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afd1cc2578
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10942 Commits

Author SHA1 Message Date
Jason W Kim
afd1cc2578 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:45:56 +00:00
Jan Wen Voung
12ad94e03c Have ELFAsmParser.cpp use the already parsed "Size" (entry size) when 
constructing a section. Test for a few cases also included.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:41:46 +00:00
Rafael Espindola
7070387f08 Make it possible for the MCObjectWriter to decide if a given fixup is fully 
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 02:22:20 +00:00
Benjamin Kramer
9510a2538b Add constant folding for strspn and strcspn to SimplifyLibCalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115116 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-30 00:58:35 +00:00
Benjamin Kramer
05f585e28b Add strpbrk folding to SimplifyLibCalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 23:52:12 +00:00
Benjamin Kramer
e260990fa1 Simplify the loop in StrChrOptimizer. FileCheckize test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115095 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 22:29:12 +00:00
Benjamin Kramer
06f25cfb33 Teach SimplifyLibCalls how to optimize strrchr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 21:50:51 +00:00
Devang Patel
9dd2b47d44 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 21:04:46 +00:00
Owen Anderson
36c4debc94 Fix PR8247: JumpThreading can cause a block to become unreachable while still having predecessor, if it is part of a self-loop. 
Because of this, we cannot use the Simplify* APIs, as they can assert-fail on unreachable code.  Since it's not easy to determine
if a given threading will cause a block to become unreachable, simply defer simplifying simplification to later InstCombine and/or
DCE passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 20:34:41 +00:00
Benjamin Kramer
3e45b77612 Remove PointerTracking tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 19:20:35 +00:00
Chris Lattner
a25f933396 implement rdar://8491845 - Gas supports commuted forms of non-commutable instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 18:39:16 +00:00
Bob Wilson
7122ba7efb Increase ARM APCS preferred alignment for i64 and f64 from 32 bits to 64 bits. 
LDM/STM instructions can run one cycle faster on some ARM processors if the
memory address is 64-bit aligned.  Radar 8489376.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115047 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 17:54:10 +00:00
Rafael Espindola
9e3922e949 Move "local commons" to the end of .bss to match the gnu as behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115037 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 14:52:01 +00:00
Rafael Espindola
9804db1353 Add a test that I forgot to add with a previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115036 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 14:40:49 +00:00
Gabor Greif
1f01d45ee0 do not compare actual branch labels; this may fix llvm-gcc-x86_64-darwin10-cross-mingw32 buildbot too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 10:45:43 +00:00
Gabor Greif
05642a3eba improve heuristics to find the 'and' corresponding to 'tst' to also catch opportunities on thumb2 
added some doxygen on the way

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115033 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 10:12:08 +00:00
Chris Lattner
6f42027263 fix rdar://8490728 - llvm-mc rejects gpr64 form of 'movmskpd' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115029 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 05:05:03 +00:00
Chris Lattner
f3654db458 add assembler support for the cvtsd2sil/cvtsd2siq mnemonics, rdar://8456382 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115027 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 04:55:40 +00:00
Michael J. Spencer
2baa2a8cc7 MC-COFF: Fix test. IMAGE_SYM_CLASS_LABEL should never have been emitted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115024 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 03:59:25 +00:00
Chris Lattner
78a194693b make the x86 mccode emitter emit the 0x67 and 0x66 prefix bytes in the same 
order as cctools for diffability.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115022 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 03:43:43 +00:00
Chris Lattner
8a5072903e implement support for 32-bit address operands in 64-bit mode, which 
are defined to emit the 0x67 prefix byte.  rdar://8482675


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115021 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 03:33:25 +00:00
Chris Lattner
b2ef4c1235 add basic avx support to the disassembler, also teach it about ssmem/sdmem 
operands.

With this done, we can remove the _Int suffixes from the round instructions
without the disassembler blowing up.  This allows the assembler to support
them, implementing rdar://8456376 - llvm-mc rejects 'roundss'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115019 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 02:57:56 +00:00
Chris Lattner
bf6018ac5a add asmparser support for cvttpd2dq by removing some Int_ prefixes. 
Clean up cvttps2dq by removing some redundant implementations of the
same instruction.  rdar://8456382


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115018 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 02:36:32 +00:00
Chris Lattner
0c04e4f58f implement rdar://8456382 - cvtsd2si support, by removing some Int_ prefixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 02:24:57 +00:00
Chris Lattner
7c51a3172c implement rdar://8456378 and PR7557 - support for the fstsw, 
an instruction that requires a WHOLE NEW wonderful kind of alias.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-29 01:50:45 +00:00
Bill Wendling
e48155b25a And remove r114997's test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115003 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 23:24:18 +00:00
Bill Wendling
2ff6e1e62c Revert r114997. It was causing a failure on darwin10-selfhost. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115002 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 23:11:55 +00:00
Bill Wendling
4edab1a9e8 Fix a FIXME. _foo.eh symbols are currently always exported so that the linker 
knows about them. This is not necessary on 10.6 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114997 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 22:36:56 +00:00
Owen Anderson
654d5440a4 Add a subtarget hook for reporting the misprediction penalty. Use this to provide more precise 
cost modeling for if-conversion.  Now if only we had a way to estimate the misprediction probability.

Adjsut CodeGen/ARM/ifcvt10.ll.  The pipeline on Cortex-A8 is long enough that it is still profitable
to predicate an ldm, but the shorter pipeline on Cortex-A9 makes it unprofitable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 21:57:50 +00:00
Anton Korobeynikov
4f922f2cca User proper libcall names & condcodes while compiling for ARM EABI. 
Patch by Evzen Muller!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114991 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 21:39:26 +00:00
Owen Anderson
b20b85168c Part one of switching to using a more sane heuristic for determining if-conversion profitability. 
Rather than having arbitrary cutoffs, actually try to cost model the conversion.

For now, the constants are tuned to more or less match our existing behavior, but these will be
changed to reflect realistic values as this work proceeds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 18:32:13 +00:00
Jim Grosbach
c2ec02c183 Add target triple info to these tests to make the results comparable when 
hosted on different platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114965 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 17:10:36 +00:00
Rafael Espindola
53725bc57a On elf, undefined symbols can start with .L. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114958 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 16:19:11 +00:00
Bob Wilson
02aba73a9e Add a command line option "-arm-strict-align" to disallow unaligned memory 
accesses for ARM targets that would otherwise allow it.  Radar 8465431.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-28 04:09:35 +00:00
Rafael Espindola
c3c413f631 Write relocations in the end of the file. This matches what gas does and 
makes files easier to diff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114898 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 22:04:54 +00:00
Rafael Espindola
0453dd9ca0 Make sure .text doesn't produce extra alignment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:40:27 +00:00
Jakob Stoklund Olesen
1f386c4ce1 Don't try to constant fold libm functions with non-finite arguments. 
Usually we wouldn't do this anyway because llvm_fenv_testexcept would return an
exception, but we have seen some cases where neither errno nor fenv detect an
exception on arm-linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 21:29:20 +00:00
Daniel Dunbar
4f2afe3d39 MC/AsmParser: Handle exponents in floating point literals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 20:12:52 +00:00
Jakob Stoklund Olesen
08342f2d11 Revert "Disable codegen prepare critical edge splitting. Machine instruction passes now" 
This reverts revision 114633. It was breaking llvm-gcc-i386-linux-selfhost.

It seems there is a downstream bug that is exposed by
-cgp-critical-edge-splitting=0. When that bug is fixed, this patch can go back
in.

Note that the changes to tailcallfp2.ll are not reverted. They were good are
required.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:48 +00:00
Jakob Stoklund Olesen
b53afc6a12 Explicitly disable CGP critical edge splitting for this test so it won't break 
by reenabling it temporarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:43 +00:00
Jakob Stoklund Olesen
4c2c865a51 Don't depend on basic block numbering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 18:43:40 +00:00
Michael J. Spencer
a72d87899b MC-COFF: Drop empty sections, and label symbols. Convert relocations 
targeted at symbols into relocations relative to the containing section.

Patch by Nathan Jeffords!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114823 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 08:58:26 +00:00
Chris Lattner
2956462742 yet more aliases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114822 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:24:57 +00:00
Chris Lattner
b1162fc05e add a couple more aliases, rdar://8456378 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114821 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:21:41 +00:00
Chris Lattner
df967d6137 fix rdar://8470918 - llvm-mc can't assemble smovl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:11:53 +00:00
Chris Lattner
cb296ec0b6 Fix rdar://8468087 - llvm-mc commutes fmul (and friend) operands. 
My previous fix for rdar://8456371 should only apply to fmulp/faddp,
not to fmul/fadd.  Instruction set orthogonality is overrated or 
something.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 07:08:21 +00:00
Chris Lattner
8048ebe91d the latest assembler that runs on powerpc 10.4 machines doesn't 
support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 06:44:54 +00:00
Chris Lattner
fd8fddd830 implement support for 'clr' alias. This is part of rdar://8416805, 
but balrog was wanting it on irc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-27 04:23:03 +00:00
Che-Liang Chiou
8db2defa83 Add test case for PTX ret instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114789 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 07:49:54 +00:00
Che-Liang Chiou
f9930da2ef Add ret instruction to PTX backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-25 07:46:17 +00:00