oota-llvm.git
14 years agoRemove tab characters and 80-col.
Eric Christopher [Mon, 12 Jul 2010 05:26:37 +0000 (05:26 +0000)]
Remove tab characters and 80-col.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108127 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago80 columns.
Eric Christopher [Mon, 12 Jul 2010 05:13:35 +0000 (05:13 +0000)]
80 columns.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108126 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoPath::isRootDirectory is unimplemented on Unix and not used,
Chris Lattner [Mon, 12 Jul 2010 04:39:07 +0000 (04:39 +0000)]
Path::isRootDirectory is unimplemented on Unix and not used,
remove it, fixing PR6909.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108125 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoConvert getLoadStoreRegOpcode to use a switch.
Rafael Espindola [Mon, 12 Jul 2010 03:43:04 +0000 (03:43 +0000)]
Convert getLoadStoreRegOpcode to use a switch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108123 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoConvert the last use of getPhysicalRegisterRegClass and remove it.
Rafael Espindola [Mon, 12 Jul 2010 02:55:34 +0000 (02:55 +0000)]
Convert the last use of getPhysicalRegisterRegClass and remove it.

AggressiveAntiDepBreaker should not be using getPhysicalRegisterRegClass. An
instruction might be using a register that can only be replaced with one from
a subclass of getPhysicalRegisterRegClass.

With this patch we use getMinimalPhysRegClass. This is correct, but
conservative. We should check the uses of the register and select the
largest register class that can be used in all of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108122 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix up the ocaml kaleidoscope example as well.
Eric Christopher [Mon, 12 Jul 2010 02:32:44 +0000 (02:32 +0000)]
Fix up the ocaml kaleidoscope example as well.

Note that the example currently doesn't appear to work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108121 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoA basic block that only uses RFP registers still needs the FP_REG_KILL marker.
Jakob Stoklund Olesen [Mon, 12 Jul 2010 02:12:47 +0000 (02:12 +0000)]
A basic block that only uses RFP registers still needs the FP_REG_KILL marker.

This fixes PR7375.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108120 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't use getPhysicalRegisterRegClass in PBQP. The existing checks that the
Rafael Espindola [Mon, 12 Jul 2010 01:45:38 +0000 (01:45 +0000)]
Don't use getPhysicalRegisterRegClass in PBQP. The existing checks that the
physical register can be allocated in the class of the virtual are sufficient.

I think that the test for virtual registers is more strict than it needs to be,
it should be possible to coalesce two virtual registers the class of one
is a subclass of the other.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108118 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix PR7311 by avoiding breaking casts when a bitcast from scalar->vector
Chris Lattner [Mon, 12 Jul 2010 01:19:22 +0000 (01:19 +0000)]
fix PR7311 by avoiding breaking casts when a bitcast from scalar->vector
is involved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108117 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agomake the prototypes for CreateMalloc and CreateFree more consistent. Patch
Chris Lattner [Mon, 12 Jul 2010 00:57:28 +0000 (00:57 +0000)]
make the prototypes for CreateMalloc and CreateFree more consistent.  Patch
by Hans Vandierendonck from PR7605

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108116 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoConvert the last getPhysicalRegisterRegClass in VirtRegRewriter.cpp to
Rafael Espindola [Mon, 12 Jul 2010 00:52:33 +0000 (00:52 +0000)]
Convert the last getPhysicalRegisterRegClass in VirtRegRewriter.cpp to
getMinimalPhysRegClass. It was used to produce spills, and it is better to
use the most specific class if possible.

Update getLoadStoreRegOpcode to handle GR32_AD.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108115 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoif jump threading is able to infer interesting values on both
Chris Lattner [Mon, 12 Jul 2010 00:47:34 +0000 (00:47 +0000)]
if jump threading is able to infer interesting values on both
the LHS and RHS of an and/or instruction, don't multiply add
known predecessor values.  This fixes the crash on testcase
from PR7498

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108114 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix PR7429, a crash turning a load from a string into a float.
Chris Lattner [Mon, 12 Jul 2010 00:22:51 +0000 (00:22 +0000)]
fix PR7429, a crash turning a load from a string into a float.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108113 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoconvert to filechecconvert to filecheckk
Chris Lattner [Mon, 12 Jul 2010 00:21:10 +0000 (00:21 +0000)]
convert to filechecconvert to filecheckk

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108112 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agomerge two tests.
Chris Lattner [Mon, 12 Jul 2010 00:19:47 +0000 (00:19 +0000)]
merge two tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108111 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoimprove Path::makeUnique when mkstemp/mktemp are not available
Chris Lattner [Mon, 12 Jul 2010 00:09:55 +0000 (00:09 +0000)]
improve Path::makeUnique when mkstemp/mktemp are not available
patch by Lasse Kärkkäinen in PR7404.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108110 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agochange machinelicm to use MachineInstr::isSafeToMove. No
Chris Lattner [Mon, 12 Jul 2010 00:00:35 +0000 (00:00 +0000)]
change machinelicm to use MachineInstr::isSafeToMove.  No
intended functionality change.

The avoidance of hoistiing implicitdef seems wrong though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108109 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofirst part of JIT support for address of labels, part of PR7264,
Chris Lattner [Sun, 11 Jul 2010 23:07:28 +0000 (23:07 +0000)]
first part of JIT support for address of labels, part of PR7264,
patch by Yuri!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108107 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agointroduce WinCOFFObjectWriter, patch by Michael Spencer!
Chris Lattner [Sun, 11 Jul 2010 22:07:02 +0000 (22:07 +0000)]
introduce WinCOFFObjectWriter, patch by Michael Spencer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108103 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agointroduce WinCOFFStreamer.cpp, patch by Michael Spencer!
Chris Lattner [Sun, 11 Jul 2010 22:05:00 +0000 (22:05 +0000)]
introduce WinCOFFStreamer.cpp, patch by Michael Spencer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108102 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoIf it's safe to speculatively execute load(alloca) the it's safe to execute
Nick Lewycky [Sun, 11 Jul 2010 20:36:29 +0000 (20:36 +0000)]
If it's safe to speculatively execute load(alloca) the it's safe to execute
load(gep(alloca)) where the gep is all-zeros. There's more we could do here but
this is a common case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108101 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix typo
Chris Lattner [Sun, 11 Jul 2010 19:42:53 +0000 (19:42 +0000)]
fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108100 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRISC architectures get their memory operand folding for free.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 19:19:13 +0000 (19:19 +0000)]
RISC architectures get their memory operand folding for free.

The only folding these load/store architectures can do is converting COPY into a
load or store, and the target independent part of foldMemoryOperand already
knows how to do that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108099 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse target independent COPY instructions for the fake fextend and fround
Jakob Stoklund Olesen [Sun, 11 Jul 2010 18:19:39 +0000 (18:19 +0000)]
Use target independent COPY instructions for the fake fextend and fround
operations in x87 code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108098 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove redundant branch. Thanks, Anton!
Jakob Stoklund Olesen [Sun, 11 Jul 2010 17:17:35 +0000 (17:17 +0000)]
Remove redundant branch. Thanks, Anton!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108097 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove obsolete README_SSE note.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 17:13:42 +0000 (17:13 +0000)]
Remove obsolete README_SSE note.

We are generating movaps for all XMM register copies, including scalar
floating point values. This is known to be at least as good as movss and movsd
for all known architectures up to and including Nehalem because it avoids a
partial register stall.

The SSEDomainFix pass will switch movaps to movdqa when appropriate (i.e., when
operands come from the integer unit). We don't now that switching movaps to
movapd has any benefit.

The same applies to andps -> pand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108096 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove TargetInstrInfo::copyRegToReg entirely.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 17:01:17 +0000 (17:01 +0000)]
Remove TargetInstrInfo::copyRegToReg entirely.

Targets must now implement TargetInstrInfo::copyPhysReg instead. There is no
longer a default implementation forwarding to copyRegToReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108095 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake getPhysicalRegisterRegClass non-virtual. Should be able to remove it soon.
Rafael Espindola [Sun, 11 Jul 2010 16:49:10 +0000 (16:49 +0000)]
Make getPhysicalRegisterRegClass non-virtual. Should be able to remove it soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108094 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoConvert uses of getPhysicalRegisterRegClass in VirtRegRewriter.cpp.
Rafael Espindola [Sun, 11 Jul 2010 16:45:17 +0000 (16:45 +0000)]
Convert uses of getPhysicalRegisterRegClass in VirtRegRewriter.cpp.

The first one was used just to call isSafeToMoveRegClassDefs. In
general, using a more specific reg class is better, in practice only
x86 implements that method and the results are always the same.

The second one is in FindFreeRegister and is used to check if a register
is in a register class, a much more direct call to contains is better as
it should cover more cases and is faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108093 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for SystemZ.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 16:40:46 +0000 (16:40 +0000)]
Replace copyRegToReg with copyPhysReg for SystemZ.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108092 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAvoid SSE instructions in FastIsel when it is not available.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 16:22:13 +0000 (16:22 +0000)]
Avoid SSE instructions in FastIsel when it is not available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108091 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove two other uses of ATTRIBUTE_UNUSED for variables only used within
Chandler Carruth [Sun, 11 Jul 2010 08:18:12 +0000 (08:18 +0000)]
Remove two other uses of ATTRIBUTE_UNUSED for variables only used within
assert()s, switching to void-casts. Removed an unneeded Compiler.h include as
a result. There are two other uses in LLVM, but they're not due to assert()s,
so I've left them alone.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108088 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for XCore.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 07:56:13 +0000 (07:56 +0000)]
Replace copyRegToReg with copyPhysReg for XCore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108087 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for Sparc.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 07:56:09 +0000 (07:56 +0000)]
Replace copyRegToReg with copyPhysReg for Sparc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108086 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for CellSPU.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 07:31:03 +0000 (07:31 +0000)]
Replace copyRegToReg with copyPhysReg for CellSPU.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108084 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for PowerPC.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 07:31:00 +0000 (07:31 +0000)]
Replace copyRegToReg with copyPhysReg for PowerPC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108083 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix PIC16 comments referencing copyRegToReg.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 07:30:57 +0000 (07:30 +0000)]
Fix PIC16 comments referencing copyRegToReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108082 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for PIC16.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 06:53:33 +0000 (06:53 +0000)]
Replace copyRegToReg with copyPhysReg for PIC16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108081 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for MSP430.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 06:53:30 +0000 (06:53 +0000)]
Replace copyRegToReg with copyPhysReg for MSP430.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108080 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for MBlaze.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 06:53:27 +0000 (06:53 +0000)]
Replace copyRegToReg with copyPhysReg for MBlaze.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108079 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for ARM.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 06:33:54 +0000 (06:33 +0000)]
Replace copyRegToReg with copyPhysReg for ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108078 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for Blackfin.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 05:44:34 +0000 (05:44 +0000)]
Replace copyRegToReg with copyPhysReg for Blackfin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108077 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoX86InstrInfo::copyRegToReg is dead. Long live copyPhysReg!
Jakob Stoklund Olesen [Sun, 11 Jul 2010 05:44:30 +0000 (05:44 +0000)]
X86InstrInfo::copyRegToReg is dead. Long live copyPhysReg!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108076 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove copyRegToReg from TargetInstrInfo so it is not longer accesible.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 05:17:06 +0000 (05:17 +0000)]
Remove copyRegToReg from TargetInstrInfo so it is not longer accesible.

Use a COPY instruction instead for register copies, or TII::copyPhysReg() after
COPY instructions are lowered.

Targets should implement copyPhysReg instead of copyRegToReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108075 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse COPY in X86FastISel::X86SelectRet.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 05:17:02 +0000 (05:17 +0000)]
Use COPY in X86FastISel::X86SelectRet.

Don't try a cross-class copy. That is very unlikely anywy since return value
registers are usually register class friendly. (%EAX, %XMM0, etc).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108074 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse COPY for fast-isel bitconvert, but don't create cross-class copies.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 05:16:54 +0000 (05:16 +0000)]
Use COPY for fast-isel bitconvert, but don't create cross-class copies.

This doesn't change the behavior of SelectBitcast for X86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108073 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix va_arg for doubles. With this patch VAARG nodes always contain the
Rafael Espindola [Sun, 11 Jul 2010 04:01:49 +0000 (04:01 +0000)]
Fix va_arg for doubles. With this patch VAARG nodes always contain the
correct alignment information, which simplifies ExpandRes_VAARG a bit.

The patch introduces a new alignment information to TargetLoweringInfo. This is
needed since the two natural candidates cannot be used:

* The 's' in target data: If this is set to the minimal alignment of any
  argument, getCallFrameTypeAlignment would return 4 for doubles on ARM for
  example.
* The getTransientStackAlignment method. It is possible for an architecture to
  have argument less aligned than what we maintain the stack pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108072 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with COPY in FastISelEmitter.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 03:53:50 +0000 (03:53 +0000)]
Replace copyRegToReg with COPY in FastISelEmitter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108071 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse COPY for extracting ImplicitDef'ed values from fast-isel instructions.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 03:31:05 +0000 (03:31 +0000)]
Use COPY for extracting ImplicitDef'ed values from fast-isel instructions.

This assumes that the registers can be copied which is probably a safe
assumption.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108070 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse COPY in FastISel everywhere it is safe and trivial.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 03:31:00 +0000 (03:31 +0000)]
Use COPY in FastISel everywhere it is safe and trivial.

The remaining copyRegToReg calls actually check the return value (shock!), so we
cannot trivially replace them with COPY instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108069 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for Mips.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 01:08:31 +0000 (01:08 +0000)]
Replace copyRegToReg with copyPhysReg for Mips.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108066 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with copyPhysReg for Alpha.
Jakob Stoklund Olesen [Sun, 11 Jul 2010 01:08:23 +0000 (01:08 +0000)]
Replace copyRegToReg with copyPhysReg for Alpha.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108065 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agosdiv overflow is outright undefined behavior, with or without the
Dan Gohman [Sun, 11 Jul 2010 00:08:34 +0000 (00:08 +0000)]
sdiv overflow is outright undefined behavior, with or without the
'exact' keyword. Thanks to nlewycky for pointing this out!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108064 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse COPY in targets
Jakob Stoklund Olesen [Sat, 10 Jul 2010 22:43:03 +0000 (22:43 +0000)]
Use COPY in targets

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108063 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReplace copyRegToReg with COPY everywhere in lib/CodeGen except for FastISel.
Jakob Stoklund Olesen [Sat, 10 Jul 2010 22:42:59 +0000 (22:42 +0000)]
Replace copyRegToReg with COPY everywhere in lib/CodeGen except for FastISel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108062 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoOnly collect subreg extracting copies for later coalescing.
Jakob Stoklund Olesen [Sat, 10 Jul 2010 22:42:53 +0000 (22:42 +0000)]
Only collect subreg extracting copies for later coalescing.
This also avoids fatal copies from physregs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108061 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix a bug in the code which re-inserts DBG_VALUE nodes after scheduling;
Dan Gohman [Sat, 10 Jul 2010 22:42:31 +0000 (22:42 +0000)]
Fix a bug in the code which re-inserts DBG_VALUE nodes after scheduling;
if a block is split (by a custom inserter), the insert point may be in a
different block than it was originally. This fixes 32-bit llvm-gcc
bootstrap builds, and I haven't been able to reproduce it otherwise.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108060 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix this test.
Dan Gohman [Sat, 10 Jul 2010 22:42:12 +0000 (22:42 +0000)]
Fix this test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108059 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThe accumulator tail recursion transform claims to work for any associative
Duncan Sands [Sat, 10 Jul 2010 20:31:42 +0000 (20:31 +0000)]
The accumulator tail recursion transform claims to work for any associative
operation, but the way it's implemented requires the operation to also be
commutative.  So add a check for commutativity (and tweak the corresponding
comments).  This makes no difference in practice since every associative
LLVM instruction is also commutative!  Here's an example to show the need
for commutativity: the accum_recursion.ll testcase calculates the factorial
function.  Before the transformation the result of a call is
  ((((1*1)*2)*3)...)*x
while afterwards it is
  (((1*x)*(x-1))...*2)*1
which clearly requires both associativity and commutativity of * to be equal
to the original.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108056 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoEmit COPY instructions instead of using copyRegToReg in InstrEmitter,
Jakob Stoklund Olesen [Sat, 10 Jul 2010 19:08:25 +0000 (19:08 +0000)]
Emit COPY instructions instead of using copyRegToReg in InstrEmitter,
ScheduleDAGEmit, TwoAddressLowering, and PHIElimination.

This switches the bulk of register copies to using COPY, but many less used
copyRegToReg calls remain.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108050 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse non-bool values for .count.
Bill Wendling [Sat, 10 Jul 2010 18:56:35 +0000 (18:56 +0000)]
Use non-bool values for .count.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108048 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't emit st(0)/st(1) copies as FpMOV instructions. Use FpSET_ST? instead.
Jakob Stoklund Olesen [Sat, 10 Jul 2010 17:42:34 +0000 (17:42 +0000)]
Don't emit st(0)/st(1) copies as FpMOV instructions. Use FpSET_ST? instead.

Based on a patch by Rafael Espíndola.

Attempt to make the FpSET_ST1 hack more robust, but we are still relying on
FpSET_ST0 preceeding it. This is only for supporting really weird x87 inline
asm.

We support:

  FpSET_ST0
  INLINEASM

  FpSET_ST0
  FpSET_ST1
  INLINEASM

with and without kills on the arguments. We don't support:

  FpSET_ST1
  FpSET_ST0
  INLINEASM

nor

  FpSET_ST1
  INLINEASM

Just Don't Do It!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108047 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFileCheckize inline asm FP stack tests
Jakob Stoklund Olesen [Sat, 10 Jul 2010 16:30:25 +0000 (16:30 +0000)]
FileCheckize inline asm FP stack tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108046 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoInsert IMPLICIT_DEF instructions at the current insert position, not
Dan Gohman [Sat, 10 Jul 2010 13:55:45 +0000 (13:55 +0000)]
Insert IMPLICIT_DEF instructions at the current insert position, not
at the end of the block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108045 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd parentheses yet again to satisfy GCC's warnings.
Chandler Carruth [Sat, 10 Jul 2010 12:06:22 +0000 (12:06 +0000)]
Add parentheses yet again to satisfy GCC's warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108043 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd an explicit triple to make this test behave consistently.
Dan Gohman [Sat, 10 Jul 2010 09:01:35 +0000 (09:01 +0000)]
Add an explicit triple to make this test behave consistently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108041 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix this XTARGET so that this does doesn't XPASS on non-darwin hosts.
Dan Gohman [Sat, 10 Jul 2010 09:01:03 +0000 (09:01 +0000)]
Fix this XTARGET so that this does doesn't XPASS on non-darwin hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108040 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReapply bottom-up fast-isel, with several fixes for x86-32:
Dan Gohman [Sat, 10 Jul 2010 09:00:22 +0000 (09:00 +0000)]
Reapply bottom-up fast-isel, with several fixes for x86-32:
 - Check getBytesToPopOnReturn().
 - Eschew ST0 and ST1 for return values.
 - Fix the PIC base register initialization so that it doesn't ever
   fail to end up the top of the entry block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108039 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAn x86 function returns a floating point value in st(0), and we must make sure
Jakob Stoklund Olesen [Sat, 10 Jul 2010 04:04:25 +0000 (04:04 +0000)]
An x86 function returns a floating point value in st(0), and we must make sure
it is popped, even if it is ununsed. A CopyFromReg node is too weak to represent
the required sideeffect, so insert an FpGET_ST0 instruction directly instead.

This will matter when CopyFromReg gets lowered to a generic COPY instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108037 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUpdate DBG_VALUE to refer appropriate stack slot in case of a spill.
Devang Patel [Fri, 9 Jul 2010 21:48:31 +0000 (21:48 +0000)]
Update DBG_VALUE to refer appropriate stack slot in case of a spill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108023 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDeclare YMM subregisters in the right way! Thanks Jakob
Bruno Cardoso Lopes [Fri, 9 Jul 2010 21:46:19 +0000 (21:46 +0000)]
Declare YMM subregisters in the right way! Thanks Jakob

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108022 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd AVX 256-bit packed MOVNT variants
Bruno Cardoso Lopes [Fri, 9 Jul 2010 21:42:42 +0000 (21:42 +0000)]
Add AVX 256-bit packed MOVNT variants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108021 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemember the *_TC opcodes for load/store
Jakob Stoklund Olesen [Fri, 9 Jul 2010 21:27:55 +0000 (21:27 +0000)]
Remember the *_TC opcodes for load/store

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108020 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd AVX 256-bit unpack and interleave
Bruno Cardoso Lopes [Fri, 9 Jul 2010 21:20:35 +0000 (21:20 +0000)]
Add AVX 256-bit unpack and interleave

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108017 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix small bug in isMoveInstr -> COPY translation
Jakob Stoklund Olesen [Fri, 9 Jul 2010 20:55:49 +0000 (20:55 +0000)]
Fix small bug in isMoveInstr -> COPY translation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108013 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAutomatically fold COPY instructions into stack load/store.
Jakob Stoklund Olesen [Fri, 9 Jul 2010 20:43:13 +0000 (20:43 +0000)]
Automatically fold COPY instructions into stack load/store.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108012 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix a few tests
Jakob Stoklund Olesen [Fri, 9 Jul 2010 20:43:09 +0000 (20:43 +0000)]
Fix a few tests

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108011 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemat uncoalescable COPY instrs
Jakob Stoklund Olesen [Fri, 9 Jul 2010 20:43:05 +0000 (20:43 +0000)]
Remat uncoalescable COPY instrs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108010 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoIn the presence of variable sized objects, allocate an emergency spill slot.
Jim Grosbach [Fri, 9 Jul 2010 20:27:06 +0000 (20:27 +0000)]
In the presence of variable sized objects, allocate an emergency spill slot.
rdar://8131327

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108008 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoClarify what mysterious check means.
Bill Wendling [Fri, 9 Jul 2010 19:44:12 +0000 (19:44 +0000)]
Clarify what mysterious check means.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108005 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd a target triple.
Dan Gohman [Fri, 9 Jul 2010 19:17:36 +0000 (19:17 +0000)]
Add a target triple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108003 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix MachineLICM to actually visit inner loops.
Dan Gohman [Fri, 9 Jul 2010 18:49:45 +0000 (18:49 +0000)]
Fix MachineLICM to actually visit inner loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108001 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoStart the support for AVX instructions with 256-bit %ymm registers. A couple of
Bruno Cardoso Lopes [Fri, 9 Jul 2010 18:27:43 +0000 (18:27 +0000)]
Start the support for AVX instructions with 256-bit %ymm registers. A couple of
notes:
- The instructions are being added with dummy placeholder patterns using some 256
  specifiers, this is not meant to work now, but since there are some multiclasses
  generic enough to accept them,  when we go for codegen, the stuff will be already
  there.
- Add VEX encoding bits to support YMM
- Add MOVUPS and MOVAPS in the first round
- Use "Y" as suffix for those Instructions: MOVUPSYrr, ...
- All AVX instructions in X86InstrSSE.td will move soon to a new X86InstrAVX
  file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107996 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoChange TII::foldMemoryOperand API to require the machine instruction to be
Jakob Stoklund Olesen [Fri, 9 Jul 2010 17:29:08 +0000 (17:29 +0000)]
Change TII::foldMemoryOperand API to require the machine instruction to be
inserted in a MBB, and return an already inserted MI.

This target API change is necessary to allow foldMemoryOperand to call
storeToStackSlot and loadFromStackSlot when folding a COPY to a stack slot
reference in a target independent way.

The foldMemoryOperandImpl hook is going to change in the same way, but I'll wait
until COPY folding is actually implemented. Most targets only fold copies and
won't need to specialize this hook at all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107991 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:51:20 +0000 (16:51 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107990 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove useless cast and fix typos in comment
Gabor Greif [Fri, 9 Jul 2010 16:42:04 +0000 (16:42 +0000)]
remove useless cast and fix typos in comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107989 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:39:02 +0000 (16:39 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107988 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago--- Reverse-merging r107947 into '.':
Bob Wilson [Fri, 9 Jul 2010 16:37:18 +0000 (16:37 +0000)]
--- Reverse-merging r107947 into '.':
U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107987 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:31:08 +0000 (16:31 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107984 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:26:41 +0000 (16:26 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107983 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:22:36 +0000 (16:22 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107982 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:17:52 +0000 (16:17 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107981 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:08:33 +0000 (16:08 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107980 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 16:01:21 +0000 (16:01 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107979 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:53:42 +0000 (15:53 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107978 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:52:36 +0000 (15:52 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107977 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:40:10 +0000 (15:40 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107976 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:25:42 +0000 (15:25 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107975 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:25:09 +0000 (15:25 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107974 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agocache result of operator*
Gabor Greif [Fri, 9 Jul 2010 15:01:36 +0000 (15:01 +0000)]
cache result of operator*

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107972 91177308-0d34-0410-b5e6-96231b3b80d8