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41051 Commits

Author SHA1 Message Date
Dan Gohman
6cb8c23db1 Reapply r112091 and r111922, support for metadata linking, with a 
fix: add a flag to MapValue and friends which indicates whether
any module-level mappings are being made. In the common case of
inlining, no module-level mappings are needed, so MapValue doesn't
need to examine non-function-local metadata, which can be very
expensive in the case of a large module with really deep metadata
(e.g. a large C++ program compiled with -g).

This flag is a little awkward; perhaps eventually it can be moved
into the ClonedCodeInfo class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112190 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 15:41:53 +00:00
Benjamin Kramer
837bccd052 StringRef::compare_numeric also differed from StringRef::compare for characters > 127. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 15:25:35 +00:00
Benjamin Kramer
0043e35b82 Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 14:21:08 +00:00
Bill Wendling
01b1e1c958 There seems to be a (potential) hardware bug with the CMN instruction and 
comparison with 0. These two pieces of code should give identical results:

  rsbs r1, r1, 0
  cmp  r0, r1
  mov  r0, #0
  it   ls
  mov  r0, #1

and:

  cmn  r0, r1
  mov  r0, #0
  it   ls
  mov  r0, #1

However, the CMN gives the *opposite* result when r1 is 0. This is because the
carry flag is set in the CMP case but not in the CMN case. In short, the CMP
instruction doesn't perform a truncate of the (logical) NOT of 0 plus the value
of r0 and the carry bit (because the "carry bit" parameter to AddWithCarry is
defined as 1 in this case, the carry flag will always be set when r0 >= 0). The
CMN instruction doesn't perform a NOT of 0 so there is never a "carry" when this
AddWithCarry is performed (because the "carry bit" parameter to AddWithCarry is
defined as 0).

The AddWithCarry in the CMP case seems to be relying upon the identity:

  ~x + 1 = -x

However when x is 0 and unsigned, this doesn't hold:

   x = 0
  ~x = 0xFFFF FFFF
  ~x + 1 = 0x1 0000 0000
  (-x = 0) != (0x1 0000 0000 = ~x + 1)

Therefore, we should disable *all* versions of CMN, especially when comparing
against zero, until we can limit when the CMN instruction is used (when we know
that the RHS is not 0) or when we have a hardware fix for this.

(See the ARM docs for the "AddWithCarry" pseudo-code.)

This is related to <rdar://problem/7569620>.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 09:07:33 +00:00
Chris Lattner
341fa09a3c Add a hackaround for PR7993 which is causing failures on x86 builders that lack sse2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112175 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 06:57:07 +00:00
Chris Lattner
8306968c14 implement SplitVecOp_CONCAT_VECTORS, fixing the included testcase with SSE1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 05:51:22 +00:00
Bob Wilson
70e48b23a3 Use pseudo instructions for VST1d64Q. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 05:33:30 +00:00
Chris Lattner
97a2a56f43 fix sse1 only codegen in x86-64 mode, which is something we 
apparently try to support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 05:24:29 +00:00
Daniel Dunbar
076137c424 Revert r111922, "MapValue support for MDNodes. This is similar to r109117, 
except ...", it is causing *massive* performance regressions when building Clang
with itself (-O3 -g).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 03:48:11 +00:00
Daniel Dunbar
fd406f1ee2 Revert r112091, "Remap metadata attached to instructions when remapping 
individual ...", which depends on r111922, which I am reverting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 03:48:08 +00:00
Chris Lattner
6dabd9dba0 zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 02:57:35 +00:00
Chris Lattner
f88c23597a remove dead proto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 01:14:37 +00:00
Chris Lattner
2a36545176 zap dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 01:13:54 +00:00
Bruno Cardoso Lopes
e943c15621 Fix PR7748 without using microsoft extensions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 01:02:53 +00:00
Jim Grosbach
ae47c6d69e Enable pre-RA virtual frame base register allocation. rdar://8277890 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 00:58:06 +00:00
Dan Gohman
b4e3cda118 Rewrite ExtractGV, removing a bunch of stuff that didn't fully work, 
and was over-complicated, and replacing it with a simple implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 00:22:55 +00:00
Bob Wilson
2ac124c561 Revert svn 107892 (with changes to work with trunk). It caused a crash if 
a VLD result was not used (Radar 8355607).  It should also fix pr7988, but
I haven't verified that yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112118 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-26 00:13:36 +00:00
Chris Lattner
1a68958d3d we should pattern match the SSE complex arithmetic ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 23:31:42 +00:00
Bob Wilson
709d59255a Start converting NEON load/stores to use pseudo instructions, beginning here 
with the VST4 instructions.  Until after register allocation, we want to
represent sets of adjacent registers by a single super-register.  These
VST4 pseudo instructions have a single QQ or QQQQ source register operand.
They get expanded to the real VST4 instructions with 4 separate D register
operands.  Once this conversion is complete, we'll be able to remove the
NEONPreAllocPass and avoid some fragile and hacky code elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 23:27:42 +00:00
Chris Lattner
aafe626c7f remove some llvmcontext arguments that are now dead post-refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 23:00:45 +00:00
Chris Lattner
e6f7c267df Change handling of illegal vector types to widen when possible instead of 
expanding: e.g. <2 x float> -> <4 x float> instead of -> 2 floats.  This
affects two places in the code: handling cross block values and handling
function return and arguments.  Since vectors are already widened by 
legalizetypes, this gives us much better code and unblocks x86-64 abi
and SPU abi work.

For example, this (which is a silly example of a cross-block value):
define <4 x float> @test2(<4 x float> %A) nounwind {
 %B = shufflevector <4 x float> %A, <4 x float> undef, <2 x i32> <i32 0, i32 1>
 %C = fadd <2 x float> %B, %B
  br label %BB
BB:
 %D = fadd <2 x float> %C, %C
 %E = shufflevector <2 x float> %D, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
 ret <4 x float> %E
}

Now compiles into:

_test2:                                 ## @test2
## BB#0:
 addps %xmm0, %xmm0
 addps %xmm0, %xmm0
 ret

previously it compiled into:

_test2:                                 ## @test2
## BB#0:
 addps %xmm0, %xmm0
 pshufd $1, %xmm0, %xmm1
                                        ## kill: XMM0<def> XMM0<kill> XMM0<def>
 insertps $0, %xmm0, %xmm0
 insertps $16, %xmm1, %xmm0
 addps %xmm0, %xmm0
 ret

This implements rdar://8230384



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112101 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 22:49:25 +00:00
Dan Gohman
ce934260dc Remap metadata attached to instructions when remapping individual 
instructions, not when remapping modules.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 21:36:50 +00:00
Bruno Cardoso Lopes
3e60a232c1 Revert this for now, PUNPCKLDQ dont operate on v4f32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 21:26:37 +00:00
Daniel Dunbar
3d6e4c3111 X86: Fix misencode of RI64mi8. This fixes OpenSSL / x86_64-apple-darwin10 / clang -O3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 21:11:02 +00:00
Devang Patel
ab43add695 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:41:24 +00:00
Devang Patel
78a06e50b7 Remove dead argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112085 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:39:26 +00:00
Jim Grosbach
c52b3cced8 Add some statistics for PEI register scavenging 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:34:28 +00:00
Dan Gohman
064ff3e435 Add a FIXME comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:23:38 +00:00
Dan Gohman
698138384e Fix the bitcode reader to clear out function-specific state 
from MDValueList between each function, now that the bitcode
writer is reusing the index space for function-local metadata.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:22:53 +00:00
Dan Gohman
56e2a57744 Fix a bug found by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112081 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:20:21 +00:00
Dan Gohman
6b9cb84f8c Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112080 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:17:19 +00:00
Benjamin Kramer
7b83c26051 MCELF: Use precomputed symbol indices, patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112079 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 20:09:43 +00:00
Michael J. Spencer
bf252bef67 MC: Fix inconsistant naming in COFF object writer. Patch by Cameron Esfahani. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 19:27:27 +00:00
Jim Grosbach
f78ee6316b Don't override the var from the enclosing scope. 
When doing copy/paste/modify, it's apparently rather important to remember
the 'modify' bit...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112075 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 19:11:34 +00:00
Chris Lattner
574aab5700 zap dead code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112073 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 19:00:00 +00:00
Devang Patel
1955cf1950 DIGlobalVariable can be used to encode debug info for globals that are directly folded into a constant by FE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 18:52:02 +00:00
Benjamin Kramer
fc19695c9a Remove dead recursive function. Yay for clang -Wunused-function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112060 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:27:58 +00:00
Dan Gohman
848c9aedd7 Clear FunctionLocalMDs in purgeFunction along with the rest of the 
function-specific state.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112058 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:11:16 +00:00
Dan Gohman
5c18fa2736 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112056 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:09:50 +00:00
Dan Gohman
879d811563 Eliminate an unnecessary cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 17:09:03 +00:00
Daniel Dunbar
3cc3283fcb ARM/Thumb2: Fix a misselect in getARMCmp, when attempting to adjust a signed 
comparison that would overflow.
 - The other under/overflow cases can't actually happen because the immediates
   which would trigger them are legal (so we don't enter this code), but
   adjusted the style to make it clear the transform is always valid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112053 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 16:58:05 +00:00
Eric Christopher
61c3f9ae06 Do type checks before we bother to do everything else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112039 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 08:43:57 +00:00
Anton Korobeynikov
9f7f83b861 Fix nasty mingw32 bug, which e.g. prevented llvm-gcc bootstrap there. 
Mark _alloca call as clobberring EFLAGS, otherwise some DCE might remove
other flags-clobberring stuff (e.g. cmp instructions) occuring after
_alloca call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112034 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 07:50:11 +00:00
Eric Christopher
b1cc848d1a Reorganize load mechanisms. Handle types in a little less fixed way. 
Fix some todos.  No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112031 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 07:23:49 +00:00
Bruno Cardoso Lopes
f76c55aa40 PUNPCKLDQ should also be used for v4f32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112020 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 02:55:40 +00:00
Bruno Cardoso Lopes
7338bbd32a teach lowering to get target specific nodes for pshufd, emulating the same isel behavior for now, so we can pass all vector shuffle tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112017 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 02:35:37 +00:00
Owen Anderson
6cd2075549 In the default address space, any GEP off of null results in a trap value if you try to load it. Thus, 
any load in the default address space that completes implies that the base value that it GEP'd from
was not null.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112015 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-25 01:16:47 +00:00
Dan Gohman
7548fb37f1 Don't include the is-function-local bit in the FoldingSetNodeID 
for MDNodes, since this information is effectively implied by
the operands. This allow allows the code to avoid doing a
recursive is-it-really-function-local check in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:21:12 +00:00
Chris Lattner
3ac1884509 split the vector case of getCopyFromParts out to its own function, 
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111994 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:20:40 +00:00
Dan Gohman
365c53e328 Use Bits.data() instead of &Bits[0]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111993 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:16:53 +00:00
Chris Lattner
a13b860f4d split the vector case out of getCopyToParts into its own function. No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111990 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 23:10:06 +00:00
Chris Lattner
549fa267ef tidy up, reduce indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111982 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:43:11 +00:00
Eric Christopher
992ea38e0e Fix predicate and add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111981 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:34:11 +00:00
Eric Christopher
e24d66f525 Rework braindead conditionals I put in yesterday. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111974 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:07:27 +00:00
Eric Christopher
9f782d4dcf Fix thumb2 mode loads to have the correct operand ordering. Add a todo 
to fix this in the port.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:03:02 +00:00
Owen Anderson
7bef92ac7a NULL loads are only invalid in the default address space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111972 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 22:00:55 +00:00
Owen Anderson
dae90c6afb Add support for inferring values for the default cases of switches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:59:42 +00:00
Jim Grosbach
3197380143 Add ARM heuristic for when to allocate a virtual base register for stack 
access. rdar://8277890&7352504

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111968 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:19:33 +00:00
Kevin Enderby
6d8f1a9a18 Change the parsing of .loc back to allow the LineNumber field to be optional as 
it is with other assemblers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111967 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:14:47 +00:00
Michael J. Spencer
82c84fdd23 Fix COFF x86-64 relocations. PR7960. 
Multiple symbol reloc handling part of the patch by Cameron Esfahani.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111963 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 21:04:52 +00:00
Owen Anderson
c8ef750605 Add support for inferring that a load from a pointer implies that it is not null. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111959 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:47:29 +00:00
Kevin Enderby
c1840b3da2 First bit of support for the dwarf .loc directive. This patch updates the 
needed parsing for the .loc directive and saves the current info from that
into the context.  The next patch will take the current loc info after an
instruction is assembled and save that info into a vector for each section for
use to build the line number tables.  The patch after that will encode the info
from those vectors into the output file as the dwarf line tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111956 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:32:42 +00:00
Bill Wendling
4e34d50272 - Add the LinkerPrivateWeakDefAutoLinkage to the Ada bindings. 
- Support the LinkerWeak*Linkage types in llvm-nm and in LinkModules.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111952 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 20:00:52 +00:00
Daniel Dunbar
fba88d49e3 MC/X86: Tweak imul recognition, previous hack only applies for the imul form 
taking immediates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111950 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:37:56 +00:00
Dan Gohman
e422d1b162 Link NamedMDNodes after linking GlobalValues, so that MDNodes 
which reference GlobalValues are properly remapped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111949 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:37:11 +00:00
Dan Gohman
e5835fbe7f When linking NamedMDNodes, remap their operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111948 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:31:04 +00:00
Daniel Dunbar
ae528f65ba MC/X86: Add custom hack for recognizing "imul $12, %eax" and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:24:18 +00:00
Daniel Dunbar
e17edff28f MC/AsmParser: Change ParseExpression to use ParseIdentifier(), to support 
dollars in identifiers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111946 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:13:42 +00:00
Daniel Dunbar
ee9102587e MC/X86: Warn on scale factors > 1 without index register, instead of erroring, 
for 'as' compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111945 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:13:38 +00:00
Jim Grosbach
a273442891 Move enabling the local stack allocation pass into the target where it belongs. 
For now it's still a command line option, but the interface to the generic
code doesn't need to know that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111942 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 19:05:43 +00:00
Dan Gohman
05ea54e886 Use MapValue in the Linker instead of having a private function 
which does the same thing. This eliminates redundant code and
handles MDNodes better. MDNode linking still doesn't fully
work yet though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:50:07 +00:00
Daniel Dunbar
1f1b865c40 MC/Parser: Accept leading dollar signs in identifiers. 
- Implemented by manually splicing the tokens. If this turns out to be
   problematically platform specific, a more elegant solution would be to
   implement some context dependent lexing support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111934 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:12:12 +00:00
Dan Gohman
c47a474802 Don't cast away qualifiers with C-style casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111933 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:09:44 +00:00
Jim Grosbach
cd59dc5e81 add ARM cmd line option to force always using virtual base regs when possible. 
Intended to help ease reproducing problems by increasing base register usage
after heuristics for only using the when needed are in place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111930 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 18:04:52 +00:00
Benjamin Kramer
2f6e0e68a4 Relocate against parent if the symbol is not in section or it's a common symbol, from Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:34:39 +00:00
Owen Anderson
53c36c41ae Turn LVI on, previously detected failures should be fixed now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111923 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:21:18 +00:00
Dan Gohman
4ce307f963 MapValue support for MDNodes. This is similar to r109117, except 
that it avoids a lot of unnecessary cloning by avoiding remapping
MDNode cycles when none of the nodes in the cycle actually need to
be remapped. Also it uses the new temporary MDNode mechanism.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 17:10:10 +00:00
Dan Gohman
92b651fb19 Fix X86's isLegalAddressingMode to recognize that static addresses 
need not be RIP-relative in small mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 15:55:12 +00:00
Dan Gohman
6826114d6e Add a comment explaining why this code doesn't just call 
ParseMetadataValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 14:35:45 +00:00
Dan Gohman
41d6ab4b88 Add a comment explaining why this code is more complex than it 
initially seems it should require.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111913 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 14:31:06 +00:00
Kalle Raiskila
55aebef654 Fix SPU BE to use all the available return registers. 
llc used to assert on the added testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111911 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 11:50:48 +00:00
Kalle Raiskila
f53fdc2e45 Remove some dead code from SPU BE that remained 
from 64bit vector support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111910 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 11:05:51 +00:00
Owen Anderson
59b06dc775 Don't assume that all constants with integer types are ConstantInts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 07:55:44 +00:00
Dan Gohman
d01347e080 Add braces to fix dangling else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:40:27 +00:00
Dan Gohman
309b3af547 Extend function-local metadata to be usable as attachments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:24:03 +00:00
Dan Gohman
78aeae2d7b When we know we have an MDValue or MDString, call EnumerateMetadata 
directly instead of going through EnumerateValue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111894 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:10:52 +00:00
Dan Gohman
9d072f51eb Give ParseInstructionMetadata access to the PerFunctionState object. 
This is in preparation for generalizing its parsing of function-local
values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:05:17 +00:00
Dan Gohman
078b05320a Simplify this code. NamedMDNode operands are MDNodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111892 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 02:01:24 +00:00
Bruno Cardoso Lopes
8878e21fe6 Use pshufhw and pshuflw in more cases and fix getTargetShuffleNode number of arguments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 01:16:15 +00:00
Bill Wendling
5e7044bd0e Add comments for what the condition code symbols mean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 01:11:30 +00:00
Eric Christopher
882d62e2db Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111887 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 01:10:52 +00:00
Eric Christopher
2012c7bb7b Fix the opcode and the operands for the load instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111885 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 01:10:04 +00:00
Eric Christopher
f06f309002 Add register class hack that needs to go away, but makes it more obvious 
that it needs to go away.  Use loadRegFromStackSlot where possible.

Also, remember to update the value map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 00:50:47 +00:00
Chris Lattner
a78c67e9bb fix rdar://7997827 - Accept and ignore LL and ULL suffixes on integer literals. 
Also fix 0b010 syntax to actually work while we're at it :-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 00:43:25 +00:00
Eric Christopher
cb0b04ba6f Add some more debugging code, make it more obvious that RegOffset is 
getting an address for an object and select some default values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111871 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 00:07:24 +00:00
Devang Patel
af608bd4fe Revert r107202. It is not adding any value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111870 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-24 00:06:12 +00:00
Eric Christopher
1dfb4d31e0 Don't need the extra register here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111864 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 23:28:04 +00:00
Devang Patel
49d9638075 Let FE use derived types for DW_TAG_friend. 
Patch by Alexander Herz!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 23:16:25 +00:00
Eric Christopher
8654c71e56 Add some more "get address into register" code and a more TODOs/FIXMEs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 23:14:31 +00:00
Eric Christopher
7fe55b739c Add an ARMFunctionInfo member and use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-23 22:32:45 +00:00