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Author SHA1 Message Date
Ulrich Weigand
151ad37fed [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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184437 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 16:24:17 +00:00
Ulrich Weigand
027e94479c [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.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184436 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 16:23:52 +00:00
Ulrich Weigand
0db5379fe6 [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)>;
+


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184435 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 16:15:12 +00:00
Evgeniy Stepanov
4828eacaf3 Fix get_magic() handling of short reads. 
PR16389


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184434 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 15:56:05 +00:00
Rafael Espindola
438600e697 Remove the transitional GetUniqueID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184433 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 15:20:11 +00:00
Rafael Espindola
9aa3365426 Rename fs::GetUniqueID to fs::getUniqueID to match the style guide. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184431 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 15:06:35 +00:00
Evgeniy Stepanov
dd1b7c9685 Remove MSan hack that is no longer needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184428 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 14:19:10 +00:00
Stefanus Du Toit
afea27befa Fix typos "metatadata" -> "metadata" in the LangRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184426 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 14:02:44 +00:00
Rafael Espindola
440dfe9644 Make sure ar is creating a new file instead of updating an existing one. 
Should fix the bots that are seeing a corrupted file from a previous run.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184424 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 13:44:49 +00:00
Rafael Espindola
122c57c0b8 Add r184420 back, but also handle long file names. 
Original message:

Don't include directory names in archives.

This matches the behavior of both gnu and os x versions of ar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184423 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 13:41:51 +00:00
Rafael Espindola
9d39cb1d64 Revert "Don't include directory names in archives." 
This reverts commit 184420.
Investigating the bot failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184421 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 13:23:48 +00:00
Rafael Espindola
be984d6376 Don't include directory names in archives. 
This matches the behavior of both gnu and os x versions of ar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184420 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 13:16:44 +00:00
Rafael Espindola
6f2c88a08b Remove remaining bits of the old LLVM specific symtab handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184418 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 13:00:30 +00:00
Rafael Espindola
e9ff273aca Remove more unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184416 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 12:45:47 +00:00
Rafael Espindola
f0436b82fd Remove unused methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184415 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 12:42:00 +00:00
Rafael Espindola
a18b281791 Use the simpler sys::fs::exists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184413 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 12:04:39 +00:00
Rafael Espindola
436cd0cfcf Convert a use of sys::Path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184412 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 11:59:19 +00:00
Vladimir Medic
7231625f75 Optimize register parsing for MipsAsmParser. Allow symbolic aliases for FPU registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184411 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 11:21:49 +00:00
Bill Wendling
face8d901e Remove static, because it was messing everything up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184400 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 06:51:06 +00:00
David Blaikie
4532c280f5 DebugInfo: don't use location lists when the location covers the whole function anyway 
Fix up three tests - one that was relying on abbreviation number,
another relying on a location list in this case (& testing raw asm,
changed that to use dwarfdump on the debug_info now that that's where
the location is), and another which was added in r184368 - exposing a
bug in that fix that is exposed when we emit the location inline rather
than through a location list. Fix that bug while I'm here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184387 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-20 00:25:24 +00:00
Argyrios Kyrtzidis
4e91fa3834 [Support/CrashRecoveryContext] Make sure CrashRecoveryContext does not clear the thread-local "CurrentContext" 
in the "parent" thread, when we are using CrashRecoveryContext::RunSafelyOnThread.

When using CrashRecoveryContext::RunSafelyOnThread, we would set a CrashRecoveryContextImpl* to a thread-local variable
for the "child" thread, but CrashRecoveryContext would erroneously clear it in the "parent" thread.

The result was that if CrashRecoveryContext::RunSafelyOnThread was called again in the "child" thread it would mess up
crash-recovery for its parent.

A test for this will be added in the clang repository.
rdar://14204560

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184380 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:53:45 +00:00
Bill Wendling
228546b8cb This is now a duplicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184376 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:16:33 +00:00
Bill Wendling
3b6e067f56 Make the '==' operator inline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184375 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:16:11 +00:00
Bill Wendling
8623ecb263 Make this static inline to avoid duplicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184374 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:12:11 +00:00
Bill Wendling
59aa540738 Make the comparison operators non-member functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184373 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:09:25 +00:00
David Blaikie
cc631588a9 Spelling correction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184370 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 22:00:13 +00:00
Bill Wendling
0c92f2a1c7 Don't pass in the TargetInstrInfo into the register info object. It doesn't use it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184369 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:59:00 +00:00
David Blaikie
0159ae4295 DebugInfo: PR14763/r183329 correct the location of indirect parameters 
We had been papering over a problem with location info for non-trivial
types passed by value by emitting their type as references (this caused
the debugger to interpret the location information correctly, but broke
the type of the function). r183329 corrected the type information but
lead to the debugger interpreting the pointer parameter as the value -
the debug info describing the location needed an extra dereference.

Use a new flag in DIVariable to add the extra indirection (either by
promoting an existing DW_OP_reg (parameter passed in a register) to
DW_OP_breg + 0 or by adding DW_OP_deref to an existing DW_OP_breg + n
(parameter passed on the stack).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184368 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:55:13 +00:00
Michael Gottesman
4f71c1b2b9 [APFloat] Changed APFloat::isNormal => APFloat::isFiniteNonZero for all tests in unittests. 
I forgot to to do this in r184356. The only references were in APFloatTest.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184366 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:53:45 +00:00
David Blaikie
c971cb8281 DebugInfo: Specify that a value is stored indirectly 
This is a precursor to fix a regression caused by PR14763/r183329 where
the location of a non-trivial pass-by-value parameter ends up
incorrectly referring directly to the parameter (a pointer) rather than
the object pointed to by the pointer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184365 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:52:48 +00:00
David Blaikie
0812304ad8 Spell correct (s/begining/beginning/) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184362 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:42:05 +00:00
David Blaikie
3df7d2f70b llvm-dwarfdump: Add support for dumping the .debug_loc section 
This is a basic implementation - we still don't have any support (that I
know of) for dumping DWARF expressions in a meaningful way, so the
location information itself is just printed as a sequence of bytes as we
do elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184361 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:37:13 +00:00
Bill Wendling
ba54bca472 Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184360 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:36:55 +00:00
Rafael Espindola
ce1164be37 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184359 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:33:52 +00:00
Ulrich Weigand
4df4bccc71 [MC/DWARF] Generate multiple .debug_line entries for adjacent .loc directives 
The compiler occasionally generates multiple .loc directives in a row
(at the same instruction address).  These need to be transformed into
multple actual .debug_line table entries, since they are used to signal
certain information to the debugger (e.g. if the opening brace of a
function body is on the same line as the declaration).

The MCAsmStreamer version of EmitDwarfLocDirective handles this
correctly by emitting a .loc directive every time it is called.
However, the MCObjectStream version simply defaults to recording
the information and emitting only a single table entry later,
e.g. when EmitInstruction is called.

This patch introduces a MCAsmStreamer::EmitDwarfLocDirective
version that emits a line table entry for a .loc directive
that may already be pending before recording the new directive.
(This is similar to how this is handled in GNU as.)

With this patch (and the code alignment factor patch) applied,
I'm now getting identical DWARF .debug sections for all test-suite
object files on PowerPC for the internal and the external assembler.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184357 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:27:27 +00:00
Michael Gottesman
07969dc8ae [APFloat] Converted all references to APFloat::isNormal => APFloat::isFiniteNonZero. 
Turns out all the references were in llvm and not in clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184356 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:23:18 +00:00
Rafael Espindola
63e8ba9bcf Really fix the missing header :-( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184355 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:21:43 +00:00
Rafael Espindola
b167ba7f95 Add missing include found by the bots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184354 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:20:41 +00:00
Rafael Espindola
b4900b132e Remove last use of PathV1.h from Archive.h 
Store the individual fields we need instead of a sys::FileStatus.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184353 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:13:59 +00:00
Bill Wendling
f9fd58a44b Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184352 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:07:11 +00:00
Aaron Ballman
4655485eb7 Modified the implementation of fs::GetUniqueID on Windows such that it actually finds a unique identifier for a file. Also adds unit tests for GetUniqueID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184351 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:03:50 +00:00
Michael Gottesman
7032c883cd [APFloat] Added isFiniteNonZero predicate. 
This is the first patch in a series of patches to rename isNormal =>
isFiniteNonZero and isIEEENormal => isNormal. In order to prevent careless
errors on my part the overall plan is:

1. Add the isFiniteNonZero predicate with tests. I can do this in a method
independent of isNormal. (This step is this patch).
2. Convert all references to isNormal with isFiniteNonZero. My plan is to
comment out isNormal locally and continually convert isNormal references =>
isFiniteNonZero until llvm/clang compiles.
3. Remove old isNormal and rename isIEEENormal to isNormal.
4. Look through all of said references from patch 2 and see if we can simplify
them by using the new isNormal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184350 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 21:00:17 +00:00
Bill Wendling
ea44281d5d Access the TargetLoweringInfo from the TargetMachine object instead of caching it. The TLI may change between functions. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184349 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:51:24 +00:00
Bill Wendling
2e1dc2d265 Add operator!= as the compliment to operator==. This is for a future change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184348 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:50:12 +00:00
Bill Wendling
d626d33246 Don't cache the TLI object since we have access to it through TargetMachine already. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184346 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:32:16 +00:00
Michael Gottesman
c896020dd8 [APFloat] Expose isSmallest/isLargest as public methods. 
I have had several requests to expose these two methods as public for various
potential optimizations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184345 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:31:54 +00:00
Ahmed Bougacha
7ab184a2a1 Allow creation of single-byte MCAtoms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184344 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:18:59 +00:00
Matt Arsenault
ad966ea7a8 Move StructurizeCFG out of R600 to generic Transforms. 
Register it with PassManager

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184343 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 20:18:24 +00:00
Quentin Colombet
5a2fb058d3 LSR: Fix the parameters used to compute the scaling factor cost. 
Prior to this change, the considered addressing modes may be invalid since the
maximum and minimum offsets were not taking into account.
This was causing an assertion failure.

The added test case exercices that behavior.

<rdar://problem/14199725> Assertion failed: (CurScaleCost >= 0 && "Legal
addressing mode has an illegal cost!")


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184341 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 19:59:41 +00:00
Bill Wendling
ae5758bac7 Add unit test to test a trivial verifier check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184338 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-19 19:26:44 +00:00