11 years agoStringRef'ize EmitSourceFileHeader().
Ahmed Charles [Sun, 19 Feb 2012 11:35:20 +0000 (11:35 +0000)]
StringRef'ize EmitSourceFileHeader().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150917 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove some unneeded includes and fix ordering in X86ISelLowering.cpp. Remove unneede...
Craig Topper [Sun, 19 Feb 2012 07:15:48 +0000 (07:15 +0000)]
Remove some unneeded includes and fix ordering in X86ISelLowering.cpp. Remove unneeded 'using namespace'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150916 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd machinery for pushing live ranges onto bundle starts while bundling.
Lang Hames [Sun, 19 Feb 2012 07:13:05 +0000 (07:13 +0000)]
Add machinery for pushing live ranges onto bundle starts while bundling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150915 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSimplify moveEnteringDownFrom rules.
Lang Hames [Sun, 19 Feb 2012 06:13:56 +0000 (06:13 +0000)]
Simplify moveEnteringDownFrom rules.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150914 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUnify all shuffle mask checking functions take a mask and VT instead of VectorShuffle...
Craig Topper [Sun, 19 Feb 2012 05:41:45 +0000 (05:41 +0000)]
Unify all shuffle mask checking functions take a mask and VT instead of VectorShuffleSDNode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150913 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSkip through instructions rather than operands when looking for last use slot.
Lang Hames [Sun, 19 Feb 2012 04:38:25 +0000 (04:38 +0000)]
Skip through instructions rather than operands when looking for last use slot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150912 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAPFloat::toString(): Fix overrun at scanning.
NAKAMURA Takumi [Sun, 19 Feb 2012 03:18:29 +0000 (03:18 +0000)]
APFloat::toString(): Fix overrun at scanning.

FYI, clang/test/SemaTemplate/template-id-printing.cpp had been failing due to it on cygwin-clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150911 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix TODO and trailing whitespace.
Lang Hames [Sun, 19 Feb 2012 03:09:55 +0000 (03:09 +0000)]
Fix TODO and trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150910 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDefer sanity checks on live intervals until after all have been updated. Hold (LiveIn...
Lang Hames [Sun, 19 Feb 2012 03:00:30 +0000 (03:00 +0000)]
Defer sanity checks on live intervals until after all have been updated. Hold (LiveInterval, LiveRange) pairs to update, rather than vregs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150909 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake a bunch of X86ISelLowering shuffle functions static now that they are no longer...
Craig Topper [Sun, 19 Feb 2012 02:53:47 +0000 (02:53 +0000)]
Make a bunch of X86ISelLowering shuffle functions static now that they are no longer needed by isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150908 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agocomment fix ARM.h
Jia Liu [Sun, 19 Feb 2012 02:04:03 +0000 (02:04 +0000)]
comment fix ARM.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150904 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agosome comment fix for X86 and ARM
Jia Liu [Sun, 19 Feb 2012 02:03:36 +0000 (02:03 +0000)]
some comment fix for X86 and ARM

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150902 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd vmfunc instruction to X86 assembler and disassembler.
Craig Topper [Sun, 19 Feb 2012 01:39:49 +0000 (01:39 +0000)]
Add vmfunc instruction to X86 assembler and disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150899 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix issue with bitwise and precedence.
Ahmed Charles [Sat, 18 Feb 2012 22:56:41 +0000 (22:56 +0000)]
Fix issue with bitwise and precedence.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150897 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoHashing.h - utilities for hashing various data types.
Talin [Sat, 18 Feb 2012 21:00:49 +0000 (21:00 +0000)]
Hashing.h - utilities for hashing various data types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150890 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhite space fixes.
Rafael Espindola [Sat, 18 Feb 2012 19:46:02 +0000 (19:46 +0000)]
White space fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150886 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTemporarily disable this assert. Looks like it found a similar issue when
Rafael Espindola [Sat, 18 Feb 2012 17:51:43 +0000 (17:51 +0000)]
Temporarily disable this assert. Looks like it found a similar issue when
building bullet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150885 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't skip debug instructions when looking for the insertion point of
Rafael Espindola [Sat, 18 Feb 2012 17:22:58 +0000 (17:22 +0000)]
Don't skip debug instructions when looking for the insertion point of
the cast. If we do, we can end up with

   ---------------  < Insertion point
   dbg inst
   new inst

instead of the desired

   new inst
   ---------------  < Insertion point
   dbg inst

Another option would be for InsertNoopCastOfTo (or its callers) to move the
insertion point and we would end up with

   dbg inst
   new inst
   ---------------  < Insertion point

but that complicates the callers. This fixes PR12018 (and firefox's build).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150884 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoEmacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC...
Jia Liu [Sat, 18 Feb 2012 12:03:15 +0000 (12:03 +0000)]
Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOn Cygwin/MingW, add SharedLibDir and LLVMToolDir to the library search path, since...
David Meyer [Sat, 18 Feb 2012 10:03:19 +0000 (10:03 +0000)]
On Cygwin/MingW, add SharedLibDir and LLVMToolDir to the library search path, since shared libraries are placed in 'bin'. (static libraries are still in 'lib').

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150876 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd X86InstrSVM.td that I forgot to add in r150873.
Craig Topper [Sat, 18 Feb 2012 08:34:12 +0000 (08:34 +0000)]
Add X86InstrSVM.td that I forgot to add in r150873.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150874 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd X86 assembler and disassembler support for AMD SVM instructions. Original patch...
Craig Topper [Sat, 18 Feb 2012 08:19:49 +0000 (08:19 +0000)]
Add X86 assembler and disassembler support for AMD SVM instructions. Original patch by Kay Tiong Khoo. Few tweaks by me for code density and to reduce replication.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150873 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTrivial cleanup to group the generic 'armvN' cases with the 'arm' case,
Chandler Carruth [Sat, 18 Feb 2012 04:34:17 +0000 (04:34 +0000)]
Trivial cleanup to group the generic 'armvN' cases with the 'arm' case,
etc. No functionality changed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150867 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a rather nasty regression from r150690: LHS != RHS does not imply LHS->stripPoint...
Eli Friedman [Sat, 18 Feb 2012 03:29:25 +0000 (03:29 +0000)]
Fix a rather nasty regression from r150690: LHS != RHS does not imply LHS->stripPointerCasts() != RHS->stripPointerCasts().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150863 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix documentation.
Chad Rosier [Sat, 18 Feb 2012 01:38:41 +0000 (01:38 +0000)]
Fix documentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150860 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTestcase for the previous commit.
Eric Christopher [Sat, 18 Feb 2012 00:05:45 +0000 (00:05 +0000)]
Testcase for the previous commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150852 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoBring HMEditor into line with LLVM coding standards.
Lang Hames [Fri, 17 Feb 2012 23:43:40 +0000 (23:43 +0000)]
Bring HMEditor into line with LLVM coding standards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150851 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIgnore the lifetime intrinsics in fast-isel.
Eric Christopher [Fri, 17 Feb 2012 23:03:39 +0000 (23:03 +0000)]
Ignore the lifetime intrinsics in fast-isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150848 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't print out pointer values in SUnit::dump().
Jakob Stoklund Olesen [Fri, 17 Feb 2012 21:44:51 +0000 (21:44 +0000)]
Don't print out pointer values in SUnit::dump().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150842 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSink variable into assert
Matt Beaumont-Gay [Fri, 17 Feb 2012 21:40:48 +0000 (21:40 +0000)]
Sink variable into assert

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150841 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd support for regmask slots to HMEditor. Also fixes a comment error.
Lang Hames [Fri, 17 Feb 2012 21:29:41 +0000 (21:29 +0000)]
Add support for regmask slots to HMEditor. Also fixes a comment error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150840 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix typo in comment ldopen() -> dlopen().
Kevin Enderby [Fri, 17 Feb 2012 19:26:00 +0000 (19:26 +0000)]
Fix typo in comment ldopen() -> dlopen().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150836 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoHandle regmask operands in ARMInstrInfo.
Jakob Stoklund Olesen [Fri, 17 Feb 2012 19:23:15 +0000 (19:23 +0000)]
Handle regmask operands in ARMInstrInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150833 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPut back the initializing the targets in the disassembler API with a comment as
Kevin Enderby [Fri, 17 Feb 2012 19:18:29 +0000 (19:18 +0000)]
Put back the initializing the targets in the disassembler API with a comment as
to why this is needed.  This broke the darwin's otool(1) program.  This change
was made in r144385.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150832 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix ARMBaseInstrInfo::getInstrLatency for calls.
Jakob Stoklund Olesen [Fri, 17 Feb 2012 19:07:59 +0000 (19:07 +0000)]
Fix ARMBaseInstrInfo::getInstrLatency for calls.

Calls always clobber CPSR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150831 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTransfer regmasks to MRI.
Jakob Stoklund Olesen [Fri, 17 Feb 2012 19:07:56 +0000 (19:07 +0000)]
Transfer regmasks to MRI.

MRI keeps track of which physregs have been used. Make sure it gets
updated with all the regmask-clobbered registers.

Delete the closePhysRegsUsed() function which isn't necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150830 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCalls and invokes with the new clang.arc.no_objc_arc_exceptions
Dan Gohman [Fri, 17 Feb 2012 18:59:53 +0000 (18:59 +0000)]
Calls and invokes with the new clang.arc.no_objc_arc_exceptions
metadata may still unwind, but only in ways that the ARC
optimizer doesn't need to consider. This permits more
aggressive optimization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150829 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRefactor 'handleMove' code in live intervals. Clients of LiveIntervals won't see
Lang Hames [Fri, 17 Feb 2012 18:44:18 +0000 (18:44 +0000)]
Refactor 'handleMove' code in live intervals. Clients of LiveIntervals won't see
any changes.

Internally this adds a private inner class HMEditor, to LiveIntervals. HMEditor provides
an API for updating live intervals when code is moved or bundled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150826 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove a comment about an alternative approach that wouldn't
Dan Gohman [Fri, 17 Feb 2012 18:33:38 +0000 (18:33 +0000)]
Remove a comment about an alternative approach that wouldn't
actually work, at least as described. LLVM Metadata is not
intended to suppress LLVM IR rules, as it can be stripped at
any time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150821 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTidy up.
Jim Grosbach [Fri, 17 Feb 2012 17:35:10 +0000 (17:35 +0000)]
Tidy up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150820 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoGenerate the correct EH frame section types on Solaris, this time without breaking...
David Chisnall [Fri, 17 Feb 2012 17:31:15 +0000 (17:31 +0000)]
Generate the correct EH frame section types on Solaris, this time without breaking other platforms...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150819 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r150814. It turns out that there is a good reason for this after all...
David Chisnall [Fri, 17 Feb 2012 16:51:02 +0000 (16:51 +0000)]
Revert r150814.  It turns out that there is a good reason for this after all...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150818 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r150288, "Allow Post-RA LICM to hoist reserved register reads."
Jakob Stoklund Olesen [Fri, 17 Feb 2012 16:40:44 +0000 (16:40 +0000)]
Revert r150288, "Allow Post-RA LICM to hoist reserved register reads."

This caused miscompilations on out-of-tree targets, and possibly i386 as

I'll find some other way of hoisting %rip-relative loads from loops
containing calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150816 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix typo in comment.
Richard Osborne [Fri, 17 Feb 2012 16:39:47 +0000 (16:39 +0000)]
Fix typo in comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150815 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't lazily allocate eh_frame. We're not lazily allocating things like the LSDA...
David Chisnall [Fri, 17 Feb 2012 16:32:07 +0000 (16:32 +0000)]
Don't lazily allocate eh_frame.  We're not lazily allocating things like the LSDA, which are only used when the eh frame is used, so this lazy allocation doesn't really make sense.

Fix the type of eh_frame on Solaris so that Sun ld doesn't fail to combine them (thus making it impossible for the unwind library to find them and breaking exceptions).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150814 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago... and it's probably best to use the correct alignment, rather than just guessing...
David Chisnall [Fri, 17 Feb 2012 16:30:39 +0000 (16:30 +0000)]
... and it's probably best to use the correct alignment, rather than just guessing that it's the same as the size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150813 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIt turns out that putting an 8-byte symbol in a 4-byte section makes Solaris ld sulk...
David Chisnall [Fri, 17 Feb 2012 16:05:50 +0000 (16:05 +0000)]
It turns out that putting an 8-byte symbol in a 4-byte section makes Solaris ld sulk.  GNU ld is perfectly happy with it, which is worrying for a whole other set of reasons...

Thanks to Anton, Duncan and Rafael for helping me track this down.
Pointy hat to Rafael for introducing the bug in the first place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150811 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove question.
Nick Lewycky [Fri, 17 Feb 2012 09:55:20 +0000 (09:55 +0000)]
Remove question.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150809 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoremove Emacs-tag form .cpp files in Mips Backend, and fix some typo.
Jia Liu [Fri, 17 Feb 2012 08:55:11 +0000 (08:55 +0000)]
remove Emacs-tag form .cpp files in Mips Backend, and fix some typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150805 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTypo in variable name.
Eric Christopher [Fri, 17 Feb 2012 07:08:46 +0000 (07:08 +0000)]
Typo in variable name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150796 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the last of the old vector_shuffle patterns from X86 isel.
Craig Topper [Fri, 17 Feb 2012 07:02:34 +0000 (07:02 +0000)]
Remove the last of the old vector_shuffle patterns from X86 isel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150795 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd support for invariant.start inside the static constructor evaluator. This is
Nick Lewycky [Fri, 17 Feb 2012 06:59:21 +0000 (06:59 +0000)]
Add support for invariant.start inside the static constructor evaluator. This is
useful to represent a variable that is const in the source but can't be constant
in the IR because of a non-trivial constructor. If globalopt evaluates the
constructor, and there was an invariant.start with no matching invariant.end
possible, it will mark the global constant afterwards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150794 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDo not promote i32 arguments to i64. This was causing unnecessary sign extension
Akira Hatanaka [Fri, 17 Feb 2012 02:20:26 +0000 (02:20 +0000)]
Do not promote i32 arguments to i64. This was causing unnecessary sign extension
instructions to be emitted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150782 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove redundant comment. Use a more efficient datatype.
Bill Wendling [Fri, 17 Feb 2012 02:12:54 +0000 (02:12 +0000)]
Remove redundant comment. Use a more efficient datatype.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150780 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix some grammar-os and formatting.
Bill Wendling [Fri, 17 Feb 2012 02:09:28 +0000 (02:09 +0000)]
Fix some grammar-os and formatting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150779 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReverse iterator - should be incrementing rather than decrementing.
Lang Hames [Fri, 17 Feb 2012 01:54:11 +0000 (01:54 +0000)]
Reverse iterator - should be incrementing rather than decrementing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150778 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoadd Emacs tag and fix some comment error in file headers
Jia Liu [Fri, 17 Feb 2012 01:23:50 +0000 (01:23 +0000)]
add Emacs tag and fix some comment error in file headers

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150775 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[fast-isel] Add support for returning non-legal types with no sign- or zero-
Chad Rosier [Fri, 17 Feb 2012 01:21:28 +0000 (01:21 +0000)]
[fast-isel] Add support for returning non-legal types with no sign- or zero-
entend flag.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150774 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMachineScheduler shouldn't use/preserve LiveDebugVariables.
Lang Hames [Fri, 17 Feb 2012 01:11:37 +0000 (01:11 +0000)]
MachineScheduler shouldn't use/preserve LiveDebugVariables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150773 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOops - isRegLiveIntoSuccessor is used in non-assert builds now. Remove NDEBUG guards.
Lang Hames [Fri, 17 Feb 2012 00:51:32 +0000 (00:51 +0000)]
Oops - isRegLiveIntoSuccessor is used in non-assert builds now. Remove NDEBUG guards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150771 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRe-enable 150652 and 150654 - Make FPSCR non-reserved, and make MachineCSE bail on...
Lang Hames [Fri, 17 Feb 2012 00:27:16 +0000 (00:27 +0000)]
Re-enable 150652 and 150654 - Make FPSCR non-reserved, and make MachineCSE bail on reserved registers. This *should* be safe as of r150786.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150769 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTurn off assertion, conservatively compute liveness for live-in un-allocatable registers.
Lang Hames [Fri, 17 Feb 2012 00:18:18 +0000 (00:18 +0000)]
Turn off assertion, conservatively compute liveness for live-in un-allocatable registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150768 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove comment.
Akira Hatanaka [Thu, 16 Feb 2012 22:52:29 +0000 (22:52 +0000)]
Remove comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150739 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unnecessary assignment to temporary, ResultReg.
Chad Rosier [Thu, 16 Feb 2012 22:45:33 +0000 (22:45 +0000)]
Remove unnecessary assignment to temporary, ResultReg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150737 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse –mcpu=generic, so that the test will not fail when run on an Intel Atom
Bill Wendling [Thu, 16 Feb 2012 22:42:48 +0000 (22:42 +0000)]
Use –mcpu=generic, so that the test will not fail when run on an Intel Atom
processor, due to the Atom scheduler producing an instruction sequence that is
different from that which is expected.
Patch by Michael Spencer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150736 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUpdate credits.
Chad Rosier [Thu, 16 Feb 2012 18:54:41 +0000 (18:54 +0000)]
Update credits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150715 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoNote x86 regmask operands in release notes.
Jakob Stoklund Olesen [Thu, 16 Feb 2012 18:22:39 +0000 (18:22 +0000)]
Note x86 regmask operands in release notes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150712 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove the YMM_HI_6_15 hack.
Jakob Stoklund Olesen [Thu, 16 Feb 2012 17:56:06 +0000 (17:56 +0000)]
Remove the YMM_HI_6_15 hack.

Call clobbers are now represented with register mask operands.  The
regmask can easily represent the fact that xmm6 is call-preserved while
ymm6 isn't.  This is automatically computed by TableGen from the
CalleeSavedRegs containing xmm6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150709 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse the same CALL instructions for Windows as for everything else.
Jakob Stoklund Olesen [Thu, 16 Feb 2012 17:56:02 +0000 (17:56 +0000)]
Use the same CALL instructions for Windows as for everything else.

The different calling conventions and call-preserved registers are
represented with regmask operands that are added dynamically.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150708 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove trailing whitespace. Add newline.
Akira Hatanaka [Thu, 16 Feb 2012 17:48:20 +0000 (17:48 +0000)]
Remove trailing whitespace. Add newline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150706 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDisable machine copy propagation for now. It's known to be buggy (PR11940) and introd...
Benjamin Kramer [Thu, 16 Feb 2012 17:29:50 +0000 (17:29 +0000)]
Disable machine copy propagation for now. It's known to be buggy (PR11940) and introduces subtle miscompiles in many places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150703 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert "InstSimplify: Strip pointer casts early."
Benjamin Kramer [Thu, 16 Feb 2012 15:19:59 +0000 (15:19 +0000)]
Revert "InstSimplify: Strip pointer casts early."

Turns out this isn't safe, because the code below depends on LHS and RHS having
the same type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150695 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstSimplify: Strip pointer casts early.
Benjamin Kramer [Thu, 16 Feb 2012 15:03:04 +0000 (15:03 +0000)]
InstSimplify: Strip pointer casts early.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150694 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstSimplify: Ignore pointer casts when constant folding compares between pointers.
Benjamin Kramer [Thu, 16 Feb 2012 13:49:39 +0000 (13:49 +0000)]
InstSimplify: Ignore pointer casts when constant folding compares between pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150690 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agos/ModAttrBehavior/ModFlagBehavior/g to be consistent with how module flags are named...
Bill Wendling [Thu, 16 Feb 2012 10:28:10 +0000 (10:28 +0000)]
s/ModAttrBehavior/ModFlagBehavior/g to be consistent with how module flags are named elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150679 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd 'exception handling' to my description.
Bill Wendling [Thu, 16 Feb 2012 10:25:07 +0000 (10:25 +0000)]
Add 'exception handling' to my description.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150678 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd blurb about module flags and reformat a bit.
Bill Wendling [Thu, 16 Feb 2012 10:23:43 +0000 (10:23 +0000)]
Add blurb about module flags and reformat a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150677 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove extraneous #include and spelling mistake introduced in r150669.
James Molloy [Thu, 16 Feb 2012 09:48:07 +0000 (09:48 +0000)]
Remove extraneous #include and spelling mistake introduced in r150669.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150670 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModify the algorithm when traversing the DAGCombiner's worklist to be O(log N) for...
James Molloy [Thu, 16 Feb 2012 09:17:04 +0000 (09:17 +0000)]
Modify the algorithm when traversing the DAGCombiner's worklist to be O(log N) for all operations. This fixes a horrible worst case with lots of nodes where 99% of the time was being spent in std::remove.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150669 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoVMCore/AsmWriter.cpp: Tweak to check #INF and #NAN earlier.
NAKAMURA Takumi [Thu, 16 Feb 2012 08:12:24 +0000 (08:12 +0000)]
VMCore/AsmWriter.cpp: Tweak to check #INF and #NAN earlier.

With MSVCRT, prior checker missed emission of #INF and #NAN.

FIXME: Checking should be simpler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150667 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReplace all instances of dg.exp file with lit.local.cfg, since all tests are run...
Eli Bendersky [Thu, 16 Feb 2012 06:28:33 +0000 (06:28 +0000)]
Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.

Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150664 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTemplate specialize SmallVector::push_back based on POD-ness of the type. Reduces...
Pete Cooper [Thu, 16 Feb 2012 04:58:48 +0000 (04:58 +0000)]
Template specialize SmallVector::push_back based on POD-ness of the type.  Reduces clang binary by 188KB

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150662 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoVMCore/AsmWriter.cpp: Use APFloat instead of atof(3).
NAKAMURA Takumi [Thu, 16 Feb 2012 04:19:15 +0000 (04:19 +0000)]
VMCore/AsmWriter.cpp: Use APFloat instead of atof(3).

atof(3) might behave differently among platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150661 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOop - r150653 + r150654 broke one of my test cases. Backing out for now...
Lang Hames [Thu, 16 Feb 2012 02:32:10 +0000 (02:32 +0000)]
Oop - r150653 + r150654 broke one of my test cases. Backing out for now...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150655 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFPSCR shouldn't be reserved.
Lang Hames [Thu, 16 Feb 2012 02:28:14 +0000 (02:28 +0000)]
FPSCR shouldn't be reserved.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150654 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMachineCSE shouldn't extend the live ranges of reserved or allocatable registers.
Lang Hames [Thu, 16 Feb 2012 02:19:35 +0000 (02:19 +0000)]
MachineCSE shouldn't extend the live ranges of reserved or allocatable registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150653 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoGive a description of the Objective-C garbage collection module flags.
Bill Wendling [Thu, 16 Feb 2012 01:10:50 +0000 (01:10 +0000)]
Give a description of the Objective-C garbage collection module flags.

The rule governing the flags is this:

  no-gc + no-gc   = no-gc
  no-gc +    gc   = no-gc
  no-gc + gc-only = error
     gc +    gc   = gc
     gc + gc-only = gc-only
gc-only + gc-only = gc-only

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150646 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoloop-rotate shouldn't hoist alloca instructions out of a loop. Patch by Patrik Häggl...
Eli Friedman [Thu, 16 Feb 2012 00:41:10 +0000 (00:41 +0000)]
loop-rotate shouldn't hoist alloca instructions out of a loop.  Patch by Patrik Hägglund, with slightly modified test.  Issue reported by Patrik Hägglund on llvmdev.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150642 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoEnable register mask operands for x86 calls.
Jakob Stoklund Olesen [Thu, 16 Feb 2012 00:02:50 +0000 (00:02 +0000)]
Enable register mask operands for x86 calls.

Call instructions no longer have a list of 43 call-clobbered registers.
Instead, they get a single register mask operand with a bit vector of
call-preserved registers.

This saves a lot of memory, 42 x 32 bytes = 1344 bytes per call
instruction, and it speeds up building call instructions because those
43 imp-def operands no longer need to be added to use-def lists. (And
removed and shifted and re-added for every explicit call operand).

Passes like LiveVariables, LiveIntervals, RAGreedy, PEI, and
BranchFolding are significantly faster because they can deal with call
clobbers in bulk.

Overall, clang -O2 is between 0% and 8% faster, uniformly distributed
depending on call density in the compiled code.  Debug builds using
clang -O0 are 0% - 3% faster.

I have verified that this patch doesn't change the assembly generated
for the LLVM nightly test suite when building with -disable-copyprop
and -disable-branch-fold.

Branch folding behaves slightly differently in a few cases because call
instructions have different hash values now.

Copy propagation flushes its data structures when it crosses a register
mask operand. This causes it to leave a few dead copies behind, on the
order of 20 instruction across the entire nightly test suite, including
SPEC. Fixing this properly would require the pass to use different data

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150638 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove extraneous tests.
Bill Wendling [Wed, 15 Feb 2012 23:44:05 +0000 (23:44 +0000)]
Remove extraneous tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150636 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a test for generating Objective-C metadata from module flags.
Bill Wendling [Wed, 15 Feb 2012 23:43:37 +0000 (23:43 +0000)]
Add a test for generating Objective-C metadata from module flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150635 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoHandle register masks in branch folding.
Jakob Stoklund Olesen [Wed, 15 Feb 2012 23:42:54 +0000 (23:42 +0000)]
Handle register masks in branch folding.

Don't attempt to move instructions with regmask operands. They are most
likely calls anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150634 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix library visibility problems with VLIWPacketizer.
Andrew Trick [Wed, 15 Feb 2012 23:34:15 +0000 (23:34 +0000)]
Fix library visibility problems with VLIWPacketizer.

The existing framework for postra scheduling is library local. We want to keep it that way. Soon we will have a more general MachineScheduler interface. At that time, various bits will be exposed to targets. In the meantime, the VLIWPacketizer wants to use ScheduleDAGInstrs directly, so it needs to wrapped in a PIMPL to avoid exposing it to the target interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150633 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse the enum instead of 'unsigned'.
Bill Wendling [Wed, 15 Feb 2012 23:27:50 +0000 (23:27 +0000)]
Use the enum instead of 'unsigned'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150632 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake LiveIntervals::handleMove() bundle aware.
Lang Hames [Wed, 15 Feb 2012 23:21:33 +0000 (23:21 +0000)]
Make LiveIntervals::handleMove() bundle aware.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150630 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse 'getDataNoRel' for the section kind.
Bill Wendling [Wed, 15 Feb 2012 22:47:53 +0000 (22:47 +0000)]
Use 'getDataNoRel' for the section kind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150628 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix assertion condition.
Lang Hames [Wed, 15 Feb 2012 22:45:51 +0000 (22:45 +0000)]
Fix assertion condition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150627 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a test for the Objective-C garbage collection metadata stuff.
Bill Wendling [Wed, 15 Feb 2012 22:44:10 +0000 (22:44 +0000)]
Add a test for the Objective-C garbage collection metadata stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150626 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModify the code that emits the module flags to use the new module flags accessor
Bill Wendling [Wed, 15 Feb 2012 22:36:15 +0000 (22:36 +0000)]
Modify the code that emits the module flags to use the new module flags accessor
method. This allows the target lowering code to not have to deal with MDNodes.

Also, avoid leaking memory like a sieve by not creating a global variable for
the image info section, but just emitting the code directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150624 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd a module flags accessor method which returns the flags in a vector.
Bill Wendling [Wed, 15 Feb 2012 22:34:20 +0000 (22:34 +0000)]
Add a module flags accessor method which returns the flags in a vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150623 91177308-0d34-0410-b5e6-96231b3b80d8