179416 ARM disassembler crash: "Unknown imod operand" (fuzz testing)

Opcode=98 Name=CPS3p Format=ARM_FORMAT_MISCFRM(26)
 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0
-------------------------------------------------------------------------------------------------
| 1: 1: 1: 1| 0: 0: 0: 1| 0: 0: 0: 0| 0: 0: 1: 0| 0: 0: 0: 1| 1: 1: 0: 0| 1: 0: 0: 1| 0: 0: 1: 1|
-------------------------------------------------------------------------------------------------

Before:
cpsUnknown imod operand
UNREACHABLE executed at /Volumes/data/lldb/llvm/lib/Target/ARM/InstPrinter/../ARMBaseInfo.h:123!

After:
/Volumes/data/Radar/9179416/mc-input-arm.txt:1:1: warning: invalid instruction encoding
0x93 0x1c 0x2 0xf1
^

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128192 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoLoad/Store Multiple:
Johnny Chen [Thu, 24 Mar 2011 01:40:42 +0000 (01:40 +0000)]
Load/Store Multiple:
These instructions were changed to not embed the addressing mode within the MC instructions
We also need to update the corresponding assert stmt.  Also add two test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128191 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoSTRT and STRBT was incorrectly tagged as IndexModeNone during the refactorings (r119821).
Johnny Chen [Thu, 24 Mar 2011 01:07:26 +0000 (01:07 +0000)]
STRT and STRBT was incorrectly tagged as IndexModeNone during the refactorings (r119821).
We now tag them as IndexModePost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128189 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThe r128103 fix to cope with the removal of addressing modes from the MC instructions
Johnny Chen [Thu, 24 Mar 2011 00:28:38 +0000 (00:28 +0000)]
The r128103 fix to cope with the removal of addressing modes from the MC instructions
were incomplete.  The assert stmt needs to be updated and the operand index incrment is wrong.
Fix the bad logic and add some sanity checking to detect bad instruction encoding;
and add a test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128186 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRuntime dylib simple ARM 24-bit branch relocation support.
Jim Grosbach [Wed, 23 Mar 2011 23:35:17 +0000 (23:35 +0000)]
Runtime dylib simple ARM 24-bit branch relocation support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128184 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoEnable GlobalMerge on darwin.
Devang Patel [Wed, 23 Mar 2011 23:34:19 +0000 (23:34 +0000)]
Enable GlobalMerge on darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128183 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix comments.
Jim Grosbach [Wed, 23 Mar 2011 23:32:48 +0000 (23:32 +0000)]
Fix comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128182 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r128175.
Andrew Trick [Wed, 23 Mar 2011 23:11:02 +0000 (23:11 +0000)]
Revert r128175.

I'm backing this out for the second time. It was supposed to be fixed by r128164, but the mingw self-host must be defeating the fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128181 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCmp peephole optimization isn't always safe for signed arithmetics.
Evan Cheng [Wed, 23 Mar 2011 22:52:04 +0000 (22:52 +0000)]
Cmp peephole optimization isn't always safe for signed arithmetics.

int tries = INT_MAX;
while (tries > 0) {
      tries--;
}

The check should be:
        subs    r4, #1
        cmp     r4, #0
        bgt     LBB0_1

The subs can set the overflow V bit when r4 is INT_MAX+1 (which loop
canonicalization apparently does in this case). cmp #0 would have cleared
it while not changing the N and Z bits. Since BGT is dependent on the V
bit, i.e. (N == V) && !Z, it is not safe to eliminate the cmp #0.

rdar://9172742

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128179 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR9535: add support for splitting and scalarizing vector ISD::FP_ROUND.
Eli Friedman [Wed, 23 Mar 2011 22:18:48 +0000 (22:18 +0000)]
PR9535: add support for splitting and scalarizing vector ISD::FP_ROUND.

Also cleaning up some duplicated code while I'm here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128176 91177308-0d34-0410-b5e6-96231b3b80d8