Dan Gohman
05d6253727
Teach instcombine to promote alloca array sizes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104945 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 15:09:00 +00:00
Dan Gohman
292fc87fe2
Add a lint check for returning the address of stack memory.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104936 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 04:33:42 +00:00
Dan Gohman
28d2e0a39f
Fix instcombine's handling of alloca to accept non-i32 types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104935 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 04:33:04 +00:00
Dan Gohman
a37dd3e6a5
Bitcode support for allocas with arbitrary array size types.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104915 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 01:38:28 +00:00
Devang Patel
4251d85ae7
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104914 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 01:29:50 +00:00
Devang Patel
f7a3051471
Fix typo.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104913 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 01:17:51 +00:00
Dan Gohman
f75a7d3fbf
Eliminate the restriction that the array size in an alloca must be i32.
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This will help reduce the amount of casting required on 64-bit targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 01:14:11 +00:00
Bob Wilson
13ef840807
Add the cc_out operand for t2RSBrs instructions. I missed this when I changed
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the instruction class for t2RSB to add that operand in svn r104582.
Radar 8033757.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104907 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 00:27:15 +00:00
Jakob Stoklund Olesen
700bfada63
Add a -regalloc=default option that chooses a register allocator based on the -O
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optimization level.
This only really affects llc for now because both the llvm-gcc and clang front
ends override the default register allocator. I intend to remove that code later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104904 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:57:25 +00:00
Jim Grosbach
0798eddd07
Update the saved stack pointer in the sjlj function context following either
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an alloca() or an llvm.stackrestore(). rdar://8031573
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104900 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:49:24 +00:00
Evan Cheng
12616727c7
Use report_fatal_error, not llvm_unreachable.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104899 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:45:31 +00:00
Jim Grosbach
a65850230a
back out 104862/104869. Can reuse stacksave after all. Very cool.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104897 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:11:57 +00:00
Dan Gohman
39f76bb6c8
Factor out the handler work from SignalHandler into a helper function,
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and change llvm::sys::RunInterruptHandlers to call that function directly
instead of calling SignalHandler, because the rest of SignalHandler
invokes side effects which aren't appropriate, including raising the
signal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104896 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 23:11:55 +00:00
Evan Cheng
84f60b7359
llvm can't correctly support 'H', 'Q' and 'R' modifiers. Just mark it an error.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104891 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 22:08:38 +00:00
Kevin Enderby
bd658918df
MC/X86: Add aliases for Jcc variants.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104890 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 21:33:19 +00:00
Dan Gohman
d27047f87d
Eliminate some unnessary Path::exists() calls.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104888 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:51:54 +00:00
Dan Gohman
c2f500aaed
Don't flush the raw_ostream in llvm::WriteBitcodeToFile; it's at
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the wrong level. Clients which need to leave the stream open but
which still require the bitcode bits to be on disk should call
flush themselves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:26:51 +00:00
Devang Patel
d8720f4ba3
Do not drop location info for inlined function args.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104884 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:25:04 +00:00
Bob Wilson
d984eb6073
Fix some bad fall-throughs in a switch statement. Both the 'Q' and 'R' cases
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should fall through to the 'H' case, but instead 'Q' was falling through to 'R'
so that it would do the wrong thing for a big-endian ARM target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104883 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:23:42 +00:00
Dale Johannesen
54feef2950
Mark some math lib intrinsic nodes Legal on SSE4.1.
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No functional effect as these nodes are not generated yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104879 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:12:41 +00:00
Dan Gohman
d928fb670f
Don't special-case stdout in llvm::WriteBitcodeToFile; just consider
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it to be the caller's responsibility to provide a stream in binary
mode. This fixes a layering violation and avoids an outs() call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104878 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 20:06:51 +00:00
Duncan Sands
1d9b973fd7
Teach instCombine to remove malloc+free if malloc's only uses are comparisons
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to null. Patch by Matti Niemenmaa.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104871 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 19:09:06 +00:00
Jim Grosbach
084fb0ea32
hook ISD::STACKADDR to an intrinsic
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104869 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 18:52:11 +00:00
Dan Gohman
4d3d6e1a0c
FastISel doesn't yet handle callee-pop functions.
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To support this, move IsCalleePop from X86ISelLowering to X86Subtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104866 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 18:43:40 +00:00
Jim Grosbach
ad9aaf038e
add ISD::STACKADDR to get the current stack pointer. Will be used by sjlj EH
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to update the jmpbuf in the presence of VLAs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104862 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 18:23:48 +00:00
Bruno Cardoso Lopes
aa02ff1a2b
Merge basic binops SSE 1 & 2 instruction classes. This is a step towards refactoring
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common code between SSE versions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104860 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 18:17:40 +00:00
Dan Gohman
30377e7809
Add basic error checking to MemoryBuffer::getSTDIN.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104855 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 17:31:51 +00:00
Dan Gohman
95131fcb67
Use the return value of getMagicNumber instead of using a
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separate canRead() call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104853 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 17:18:38 +00:00
Dan Gohman
02d5824266
Don't bother clearing the Magic string when the magic number
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can't be read, since it isn't cleared on other error paths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104852 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 17:14:10 +00:00
Dan Gohman
130de9c0b4
Don't bother checking canRead() before calling getMagicNumber();
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getMagicNumber() does its own error checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104851 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 17:12:23 +00:00
Devang Patel
55e9717e59
inlined function's arguments need a label to mark the start point because they are not directly attached to current function.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104848 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 16:47:30 +00:00
Stuart Hastings
aa66d2f48a
Support for nested functions/classes in debug output. Radar 7424645.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104841 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 16:16:54 +00:00
Eric Christopher
aeed4d81a8
Rearrange conditionals so we don't get caught with the correct type as wrong.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104793 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 00:52:31 +00:00
Devang Patel
80250686d5
Simplify. Eliminate unneeded debug_loc entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104785 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 23:55:23 +00:00
Jakob Stoklund Olesen
8b3ca84a8d
Avoid counting InlineAsm as a call - it prevents loop unrolling.
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PR7026
Patch by Pekka Jääskeläinen!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104780 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:40:28 +00:00
Dan Gohman
a0f7ff334f
Fix Lint printing warnings multiple times. Remove the ErrorStr
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option from lintModule, which was an artifact from being
based on Verifier code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104765 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:28:53 +00:00
Daniel Dunbar
dcbab9cf5a
AsmMatcher/X86: Mark _REV instructions as "code gen only", they aren't expected
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to be matched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104757 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:21:28 +00:00
Dan Gohman
882ddb492d
Reinstate checking of stackrestore, with checking for both Read
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and Write, and add a comment explaining this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104756 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:21:25 +00:00
Jakob Stoklund Olesen
c8b9f6ce23
Give SubRegIndex names to all ARM subregisters. This will be required by
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TableGen shortly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104754 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:15:03 +00:00
Dan Gohman
749be11f4d
Stackrestore is not a load.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104752 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 22:00:10 +00:00
Bill Wendling
804a231dd5
Add FIXME comment to remove this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104749 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:53:50 +00:00
Dan Gohman
df9c8bc569
Remove a TODO which isn't practical.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104748 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:50:41 +00:00
Daniel Dunbar
cb8326dc09
MC: Add TargetMachine support for setting the value of MCRelaxAll with
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-filetype=obj.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104747 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:48:55 +00:00
Jakob Stoklund Olesen
160a3bf74d
Add StringRef::compare_numeric and use it to sort TableGen register records.
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This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104745 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:47:28 +00:00
Dan Gohman
113b3e2c6e
Implement checking of the tail keyword.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104744 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:46:36 +00:00
Devang Patel
77051f58e9
There is no need to force an line number entry (using previous location) for a temp label at unknown location.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104740 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 21:23:46 +00:00
Bill Wendling
8d717c7d99
Add "setjmp_syscall", "savectx", "qsetjmp", "vfork", "getcontext" to the list of
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usual suspects that could "return twice".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104737 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 20:39:00 +00:00
Daniel Dunbar
83194de76a
MC: When running with -mc-relax-all, we can eagerly relax instructions and avoid creating unnecessary MCInstFragments.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104736 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 20:37:03 +00:00
Daniel Dunbar
2ac0c453b2
MC/Mach-O: Factor out EmitInstTo{Fragment,Data} for emitting MCInst's as MCInstFragments or appending onto an MCDataFragment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104735 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 20:37:00 +00:00
Jim Grosbach
23ff7cff52
Adjust eh.sjlj.setjmp to properly have a chain and to have an opcode entry in
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ISD::. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104734 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-26 20:22:18 +00:00