Kevin Enderby
5e394429ab
MC/X86: Add alias for fwait.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105001 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 20:59:10 +00:00
Kevin Enderby
31b6c5b2f3
Fix the use of x86 control and debug registers so that the assertion failure in
...
getX86RegNum() does not happen. Patch by Shantonu Sen!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104994 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 19:01:27 +00:00
Jakob Stoklund Olesen
2da5337024
Add a TargetRegisterInfo::composeSubRegIndices hook with a default
...
implementation that is correct for most targets. Tablegen will override where
needed.
Add MachineOperand::subst{Virt,Phys}Reg methods that correctly handle existing
subreg indices when sustituting registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104985 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 18:18:53 +00:00
Jim Grosbach
bc213209bf
correct retattr
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104980 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 18:03:48 +00:00
Jim Grosbach
c9792a3c1f
Cosmetic cleanup. No functional change.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104974 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 17:51:20 +00:00
Dan Gohman
13ec30b6a1
Fix lint's memcpy and memmove checks, and its basic block traversal.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104970 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 17:44:00 +00:00
Jim Grosbach
5caeff5c01
make sure accesses to set up the jmpbuf don't get moved after it by the scheduler. Add a missing \n.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104967 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 17:37:40 +00:00
Dan Gohman
52c239566e
Minor code simplification.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104959 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:50:23 +00:00
Dan Gohman
9ba7f65743
Fix a redundant-return warning.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104958 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:50:01 +00:00
Dan Gohman
17d95965cb
Detect self-referential values.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104957 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:45:33 +00:00
Stuart Hastings
8ffc42f8ea
Revert 104841, 104842, 104876 due to buildbot failures. Radar 7424645.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104953 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:41:07 +00:00
Dan Gohman
078f8595b5
Eli pointed out that va_arg instruction result values don't
...
reference the stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104951 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:34:49 +00:00
Dan Gohman
ff26d4e9ce
Teach lint how to look through simple store+load pairs and other
...
effective no-op constructs, to make it more effective on
unoptimized IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104950 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:21:24 +00:00
Dan Gohman
dd9344f3fa
Move FindAvailableLoadedValue isSafeToLoadUnconditionally out of
...
lib/Transforms/Utils and into lib/Analysis so that Analysis passes
can use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104949 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:19:17 +00:00
Dan Gohman
700012231d
ConstantFoldConstantExpression can theoretically return null.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104948 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-28 16:12:08 +00:00
Dan Gohman
05d6253727
Teach instcombine to promote alloca array sizes.
...
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.
...
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.
...
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.
...
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.
...
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.
...
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.
...
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
...
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
...
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
...
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.
...
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.
...
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,
...
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.
...
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.
...
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.
...
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
...
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.
...
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
...
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.
...
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
...
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
...
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
...
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.
...
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
...
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
...
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.
...
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
...
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
...
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();
...
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.
...
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.
...
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.
...
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.
...
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.
...
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