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Author SHA1 Message Date
Bill Wendling
3c04296b83 Enable GVN Load PRE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72589 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 20:38:16 +00:00
Duncan Sands
44008257a4 Dan noticed that the verifier wasn't thoroughly checking uses of 
invoke results (see the testcases).  Tighten up the checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 19:39:36 +00:00
Bruno Cardoso Lopes
d80ddc0b64 Fix some typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72579 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 17:08:57 +00:00
Torok Edwin
70ac142560 just show the instruction, its not that slow. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72577 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 16:58:36 +00:00
Torok Edwin
7e55a00d06 for instructions with void type we have no choice but print the instruction as 
is, otherwise we get a <badref>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72567 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 10:28:44 +00:00
Torok Edwin
3f3c6d4e5b Add a DEBUG() output to GVN that prints the instruction clobbering a load. 
This is useful when trying to figure out why GVN didn't eliminate redundant
loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 09:46:03 +00:00
Owen Anderson
246ddf55d1 Fix an issue where phiMap was not being updated properly when doing load PRE. 
Diagnosis and patch thanks to Jakub Staszak.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72562 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 05:37:54 +00:00
Evan Cheng
abdbc57abb Default isNarrowingProfitable to false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72561 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 05:31:40 +00:00
Evan Cheng
8e610a7784 Remove an accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72560 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 05:28:52 +00:00
Evan Cheng
cb219f0ef6 More h-registers tricks: folding zext nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-29 01:44:43 +00:00
Evan Cheng
d3c76bb6fc Do not try to create a MVT type of width 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 23:52:18 +00:00
Bill Wendling
2265ba0717 The MONITOR and MWAIT instructions have insufficient information for 
decoding. Essentially, they both map to the same column in the "opcode
extensions for one- and two-byte opcodes" table in the x86 manual. The RawFrm
complicates decoding this.

Instead, use opcode 0x01, prefix 0x01, and form MRM1r. Then have the code
emitter special case these, a la [SML]FENCE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 23:40:46 +00:00
Daniel Dunbar
056dbd0645 NewNightlyTest.pl: Add a -parallel-jobs argument (set # of jobs for make with 
-parallel, instead of always using 2).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72551 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 22:45:24 +00:00
Eli Friedman
f1f7c09390 Add explicit test for PR4280. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72539 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 21:04:35 +00:00
Eli Friedman
bbdd903c52 Re-commit r72514 and r72516 with a fixed version of BR_CC lowering. 
This patch removes some special cases for opcodes and does a bit of 
cleanup.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 20:40:34 +00:00
Evan Cheng
8a0b2daac2 Fix MOVMSKPDrr encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72535 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:55:28 +00:00
Evan Cheng
ed7f56b555 Fix PSIGND encoding bug. Patch by Sean Callanan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72534 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:48:53 +00:00
Evan Cheng
cdcecc03ce Incorporate patch feedbacks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72533 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:41:02 +00:00
Daniel Dunbar
94a37a41eb NightlyTest: Write "sentdata.txt" files and run the -submit-aux script before 
sending data to the server.
 - Otherwise if the server connection fails the external script never runs.

Also, create content before initiating connection to try and decrease time we
are connected to llvm.org.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72532 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:31:40 +00:00
Sanjiv Gupta
dd4694b519 Emit debug info for locals with proper scope. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:24:11 +00:00
Bill Wendling
43b41273f3 Temporarily revert r72514 (and dependent patch r72516). It was causing this 
failure during llvm-gcc bootstrap:

Assertion failed: (!Tmp2.getNode() && "Can't legalize BR_CC with legal condition!"), function ExpandNode, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore.roots/llvmCore~obj/src/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp, line 2923.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmgcc42.roots/llvmgcc42~obj/src/gcc/libgcc2.c:1727: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72530 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 18:18:59 +00:00
Sanjiv Gupta
a455942895 Mark the branch insns correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 17:32:56 +00:00
Sanjiv Gupta
df75a27609 Fixing problems that got exposed after the refactoring of LegalizeDAG done in 72447. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 06:59:57 +00:00
Eli Friedman
b999a7056e Add a testcase which got fixed by recent legalization work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 05:10:20 +00:00
Eli Friedman
e727d7a084 Remove a couple of useless functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 04:49:34 +00:00
Eli Friedman
1c39965342 Remove special cases for more opcodes. 
This is basically the end of this series of patches for LegalizeDAG; the 
remaining special cases can't be removed without more infrastructure 
work.  There's a FIXME for each relevant opcode near the beginning of
SelectionDAGLegalize::LegalizeOp.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72514 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 04:39:57 +00:00
Eli Friedman
c06441e5ea Return the operand rather than a null SDValue when the given SELECT_CC 
is actually legal.  Part of LegalizeDAG cleanups.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72513 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 04:31:08 +00:00
Nick Lewycky
e3f1fb1ee8 Use Operands.data() instead of &Operands[0] where Operands is a potentially 
empty SmallVector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 04:08:10 +00:00
Eli Friedman
ad75460e30 Remove special case for SETCC opcode; add some comments explaining why 
some special cases are necessary.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 03:56:57 +00:00
Jeffrey Yasskin
2d92c71668 This patch brings the list of attributes in CPPBackend.cpp up to date with the 
list in Attributes.h. It also reorders the CPPBackend list to match so that
it's easier to see that it's complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 03:16:17 +00:00
Eli Friedman
3be2e514c9 Some minor cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 03:06:16 +00:00
Bill Wendling
3b1259bb9f "The instructions MMX_PSADBWrm and MMX_PSADBWrr have opcode 0b11100000 (e0), but 
the Intel manual (screenshot) says it should be 0b11110110 (f6).  The existing
encoding causes a disassembly conflict with MMX_PAVGBrm, which really should be
0f e0."

Patch by Sean Callanan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 02:04:00 +00:00
Evan Cheng
8b944d39b3 Added optimization that narrow load / op / store and the 'op' is a bit twiddling instruction and its second operand is an immediate. If bits that are touched by 'op' can be done with a narrower instruction, reduce the width of the load and store as well. This happens a lot with bitfield manipulation code. 
e.g.
orl     $65536, 8(%rax)
=>
orb     $1, 10(%rax)

Since narrowing is not always a win, e.g. i32 -> i16 is a loss on x86, dag combiner consults with the target before performing the optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72507 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-28 00:35:15 +00:00
Dan Gohman
c2695eba57 Revert 72493 and replace it with a more conservative fix, for now: don't 
rewrite the comparison if there is any implicit extension or truncation
on the induction variable. I'm planning for IVUsers to eventually take
over some of the work of this code, and for it to be generalized.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 21:10:47 +00:00
Eli Friedman
ba2352b066 Ger rid of some dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 20:39:00 +00:00
Dan Gohman
ead28bd04b In ChangeCompareStride, when the stride to be reused is truncated to 
a smaller type, promoted its offset back up to the type of the new
comparison. This fixes PR4222.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72493 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 20:00:18 +00:00
Evan Cheng
bc9be219d6 Fix sfence jit encoding. Patch by Sean Callanan. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 18:38:01 +00:00
Bill Wendling
4ff5047240 This looks like it passes now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72485 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 17:43:21 +00:00
Bruno Cardoso Lopes
d3bdf19ce7 Added support for fround, fextend and FP_TO_SINT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 17:23:44 +00:00
Douglas Gregor
0d09b83a48 Minor fix for CMake build system 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 16:52:17 +00:00
Oscar Fuentes
1a53cbfb4a CMake: Set LIBS on llvm-config so we can query the system libraries 
used by CMake with --ldflags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 15:49:33 +00:00
Eli Friedman
b5da3f6f98 Minor cleanups; add a better explanation for the issue with 
BUILD_VECTOR.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72469 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 12:42:55 +00:00
Eli Friedman
4bc8c71821 Remove more special cases for opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72468 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 12:20:41 +00:00
Eli Friedman
509150f973 Remove special cases for more opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72467 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 07:58:35 +00:00
Eli Friedman
f6f20a7779 Removing more special cases from LegalizeDAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72465 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 07:32:27 +00:00
Eli Friedman
26ea8f982f Eliminate more special cases for opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72464 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 07:05:37 +00:00
Eli Friedman
f6b23bfc79 Remove more special cases from LegalizeDAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 03:33:44 +00:00
Eli Friedman
47b41f7e20 Remove unused argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72455 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 02:21:29 +00:00
Eli Friedman
3f727d6c1b Remove more opcode special cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 02:16:40 +00:00
Dan Gohman
f1a80489d6 Add braces around an array initializer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-27 02:07:15 +00:00