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Commit Graph

54361 Commits

Author SHA1 Message Date
Chris Lattner
69a52dd583 fix a logic error that would cause LVI-JT to miscompile
some conditionals

llvm-svn: 88868
2009-11-15 20:01:24 +00:00
Chris Lattner
7ea8b3fbf8 implement the first stab at caching queries. This isn't correct
(because the invalidation logic is missing) but LVI isn't enabled
by default anyway.

llvm-svn: 88867
2009-11-15 20:00:52 +00:00
Chris Lattner
b9a9336376 refactor a bunch of code forming the new LazyValueInfoCache
and LVIQuery classes, no functionality change.

llvm-svn: 88866
2009-11-15 19:59:49 +00:00
Chris Lattner
15cd19dddb make PRE of loads preserve the alignment of the moved load instruction.
llvm-svn: 88865
2009-11-15 19:58:31 +00:00
Chris Lattner
59f69de88f fix a bug handling 'not x' when x is undef.
llvm-svn: 88864
2009-11-15 19:57:43 +00:00
Chris Lattner
94b8fd17c7 mark getIntrinsicID() 'readonly'. This allows various classof methods
(like DbgDeclareInst's) to shrink substantially.  It sucks that we have
to pull Compiler.h into such a public header, but at least Compiler.h
doesn't pull anything else in.

llvm-svn: 88863
2009-11-15 19:56:28 +00:00
Chris Lattner
5bbbe72be5 add attributes for readnone/readonly functions.
llvm-svn: 88862
2009-11-15 19:54:31 +00:00
Chris Lattner
89c83b159c add a version of array_pod_sort that takes a custom comparator function.
llvm-svn: 88861
2009-11-15 19:52:43 +00:00
Nick Lewycky
b73208f294 Add a complex missed optimization opportunity I came across while investigating
bug 5438.

llvm-svn: 88855
2009-11-15 17:51:23 +00:00
Edward O'Callaghan
c672c34d7a Add PSP OS Target to Triple, Credit to Bruno Cardoso Lopes.
llvm-svn: 88849
2009-11-15 10:18:17 +00:00
Daniel Dunbar
20a9eda5a2 lit: Factor a new OneCommandPerFileTest out of SyntaxCheckTest.
- Used for running a single fixed command on a directory of files, with the
   option of deriving a temporary input file from the test source.

llvm-svn: 88844
2009-11-15 08:10:29 +00:00
Nick Lewycky
f05946faff Revert r88830 and r88831 which appear to have caused a selfhost buildbot some
grief. I suspect this patch merely exposed a bug else.

llvm-svn: 88841
2009-11-15 07:47:32 +00:00
Daniel Dunbar
b077010494 Remove duplicate implementation of excludes functionality, and support excluding
dirnames.

Also, add support for the 'unsupported' config property.

llvm-svn: 88838
2009-11-15 07:22:58 +00:00
Nick Lewycky
62f00c17eb Correct typo.
llvm-svn: 88831
2009-11-15 06:16:57 +00:00
Nick Lewycky
14a2122db3 Teach instcombine to look for booleans in wider integers when it encounters a
zext(icmp). It may be able to optimize that away. This fixes one of the cases
in PR5438.

llvm-svn: 88830
2009-11-15 05:55:17 +00:00
Lang Hames
4d30650e61 Added an assert to the PBQP allocator to catch infinite cost solutions which might otherwise lead to miscompilations.
llvm-svn: 88829
2009-11-15 04:39:51 +00:00
Daniel Dunbar
a812eb66b3 lit: Add --repeat=N option, for running each test N times.
- Currently just useful for timing, although it could be extended as one (bad) way to deal with flaky tests.

llvm-svn: 88827
2009-11-15 01:02:09 +00:00
Daniel Dunbar
40aeab3d33 Remove bogus corei7 and atom entries, the family was incorrect.
llvm-svn: 88818
2009-11-14 22:04:42 +00:00
Jim Grosbach
6028068e88 remove xfail
llvm-svn: 88817
2009-11-14 21:57:35 +00:00
Daniel Dunbar
27b218d88f Fill out X86 table, although we are missing lots of names for things. We now
properly detect my Xeon box though.

llvm-svn: 88814
2009-11-14 21:36:19 +00:00
Daniel Dunbar
57f21a7c25 Report the detected host CPU in --version.
llvm-svn: 88813
2009-11-14 21:36:07 +00:00
Jim Grosbach
4882bbfe05 cleanup.
llvm-svn: 88812
2009-11-14 21:33:37 +00:00
Jim Grosbach
b81732e2f7 Do not merge jump tables this early. Branch folding will do any necessary
merges, and until then, it's useful to keep the tables separate for ease
of manipulation.

llvm-svn: 88806
2009-11-14 20:15:03 +00:00
Jim Grosbach
4175b4fbf2 Cleanup flow, and only update the jump table we're analyzing when replacing a destination MBB.
llvm-svn: 88805
2009-11-14 20:10:18 +00:00
Jim Grosbach
e4dfaf99cd Add function to replace a destination MBB in a single jump table
llvm-svn: 88804
2009-11-14 20:09:13 +00:00
Benjamin Kramer
879350e223 Remove dead variable found by clang++.
llvm-svn: 88803
2009-11-14 19:51:20 +00:00
Richard Osborne
8748f55236 Add XCore support for arbitrary-sized aggregate returns.
llvm-svn: 88802
2009-11-14 19:33:35 +00:00
Anton Korobeynikov
b290c6b8f7 Temporary disable the error - it seems to be too conservative.
llvm-svn: 88800
2009-11-14 18:01:41 +00:00
Benjamin Kramer
e9ba686ab8 Implement DISABLE_INLINE for MSVC. This required changing the position in all
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!

llvm-svn: 88798
2009-11-14 16:37:18 +00:00
Benjamin Kramer
df7c41116b This test doesn't work on arm either.
llvm-svn: 88794
2009-11-14 15:15:39 +00:00
Benjamin Kramer
521985553a Make NORETURN working with MSVC. MSVC only accepts NORETURN in front of the
decl so move it there. GCC accepts it both in front and after decls.

llvm-svn: 88791
2009-11-14 14:14:58 +00:00
Daniel Dunbar
59040c2825 Add llvm::sys::getHostCPUName, for detecting the LLVM name for the host CPU.
- This is an initial step towards -march=native support in Clang, and towards
   eliminating host dependencies in the targets. See PR5389.

 - Patch by Roman Divacky!

llvm-svn: 88768
2009-11-14 10:09:12 +00:00
Nick Lewycky
316e082216 Remove LLVMContext from reassociate. It was threaded through every function but
ultimately never used.

llvm-svn: 88763
2009-11-14 07:25:54 +00:00
Sanjiv Gupta
b38d6287b8 revert 88761 as it fails builds.
llvm-svn: 88762
2009-11-14 07:22:25 +00:00
Sanjiv Gupta
3db18af363 Fix debug info crashes for PIC16.
llvm-svn: 88761
2009-11-14 06:19:49 +00:00
Nick Lewycky
fba1efd298 Teach BasicAA that a constant expression can't alias memory provably not
allocated until runtime (such as an alloca). Patch by Hans Wennborg!

llvm-svn: 88760
2009-11-14 06:15:14 +00:00
Evan Cheng
b8c04e1226 Added getSubRegIndex(A,B) that returns subreg index of A to B. Use it to replace broken code in VirtRegRewriter.
llvm-svn: 88753
2009-11-14 03:42:17 +00:00
Evan Cheng
9b46e74f42 - Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo.
- If destination is a physical register and it has a subreg index, use the
  sub-register instead.
This fixes PR5423.

llvm-svn: 88745
2009-11-14 02:55:43 +00:00
Dan Gohman
406baaac43 Add an option for running GVN with redundant load processing disabled.
llvm-svn: 88742
2009-11-14 02:27:51 +00:00
Evan Cheng
3781b2e7b3 Add radar number.
llvm-svn: 88739
2009-11-14 02:11:32 +00:00
Evan Cheng
c56b0a0f14 Fix PR5412: Fix an inverted check and another missing sub-register check.
llvm-svn: 88738
2009-11-14 02:09:09 +00:00
Dan Gohman
b36274632d Enable the tail call optimization when the caller returns undef.
llvm-svn: 88737
2009-11-14 02:06:30 +00:00
Evan Cheng
e43198c166 When expanding t2STRDi8 r, r to two stores, add kill markers correctly.
llvm-svn: 88734
2009-11-14 01:50:00 +00:00
Jakob Stoklund Olesen
2ece9d4854 Fix bug in -split-phi-edges.
When splitting an edge after a machine basic block with fall-through, we
forgot to insert a jump instruction. Fix this by calling updateTerminator() on
the fall-through block when relevant.

Also be more precise in PHIElimination::isLiveIn.

llvm-svn: 88728
2009-11-14 00:38:13 +00:00
Jakob Stoklund Olesen
28f746c6fa Update MachineDominator information
llvm-svn: 88727
2009-11-14 00:38:06 +00:00
Lang Hames
8b2d2c7537 Added an API to the SlotIndexes pass to allow new instructions to be inserted into the numbering.
PreAllocSplitting is now using this API to insert code.

llvm-svn: 88725
2009-11-14 00:02:51 +00:00
Evan Cheng
e2907b91de Fix PR5411. Bug in UpdateKills. A reg def partially define its super-registers.
llvm-svn: 88719
2009-11-13 23:16:41 +00:00
Eric Christopher
9b6ef0d374 Remove extraneous commit.
llvm-svn: 88716
2009-11-13 23:08:47 +00:00
Eric Christopher
14bf8d4de6 Print out something, even if it's non-parseable later when we've
got ghost linkage. It's better than aborting.

llvm-svn: 88715
2009-11-13 23:00:14 +00:00
Dan Gohman
ae5b3a399e Move the FixedStackPseudoSourceValueVal enum value before InstructionVal
so that isa<Instructon> doesn't return true for FixedStackPseudoSourceValue
values. This fixes a variety of problems, including crashes with -debug
and -print-machineinstrs. Also, add a comment to warn about this.

llvm-svn: 88711
2009-11-13 22:24:13 +00:00