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Author SHA1 Message Date
Michael Gottesman
bf06a36902 [objcarcopts] Some more minor code cleanups/comment additions. 
llvm-svn: 184531
 2013-06-21 06:54:31 +00:00
Michael Gottesman
ac9f36ba1c [objcarcopts] Refactor out the RRInfo merging code from PtrState into RRInfo::Merge. 
I also added some comments and performed minor code cleanups.

llvm-svn: 184528
 2013-06-21 05:42:08 +00:00
Nadav Rotem
232096ea37 SLP Vectorizer: do not search for store-chains that are wider than the vector-register size. 
llvm-svn: 184527
 2013-06-21 04:18:13 +00:00
Michael Gottesman
fcbaa2ff04 [APFloat] Added missing doxygen module closing statement. 
llvm-svn: 184526
 2013-06-21 04:14:17 +00:00
David Blaikie
1761f49491 DebugInfo: When asm printing include a '[def]' tag for tag decls that are definitions (& rename the 'fwd' tag to 'decl' for clarity) 
This change is version locked with a change in Clang, so expect some
transient buildbot fallout.

llvm-svn: 184525
 2013-06-21 03:41:54 +00:00
Meador Inge
864cf3e669 Add a release note for removing the simplify-libcalls pass. 
llvm-svn: 184522
 2013-06-21 03:08:23 +00:00
Sean Silva
8e27158b1a [docs] Fix broken link. 
llvm-svn: 184514
 2013-06-21 01:11:52 +00:00
Sean Silva
13fa254a61 [yaml2obj][ELF] Allow expressing undefined symbols. 
Previously we unconditionally enforced that section references in
symbols in the YAML had a name that was a section name present in the
object, and linked the references to that section. Now, permit empty
section names (already the default, if the `Section` key is not
provided) to indicate SHN_UNDEF.

llvm-svn: 184513
 2013-06-21 01:11:48 +00:00
Sean Silva
c04d8ed7be Unbreak bots. Didn't realize this was a C++11 feature. 
llvm-svn: 184508
 2013-06-21 00:33:01 +00:00
Sean Silva
5ab882091c [docs] Fix formatting. 
'\n' was displaying as 'n'

llvm-svn: 184507
 2013-06-21 00:27:54 +00:00
Sean Silva
891dc92008 [yaml2obj][ELF] Don't explicitly set Binding with STB_* 
Instead, just have 3 sub-lists, one for each of
{STB_LOCAL,STB_GLOBAL,STB_WEAK}.

This allows us to be a lot more explicit w.r.t. the symbol ordering in
the object file, because if we allowed explicitly setting the STB_*
`Binding` key for the symbol, then we might have ended up having to
shuffle STB_LOCAL symbols to the front of the list, which is likely to
cause confusion and potential for error.

Also, this new approach is simpler ;)

llvm-svn: 184506
 2013-06-21 00:27:50 +00:00
Quentin Colombet
bdb6bfd975 ARM: Remove a (false) dependency on the memoryoperand's value as we do not use 
it at the moment.
This allows to form more paired loads even when stack coloring pass destroys the
memoryoperand's value.

<rdar://problem/13978317>

llvm-svn: 184492
 2013-06-20 22:51:44 +00:00
Ulrich Weigand
cd7cbdb152 [PowerPC] Clean up VK_PPC_TOC... names 
This is another minor cleanup; to bring enum names in line
with the corresponding @modifier names, this renames:

  VK_PPC_TOC -> VK_PPC_TOCBASE
  VK_PPC_TOC_ENTRY -> VK_PPC_TOC16

No code change intended.

llvm-svn: 184491
 2013-06-20 22:39:42 +00:00
Kevin Enderby
b71a2e2f2e Update the X86 disassembler to use xacquire and xrelease when appropriate. 
This is a bit tricky as the xacquire and xrelease hints use the same bytes,
0xf2 and 0xf3, as the repne and rep prefixes.

Fortunately llvm has different llvm MCInst Opcode enums for rep/xrelease
and repne/xacquire. So to make this work a boolean was added the
InternalInstruction struct as part of the Prefix state which is set with the
added logic in readPrefixes() when decoding an instruction to determine
if these prefix bytes are to be disassembled as xacquire or xrelease.  Then
we let the matcher pick the normal prefix instructionID and we change the
Opcode after that when it is set into the MCInst being created.

rdar://11019859

llvm-svn: 184490
 2013-06-20 22:32:18 +00:00
Rafael Espindola
ca881d57f8 Add another fixme. 
llvm-svn: 184488
 2013-06-20 22:07:53 +00:00
Rafael Espindola
9c56a2e602 Add a fixme. 
llvm-svn: 184486
 2013-06-20 22:04:56 +00:00
Ulrich Weigand
4de6b60db1 [PowerPC] Minor cleanup in PPCELFObjectWriter::getRelocTypeInner 
This just re-sorts the big switch statement in
PPCELFObjectWriter::getRelocTypeInner to follow
the (numerical) order of the reloc types, and
fixes a couple of whitespace issues.

llvm-svn: 184485
 2013-06-20 22:04:40 +00:00
Rafael Espindola
9636a2717e Remove last use of PathV1.h from Archive.cpp. 
llvm-svn: 184484
 2013-06-20 22:02:10 +00:00
Tom Stellard
a1d0e771db R600/SI: Expand sub for v2i32 and v4i32 for SI 
Also add a v2i32 test to the existing v4i32 test.

Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry<awatry@gmail.com>
llvm-svn: 184482
 2013-06-20 21:55:37 +00:00
Tom Stellard
c419716668 R600/SI: Expand add for v2i32 and v4i32 
Also add SI tests to existing file and a v2i32 test for both
R600 and SI.

Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry <awatry@gmail.com>
llvm-svn: 184481
 2013-06-20 21:55:30 +00:00
Tom Stellard
a6ec00250a R600: Expand v2i32 load/store instead of custom lowering 
The custom lowering causes llc to crash with a segfault.

Ideally, the custom lowering can be fixed, but this allows
programs which load/store v2i32 to work without crashing.

Patch by: Aaron Watry

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
Signed-off-by: Aaron Watry<awatry@gmail.com>
llvm-svn: 184480
 2013-06-20 21:55:23 +00:00
Stephen Lin
cd893c2ca5 Minor grammar and word usage fix to 'returned' parameter attribute section of LangRef 
llvm-svn: 184479
 2013-06-20 21:55:10 +00:00
Rafael Espindola
932ff464b9 make getLastModificationTime const. Move it with the other getters. 
llvm-svn: 184478
 2013-06-20 21:51:49 +00:00
Sean Silva
873dafebc7 [yaml2obj][ELF] Add support for st_value and st_size. 
After this patch, the ELF file produced by
`yaml2obj-elf-symbol-basic.yaml`, when linked and executed on x86_64
(under SysV ABI, obviously; I tested on Linux), produces a working
executable that goes into an infinite loop!

llvm-svn: 184469
 2013-06-20 20:59:47 +00:00
Sean Silva
b8315826cf [yaml2obj][ELF] Allow symbols to reference sections. 
llvm-svn: 184468
 2013-06-20 20:59:41 +00:00
Sean Silva
b36f148890 [yaml2obj][ELF] Add the section name -> section index map to State. 
One of the key things that the YAML format abstracts over is the use of
section numbers for referencing sections. Instead, textual section names
are used, which yaml2obj then translates into appropriate section
numbers. (Technically ELF doesn't care about section names (only section
numbers), but since this is a testing tool, readability counts).

This simplifies using section names as symbolic references in various
parts of the code. An upcoming commit will use this to allow symbols to
reference sections.

llvm-svn: 184467
 2013-06-20 20:59:34 +00:00
Rafael Espindola
695308b067 Add a setLastModificationAndAccessTime to PathV2. 
With this we can remove the last use of PathV1 from llvm-ar.cpp.

llvm-svn: 184464
 2013-06-20 20:56:14 +00:00
Akira Hatanaka
28386f0db3 [mips] Remove Triple:mips from SupportedArchs in MCJIT unittests 
MIPS does not handle multiple relocations correctly, so two tests from the
unittests are expected to fail. These are:
 - MCJITTest.return_global and
 - MCJITTest.multiple_functions.

Until the multiple relocations are fixed, XFAIL the MCJIT unittests for
MIPS. This issue is tracked as Bug 16250.

Patch by Petar Jovanovic.

llvm-svn: 184461
 2013-06-20 20:33:06 +00:00
Rafael Espindola
8daed8070b Use a raw_fd_ostream instead of a std::ofstream. 
llvm-svn: 184460
 2013-06-20 19:50:39 +00:00
Meador Inge
f58d6431f9 Remove the simplify-libcalls pass (finally) 
This commit completely removes what is left of the simplify-libcalls
pass.  All of the functionality has now been migrated to the instcombine
and functionattrs passes.  The following C API functions are now NOPs:

  1. LLVMAddSimplifyLibCallsPass
  2. LLVMPassManagerBuilderSetDisableSimplifyLibCalls

llvm-svn: 184459
 2013-06-20 19:48:07 +00:00
Sean Silva
8006fd36a5 [yaml2obj][ELF] Start factoring into "single point of truth". 
llvm-svn: 184457
 2013-06-20 19:11:44 +00:00
Sean Silva
459731fae0 [yaml2obj][ELF] Just let this class own its buffer. 
llvm-svn: 184456
 2013-06-20 19:11:41 +00:00
Rafael Espindola
61a1d241a1 Remove a trivial use of sys::Path. 
llvm-svn: 184455
 2013-06-20 18:55:44 +00:00
Michael Gottesman
fac1685172 [ReleaseNotes] Added bullet point stating that APFloat::isNormal() is now IEEE 754R-2008 compliant and that the relevant method renaming occurred. 
For more information see r184449, r184350, r184356, r184366.

llvm-svn: 184452
 2013-06-20 18:47:51 +00:00
Rafael Espindola
ffbd9ee39f Add support for getting the last modification time from a file_status. 
Use that in llvm-ar.cpp to replace a use of sys::PathWithStatus.

llvm-svn: 184450
 2013-06-20 18:42:04 +00:00
Michael Gottesman
5982da1002 [APFloat] Rename isIEEENormal => isNormal and remove old isNormal method. 
The old isNormal is already functionally replaced by the method isFiniteNonZero
in r184350 and all references to said method were replaced in LLVM/clang in
r184356/134366.

llvm-svn: 184449
 2013-06-20 18:34:38 +00:00
Rafael Espindola
f1ead5434a Use only the filename when deciding if a file is a duplicate. 
Matches gnu ar behavior.

llvm-svn: 184448
 2013-06-20 18:30:37 +00:00
Michael Gottesman
c03c0f1f1b [APFloat] Fix typo in test so we actually test if we handle denormals. 
llvm-svn: 184447
 2013-06-20 18:25:16 +00:00
Nadav Rotem
9191086b4b Clang-format the SLP vectorizer. No functionality change. 
llvm-svn: 184446
 2013-06-20 17:54:36 +00:00
Joey Gouly
a600985f50 This reverts r155000. 
The cdp2 instruction should have the same restrictions as cdp on the
co-processor registers.

VFP instructions on v8/AArch32 share the same encoding space as cdp2.

llvm-svn: 184445
 2013-06-20 17:42:36 +00:00
Nadav Rotem
83cdea61cd SLPVectorization: Add a basic support for cross-basic block slp vectorization. 
We collect gather sequences when we vectorize basic blocks. Gather sequences are excellent
hints for vectorization of other basic blocks.

llvm-svn: 184444
 2013-06-20 17:41:45 +00:00
David Blaikie
766a1b151d Give this X86-specific test a triple so it's actually X86-specific. 
llvm-svn: 184443
 2013-06-20 17:31:32 +00:00
Ulrich Weigand
502b057268 [PowerPC] Remove unused parameter 
The isDarwin parameter to the llvm::LowerPPCMachineInstrToMCInst
routine is now no longer needed; remove it.

llvm-svn: 184441
 2013-06-20 16:58:14 +00:00
Nadav Rotem
b87c78377e Change the debug type to match the debug type that is used by vecutils.cpp. 
This change makes it easier to filter debug messages.

llvm-svn: 184440
 2013-06-20 16:38:05 +00:00
Ulrich Weigand
4cd8a01569 [PowerPC] Add missing build dependency 
This (hopefully) fixes build failures resulting from r184436;
the PowerPC asm parser now depends on PowerPC target expresssions.

llvm-svn: 184439
 2013-06-20 16:38:00 +00:00
Ulrich Weigand
8c70d558d3 [MC] Support @ variants with directional labels 
The assembler parser common code supports recognizing symbol variants
using the @ modifer.  On PowerPC, it should also be possible to use
(some of) those modifiers with directional labels, like "1f@l".

This patch adds support for accepting symbol variants on directional
labels as well.

llvm-svn: 184437
 2013-06-20 16:24:17 +00:00
Ulrich Weigand
99f0423d50 [PowerPC] Optimize @ha/@l constructs 
This patch adds support for having the assembler optimize fixups
to constructs like "symbol@ha" or "symbol@l" if "symbol" can be
resolved at assembler time.

This optimization is already present in the PPCMCExpr.cpp code
for handling PPC_HA16/PPC_LO16 target expressions.  However,
those target expression were used only on Darwin targets.

This patch changes target expression code so that they are
usable also with the GNU assembler (using the @ha / @l syntax
instead of the ha16() / lo16() syntax), and changes the
MCInst lowering code to generate those target expressions
where appropriate.

It also changes the asm parser to generate HA16/LO16 target
expressions when parsing assembler source that uses the
@ha / @l modifiers.  The effect is that now the above-
mentioned optimization automatically becomes available
for those situations too.
 

llvm-svn: 184436
 2013-06-20 16:23:52 +00:00
Ulrich Weigand
e143b13aca [PowerPC] Support compare mnemonics with implied CR0 
Just like for branch mnemonics (where support was recently added), the
assembler is supposed to support extended mnemonics for the compare
instructions where no condition register is specified explicitly
(and CR0 is assumed implicitly).

This patch adds support for those extended compare mnemonics.


Index: llvm-head/test/MC/PowerPC/ppc64-encoding-ext.s
===================================================================
--- llvm-head.orig/test/MC/PowerPC/ppc64-encoding-ext.s
+++ llvm-head/test/MC/PowerPC/ppc64-encoding-ext.s
@@ -449,21 +449,37 @@
 
 # CHECK: cmpdi 2, 3, 128                 # encoding: [0x2d,0x23,0x00,0x80]
          cmpdi 2, 3, 128
+# CHECK: cmpdi 0, 3, 128                 # encoding: [0x2c,0x23,0x00,0x80]
+         cmpdi 3, 128
 # CHECK: cmpd 2, 3, 4                    # encoding: [0x7d,0x23,0x20,0x00]
          cmpd 2, 3, 4
+# CHECK: cmpd 0, 3, 4                    # encoding: [0x7c,0x23,0x20,0x00]
+         cmpd 3, 4
 # CHECK: cmpldi 2, 3, 128                # encoding: [0x29,0x23,0x00,0x80]
          cmpldi 2, 3, 128
+# CHECK: cmpldi 0, 3, 128                # encoding: [0x28,0x23,0x00,0x80]
+         cmpldi 3, 128
 # CHECK: cmpld 2, 3, 4                   # encoding: [0x7d,0x23,0x20,0x40]
          cmpld 2, 3, 4
+# CHECK: cmpld 0, 3, 4                   # encoding: [0x7c,0x23,0x20,0x40]
+         cmpld 3, 4
 
 # CHECK: cmpwi 2, 3, 128                 # encoding: [0x2d,0x03,0x00,0x80]
          cmpwi 2, 3, 128
+# CHECK: cmpwi 0, 3, 128                 # encoding: [0x2c,0x03,0x00,0x80]
+         cmpwi 3, 128
 # CHECK: cmpw 2, 3, 4                    # encoding: [0x7d,0x03,0x20,0x00]
          cmpw 2, 3, 4
+# CHECK: cmpw 0, 3, 4                    # encoding: [0x7c,0x03,0x20,0x00]
+         cmpw 3, 4
 # CHECK: cmplwi 2, 3, 128                # encoding: [0x29,0x03,0x00,0x80]
          cmplwi 2, 3, 128
+# CHECK: cmplwi 0, 3, 128                # encoding: [0x28,0x03,0x00,0x80]
+         cmplwi 3, 128
 # CHECK: cmplw 2, 3, 4                   # encoding: [0x7d,0x03,0x20,0x40]
          cmplw 2, 3, 4
+# CHECK: cmplw 0, 3, 4                   # encoding: [0x7c,0x03,0x20,0x40]
+         cmplw 3, 4
 
 # FIXME: Trap mnemonics
 
Index: llvm-head/lib/Target/PowerPC/PPCInstrInfo.td
===================================================================
--- llvm-head.orig/lib/Target/PowerPC/PPCInstrInfo.td
+++ llvm-head/lib/Target/PowerPC/PPCInstrInfo.td
@@ -2201,3 +2201,12 @@ defm : BranchExtendedMnemonic<"ne", 68>;
 defm : BranchExtendedMnemonic<"nu", 100>;
 defm : BranchExtendedMnemonic<"ns", 100>;
 
+def : InstAlias<"cmpwi $rA, $imm", (CMPWI CR0, gprc:$rA, s16imm:$imm)>;
+def : InstAlias<"cmpw $rA, $rB", (CMPW CR0, gprc:$rA, gprc:$rB)>;
+def : InstAlias<"cmplwi $rA, $imm", (CMPLWI CR0, gprc:$rA, u16imm:$imm)>;
+def : InstAlias<"cmplw $rA, $rB", (CMPLW CR0, gprc:$rA, gprc:$rB)>;
+def : InstAlias<"cmpdi $rA, $imm", (CMPDI CR0, g8rc:$rA, s16imm:$imm)>;
+def : InstAlias<"cmpd $rA, $rB", (CMPD CR0, g8rc:$rA, g8rc:$rB)>;
+def : InstAlias<"cmpldi $rA, $imm", (CMPLDI CR0, g8rc:$rA, u16imm:$imm)>;
+def : InstAlias<"cmpld $rA, $rB", (CMPLD CR0, g8rc:$rA, g8rc:$rB)>;
+

llvm-svn: 184435
 2013-06-20 16:15:12 +00:00
Evgeniy Stepanov
be5fa31841 Fix get_magic() handling of short reads. 
PR16389

llvm-svn: 184434
 2013-06-20 15:56:05 +00:00
Rafael Espindola
0a090bf840 Remove the transitional GetUniqueID. 
llvm-svn: 184433
 2013-06-20 15:20:11 +00:00