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Author SHA1 Message Date
Chris Lattner
93a3e74486 Fix a problem discovered on self host. 
llvm-svn: 86278
 2009-11-06 19:21:48 +00:00
Chris Lattner
17dc911808 remove more code subsumed by r86264 
llvm-svn: 86270
 2009-11-06 18:24:32 +00:00
Devang Patel
1a557eacb8 Tolerate invalid derived type. 
llvm-svn: 86269
 2009-11-06 18:24:05 +00:00
Chris Lattner
8b677402d3 eliminate some more code subsumed by r86264 
llvm-svn: 86267
 2009-11-06 18:22:54 +00:00
Chris Lattner
79534a05af remove now redundant code, r86264 handles this case. 
llvm-svn: 86266
 2009-11-06 18:20:58 +00:00
Chris Lattner
b688868418 Extend jump threading to support much more general threading 
predicates.  This allows us to jump thread things like:

_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit119:
  %tmp1.i24166 = phi i8 [ 1, %bb5.i117 ], [ %tmp1.i24165, %_Z....exit ], [ %tmp1.i24165, %bb4.i114 ] 
  %toBoolnot.i87 = icmp eq i8 %tmp1.i24166, 0     ; <i1> [#uses=1]
  %tmp4.i90 = icmp eq i32 %tmp2.i, 6              ; <i1> [#uses=1]
  %or.cond173 = and i1 %toBoolnot.i87, %tmp4.i90  ; <i1> [#uses=1]
  br i1 %or.cond173, label %bb4.i96, label %_ZN12...

Where it is "obvious" that when coming from %bb5.i117 that the 'and' is always 
false.  This triggers a surprisingly high number of times in the testsuite, 
and gets us closer to generating good code for doug's strswitch testcase.

This also make a bunch of other code in jump threading redundant, I'll rip
out in the next patch.  This survived an enable-checking llvm-gcc bootstrap.

llvm-svn: 86264
 2009-11-06 18:15:14 +00:00
Dan Gohman
aadf548295 Use WriteAsOperand to print GlobalAddress MachineOperands. This 
prints them with the leading '@'.

llvm-svn: 86261
 2009-11-06 18:03:10 +00:00
Devang Patel
0d1f6a9d0e Do not bother to emit debug info for nameless global variable. 
llvm-svn: 86259
 2009-11-06 17:58:12 +00:00
Daniel Dunbar
4daaf9d3f4 Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Chris Lattner
cfd2ade9d2 clang++ points out that this is pointless. 
llvm-svn: 86239
 2009-11-06 06:33:01 +00:00
Chris Lattner
6a31c1141c remove some more Context arguments. 
llvm-svn: 86235
 2009-11-06 05:59:53 +00:00
Chris Lattner
903ae55e1c remove a bunch of extraneous LLVMContext arguments 
from various APIs, addressing PR5325.

llvm-svn: 86231
 2009-11-06 04:27:31 +00:00
Daniel Dunbar
7120fca782 NewNighlytTest: Fix timestamp format to actually make sense (it was missing the hour). 
llvm-svn: 86229
 2009-11-06 04:12:13 +00:00
Daniel Dunbar
f575d48158 NewNightlyTest: Add -noclean option, which doesn't run 'make clean' before building LLVM (for testing). 
Also, switch to always running 'make clean' in the test-suite directories.

llvm-svn: 86228
 2009-11-06 04:12:07 +00:00
Daniel Dunbar
1680b4426a NewNightlyTest: Unbreak passing the build directory via a positional argument. 
llvm-svn: 86227
 2009-11-06 04:12:02 +00:00
Daniel Dunbar
1a83579e17 NewNightlyTest: Add -llvmgccdir as alternative to environment variable. 
llvm-svn: 86226
 2009-11-06 04:11:29 +00:00
Victor Hernandez
a5a12cd62e Revert r86077 because it caused crashes in 179.art and 175.vpr on ARM 
llvm-svn: 86213
 2009-11-06 01:33:24 +00:00
Devang Patel
5035033346 Do not try to emit debug info entry for dead global variable. 
llvm-svn: 86212
 2009-11-06 01:30:04 +00:00
Dan Gohman
35331c1dcd Don't print a redundant tab for inline asm, and do use the new printKill. 
llvm-svn: 86206
 2009-11-06 00:19:43 +00:00
Douglas Gregor
790089c6e6 Add a bunch of missing "template" keywords to disambiguate dependent template names. GCC eats this ill-formed code, Clang does not. I already filed PR5404 to improve recovery in this case 
llvm-svn: 86204
 2009-11-06 00:12:53 +00:00
Eric Christopher
593cfc9984 Fix PR5315, original patch by Nicolas Capens! 
llvm-svn: 86203
 2009-11-06 00:11:57 +00:00
Dan Gohman
ada358e6a2 Factor out the printing of the leading tab into printInlineAsm. 
llvm-svn: 86199
 2009-11-06 00:04:54 +00:00
Dan Gohman
d05bb8fccb Make printImplicitDef and printKill non-virtual, since they don't 
need to be overridden.

llvm-svn: 86198
 2009-11-06 00:04:05 +00:00
Dan Gohman
1a8616a0d7 Use SUBREG_TO_REG instead of INSERT_SUBREG to model x86-64's 
implicit zero-extend.

llvm-svn: 86196
 2009-11-05 23:53:08 +00:00
Dan Gohman
54aa68b309 Teach LSR to avoid calling SplitCriticalEdge on edges with indirectbr. 
llvm-svn: 86193
 2009-11-05 23:34:59 +00:00
Dan Gohman
229f9edf7a Update these tests for the new label names. 
llvm-svn: 86192
 2009-11-05 23:31:40 +00:00
Dan Gohman
d159b46665 Fix the label name generation for address-taken labels to avoid potential 
problems with name collisions.

llvm-svn: 86189
 2009-11-05 23:14:35 +00:00
Douglas Gregor
cc2c05cb75 Make a few more LLVM headers parsable as standalone headers. 
Fix some problems with the hidden copy constructors for
ImmutableMap/ImmutableSet found by Clang++.

llvm-svn: 86186
 2009-11-05 23:01:30 +00:00
Douglas Gregor
1dc69ca319 Teach lit's SyntaxCheckTest two new tricks: 
- skip .svn directories
  - add a set of excluded filenames so we can easily skip tests

llvm-svn: 86185
 2009-11-05 22:58:04 +00:00
Lang Hames
3af601069a Added support for renumbering existing index list elements. Removed some junk from the initial numbering code in runOnMachineFunction. 
llvm-svn: 86184
 2009-11-05 22:20:57 +00:00
Dan Gohman
e93b2dbc0f Avoid calling getUniqueExitBlocks from within LoopSimplify, as it depends 
on loops having dedicated exits, which LoopSimplify can no longer always
guarantee.

llvm-svn: 86181
 2009-11-05 21:48:32 +00:00
Dan Gohman
6a3eefbfeb LoopDeletion depends on loops having dedicated exits. 
llvm-svn: 86180
 2009-11-05 21:47:04 +00:00
Dan Gohman
f65735f0c5 The introduction of indirectbr meant the introduction of 
unsplittable critical edges, which means the introduction of
loops which cannot be transformed to LoopSimplify form. Fix
LoopSimplify to avoid transforming such loops into invalid
code.

llvm-svn: 86176
 2009-11-05 21:14:46 +00:00
Dan Gohman
3c155aa3cd Update various Loop optimization passes to cope with the possibility that 
LoopSimplify form may not be available.

llvm-svn: 86175
 2009-11-05 21:11:53 +00:00
David Goodwin
8a18560a67 Fix bug in aggressive antidep breaking; liveness was not updated correctly for regions that do not have antidep candidates. 
llvm-svn: 86172
 2009-11-05 21:06:09 +00:00
Dan Gohman
cf44615b89 Teach LoopUnroll how to bail if LoopSimplify can't give it what it needs. 
llvm-svn: 86164
 2009-11-05 19:44:06 +00:00
Dan Gohman
0c3b2f8419 Call getAnalysis<LoopInfo> the normal way, instead of asking passed-in 
LoopPassManager for it.

llvm-svn: 86163
 2009-11-05 19:43:25 +00:00
Dan Gohman
8d72615df7 InstrTypes.h includes Instruction.h, so it's not necessary to include both. 
llvm-svn: 86162
 2009-11-05 19:42:20 +00:00
Dan Gohman
770613e3be Fix IVUsers to avoid assuming that the loop has a unique backedge. 
llvm-svn: 86161
 2009-11-05 19:41:37 +00:00
Dan Gohman
a25cd27300 Delete an unused member variable. 
llvm-svn: 86160
 2009-11-05 19:33:15 +00:00
Dan Gohman
6f6862e558 Factor out the predicate code for loopsimplify form exit blocks into 
a separate helper function.

llvm-svn: 86159
 2009-11-05 19:21:41 +00:00
Oscar Fuentes
a0309933c6 CMake: Detect dotty. 
Patch by Arnaud Allard de Grandmaison!

llvm-svn: 86153
 2009-11-05 19:03:26 +00:00
Oscar Fuentes
5866071c1e CMake: do not test for pthread and dl libraries on Windows (except 
Cygwin). Fixes PR 5368.

llvm-svn: 86152
 2009-11-05 18:57:56 +00:00
Dan Gohman
e564d875c8 Avoid printing a redundant space in SDNode->dump(). 
llvm-svn: 86151
 2009-11-05 18:49:11 +00:00
Dan Gohman
eec0f1c506 Remove uninteresting and confusing debug output. 
llvm-svn: 86149
 2009-11-05 18:47:09 +00:00
Douglas Gregor
2272ca3d44 Move llvm:🆑:opt's conversion function into the base classes that 
actually need that conversion function. Silences a Clang++ warning.

llvm-svn: 86148
 2009-11-05 18:30:50 +00:00
Dan Gohman
7e9c38c364 Add an assertion to catch indirectbr in SplitBlockPredecessors. This 
makes several optimization passes abort in cases where they're currently
silently miscompiling code.

Remove the indirectbr assertion from SplitEdge. Indirectbr is only
a problem for critical edges, and SplitEdge defers to SplitCriticalEdge
to handle those, and SplitCriticalEdge has its own assertion for
indirectbr.

llvm-svn: 86147
 2009-11-05 18:25:44 +00:00
Chris Lattner
7f61fbfcca add a note from PR5313 
llvm-svn: 86146
 2009-11-05 18:19:19 +00:00
Chris Lattner
d04294d7b8 Declare classes with matched tags, pointed out by a clang++ warning. 
llvm-svn: 86144
 2009-11-05 17:51:44 +00:00
Benjamin Kramer
a38019a3de Teach SimplifyLibCalls to fold memcmp calls with constant arguments. 
llvm-svn: 86141
 2009-11-05 17:44:22 +00:00