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Author SHA1 Message Date
Nick Lewycky
9cbe7a0090 Hoist out the test+insert to CheckedTypes. This doesn't seem to affect 
performance.

llvm-svn: 81193
 2009-09-08 05:46:15 +00:00
Daniel Dunbar
e82e000211 Fix a refactoro. 
llvm-svn: 81192
 2009-09-08 05:37:51 +00:00
Daniel Dunbar
1d03c5c8a7 Add 'lit' support for llvm tests. 
- This adds 'make check-lit' from the top-level Makefile.

llvm-svn: 81191
 2009-09-08 05:31:44 +00:00
Daniel Dunbar
640436d7af Add 'lit' testing tool. 
- make install && man $(llvm-config --prefix)/share/man/man1/lit.1 for more
   information.

llvm-svn: 81190
 2009-09-08 05:31:18 +00:00
Chris Lattner
a0271f52a5 llvm::cerr is gone. 
llvm-svn: 81189
 2009-09-08 05:15:50 +00:00
Chris Lattner
c6552ef06f update this to use raw_ostream 
llvm-svn: 81188
 2009-09-08 05:14:44 +00:00
Chris Lattner
2e9f3b2865 fix PR4767, a crash because fp stackifier visited blocks in 
depth first order, so it wouldn't process unreachable blocks.
When compiling at -O0, late dead block elimination isn't done
and the bad instructions got to isel.

llvm-svn: 81187
 2009-09-08 04:55:44 +00:00
Chris Lattner
24df64e520 remove a turd 
llvm-svn: 81186
 2009-09-08 03:47:41 +00:00
Chris Lattner
12d0bc749f instcombine transforms vector loads that are only used by 
extractelement operations into a bitcast of the pointer,
then a gep, then a scalar load.  Disable this when the vector
only has one element, because it leads to infinite loops in
instcombine (PR4908).

This transformation seems like a really bad idea to me, as it
will likely disable CSE of vector load/stores etc and can be
better done in the code generator when profitable.  This
goes all the way back to the first days of packed types,
r25299 specifically.

I'll let those people who care about the performance of vector
code decide what to do with this.

llvm-svn: 81185
 2009-09-08 03:44:51 +00:00
Chris Lattner
b3778be4fa fix pasto 
llvm-svn: 81184
 2009-09-08 03:39:55 +00:00
Chris Lattner
042b1f3367 add getVectorOperand/getIndexOperand accessors to ExtractElementInst. 
Fix some const correctness problems in SelectInst.

llvm-svn: 81183
 2009-09-08 03:32:53 +00:00
Nick Lewycky
8d3fc4bfab Simplify from my last change. Assert1 is a macro that makes its caller return, 
so "Assert1(isa<>); cast<>" is a valid idiom.

Actually check the PHI node's odd-numbered operands for BasicBlock-ness, like
the comment said.

llvm-svn: 81182
 2009-09-08 02:02:39 +00:00
Dan Gohman
8f7b263087 Fix an abort on a store of an empty struct member. getValue returns 
null in the case of an empty struct, so don't try to call getNumValues
on it.

llvm-svn: 81180
 2009-09-08 01:44:02 +00:00
Nick Lewycky
5536fa68c5 Verify types. Invalid types can be constructed when assertions are off. 
Make the verifier more robust by avoiding unprotected cast<> calls. Notably,
Assert1(isa<>); cast<> is not safe as Assert1 does not terminate the program.

llvm-svn: 81179
 2009-09-08 01:23:52 +00:00
Chris Lattner
fb09f6e5ea fix PR4915, a crash in -debug mode. 
llvm-svn: 81177
 2009-09-08 01:22:54 +00:00
Chris Lattner
ee1d1d3173 Fix PR4882, by making MemCpyOpt not dereference removed stores to get the 
context for the newly created operations.
 
Patch by Jakub Staszak!

llvm-svn: 81175
 2009-09-08 00:27:14 +00:00
Chris Lattner
37dbbde91b fix ComputeMaskedBits handling of zext/sext/trunc to work with vectors. 
This fixes PR4905

llvm-svn: 81174
 2009-09-08 00:13:52 +00:00
Chris Lattner
1247f36e13 add some comments to describe the invariants. 
llvm-svn: 81173
 2009-09-08 00:06:16 +00:00
Dan Gohman
1147a7ba87 Reappy r80998, now that the GlobalOpt bug that it exposed on MiniSAT is fixed. 
llvm-svn: 81172
 2009-09-07 23:54:19 +00:00
Dan Gohman
572ecc26b6 Fix a thinko: When lowering fneg with xor, bitcast the operands 
from floating-point to integer first, and bitcast the result
back to floating-point. Previously, this test was passing by
falling back to SelectionDAG lowering. The resulting code isn't
as nice, but it's correct and CodeGen now stays on the fast path.

llvm-svn: 81171
 2009-09-07 23:47:14 +00:00
Chris Lattner
b467389331 add some more notes. 
llvm-svn: 81170
 2009-09-07 23:33:52 +00:00
Dan Gohman
3120dffcd8 Add a testcase for the GlobalOpt inbounds fix. 
llvm-svn: 81168
 2009-09-07 23:04:59 +00:00
Chris Lattner
01f8bf80ac describe undef semantics in some more detail. 
llvm-svn: 81167
 2009-09-07 22:52:39 +00:00
Dan Gohman
624543cedb Add inbounds to these getelementptrs, now that GlobalOpt requires this, 
to preserve the meaning of these tests.

llvm-svn: 81166
 2009-09-07 22:45:41 +00:00
Dan Gohman
34f89141ae Don't commit stores with addresses that have indices that are not 
compile-time constant integers or that are out of bounds for their
corresponding static array types. These can cause aliasing that
GlobalOpt assumes won't happen.

llvm-svn: 81165
 2009-09-07 22:44:55 +00:00
Dan Gohman
b8c9d1974c Don't commit addresses of aggregate values. This avoids problems with 
an aggregate store overlapping a different aggregate store, despite
the stores having distinct addresses.

llvm-svn: 81164
 2009-09-07 22:42:05 +00:00
Dan Gohman
f1dd8d2a5b Fix GlobalOpt to avoid committing a store if the address getelementptr 
is missing the inbounds flag. This is slightly conservative, but it
avoids problems with two constants pointing to the same address but
getting distinct entries in the Memory DenseMap.

llvm-svn: 81163
 2009-09-07 22:40:13 +00:00
Dan Gohman
e44305a42b Preserve the InBounds flag when evaluating a getelementptr instruction 
into a getelementptr ConstantExpr.

llvm-svn: 81162
 2009-09-07 22:34:43 +00:00
Dan Gohman
9268f469f5 Simplify this code by using hasDefinitiveInitializer(). 
llvm-svn: 81161
 2009-09-07 22:31:26 +00:00
Chris Lattner
dfb4699ba8 tighten test. 
llvm-svn: 81159
 2009-09-07 22:15:23 +00:00
Chris Lattner
0ebc0d1c4a tweak test, add PR# 
llvm-svn: 81158
 2009-09-07 22:14:41 +00:00
Nick Lewycky
1528b90211 Express this in the canonical way. 
llvm-svn: 81157
 2009-09-07 21:50:24 +00:00
Nick Lewycky
1bde81d01d Homogenize whitespace. 
llvm-svn: 81156
 2009-09-07 20:44:51 +00:00
Daniel Dunbar
c44dc7f8fb Use -output-prefix in bugpoint tests so that outputs go in temp directory (and 
we don't race on them).

llvm-svn: 81155
 2009-09-07 19:26:18 +00:00
Daniel Dunbar
072b03693f Add -output-prefix option to bugpoint (to change the default output name). 
llvm-svn: 81154
 2009-09-07 19:26:11 +00:00
Daniel Dunbar
b220fd9c58 Don't depend on Tcl behavior of redirecting stderr for all commands in a 
pipeline.

llvm-svn: 81153
 2009-09-07 19:26:02 +00:00
Daniel Dunbar
8721525d8d Avoid Tcl substitution, introduced %llvmgcc_only for this one little test 
(%llvmgcc includes a '-w' argument, and this test looks for warnings).

llvm-svn: 81152
 2009-09-07 19:25:54 +00:00
Duncan Sands
5c77da0572 Using a signal handler that does nothing should be 
equivalent to SIG_IGN.

llvm-svn: 81144
 2009-09-07 05:58:25 +00:00
Daniel Dunbar
603f919e21 Update unittests for MDNode uniquing disable. 
llvm-svn: 81142
 2009-09-07 04:19:02 +00:00
Daniel Dunbar
b258ff7cee Disable MDNode uniquing. 
- Hopefully this unbreaks some llvm-gcc bootstraps.

llvm-svn: 81141
 2009-09-07 04:05:49 +00:00
Daniel Dunbar
076b234d1e Document opt -S argument. 
llvm-svn: 81140
 2009-09-07 04:03:44 +00:00
Eric Christopher
6acdc39b86 Fix comment. 
llvm-svn: 81138
 2009-09-06 22:20:54 +00:00
Anton Korobeynikov
6c6f65f3c1 Do not create calls via PLT in compilation callback - this is higly platform 
dependent. Hopefully, this will fix PR3801.

llvm-svn: 81132
 2009-09-06 20:21:48 +00:00
Duncan Sands
357614a0ca Do not try to override non-virtual methods, especially 
when the new method gives the same result as the original
(as far as I can see).  This will hopefully pacify icc.

llvm-svn: 81131
 2009-09-06 20:02:00 +00:00
Duncan Sands
6efbe6150b Remove a left over bit of code with no effect. 
llvm-svn: 81128
 2009-09-06 19:29:07 +00:00
Duncan Sands
9041cda7c7 Avoid warnings if assertions are off. 
llvm-svn: 81127
 2009-09-06 19:28:38 +00:00
Duncan Sands
265ebcdcfc Remove unreachable code. 
llvm-svn: 81126
 2009-09-06 19:27:53 +00:00
Duncan Sands
942d35c184 Simplify. Testing shows that this is not equivalent to BBI = CR.CaseBB + 1. 
llvm-svn: 81124
 2009-09-06 18:03:32 +00:00
Duncan Sands
39ca207077 Avoid an unused variable warning when assertions are 
disabled.

llvm-svn: 81122
 2009-09-06 16:27:34 +00:00
Duncan Sands
9987d81255 Change "const static" to "static const", as warned about 
by icc (#82).  Patch by Erick Tryzelaar.

llvm-svn: 81117
 2009-09-06 13:10:36 +00:00