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Author SHA1 Message Date
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
Duncan Sands
0d5fa5f018 Mark more constants unsigned, as warned about by icc (#68). 
Patch by Erick Tryzelaar.

llvm-svn: 81116
 2009-09-06 12:56:52 +00:00
Duncan Sands
598fe699d0 Remove some not-really-used variables, as warned 
about by icc (#593, partial).  Patch by Erick Tryzelaar.

llvm-svn: 81115
 2009-09-06 12:41:19 +00:00
Benjamin Kramer
f41c1c09fa More MSVC warning fixes: 
1. DUPMAX is defined in regcomp.c, no need to redefine it in regutils.
2. MSVC doesn't like snprintf, use _snprintf instead.

llvm-svn: 81114
 2009-09-06 12:26:28 +00:00
Duncan Sands
ab1e3dc9e2 Remove strange 'const' qualifiers, as warned about by icc 
(#411).  Patch by Erick Tryzelaar.

llvm-svn: 81113
 2009-09-06 12:16:26 +00:00
Benjamin Kramer
7155f79983 It's a bool, so treat it like one. Fixes a MSVC warning. 
llvm-svn: 81112
 2009-09-06 12:10:17 +00:00
Duncan Sands
8c36c0f009 Mark constants as unsigned, as pointed out by icc 
warnings (#174).  Patch by Erick Tryzelaar.

llvm-svn: 81111
 2009-09-06 11:45:14 +00:00
Duncan Sands
4b92376ba8 Tweak code into an equivalent form for which icc 
doesn't warn about unreachable instructions.  Patch
by Erick Tryzelaar (#111).

llvm-svn: 81110
 2009-09-06 10:53:22 +00:00
Benjamin Kramer
38666b8c1c Fix an integer truncation noticed by MSVC. 
llvm-svn: 81109
 2009-09-06 09:35:10 +00:00
Benjamin Kramer
ff8022c220 Remove splint hints to silence warnings from ICC and MSVC. 
llvm-svn: 81108
 2009-09-06 09:29:39 +00:00
Duncan Sands
750b1f5de2 Public and private corrections, warned about by icc (#304). 
Patch by Erick Tryzelaar.

llvm-svn: 81107
 2009-09-06 08:55:57 +00:00
Duncan Sands
10c1356bad Remove some unused variables and methods warned about by 
icc (#177, partial).  Patch by Erick Tryzelaar.

llvm-svn: 81106
 2009-09-06 08:33:48 +00:00
Duncan Sands
f4d7fcb5a0 Remove unneeded declaration, as warned about by 
icc (#1170).  Patch by Erick Tryzelaar.

llvm-svn: 81104
 2009-09-06 07:23:28 +00:00
Daniel Dunbar
4d822b9da3 Fix a possible crash call setIsInBounds. 
- I think there are more instances of this, but I think they are fixed in Dan's
   incoming patch. This one was preventing me from doing a bugpoint reduction
   though.

llvm-svn: 81103
 2009-09-06 02:31:36 +00:00
Daniel Dunbar
7ef30987f7 Simplify, now that gtest supports raw_ostream directly. 
llvm-svn: 81102
 2009-09-06 02:31:26 +00:00
Evan Cheng
a191202da5 Revert r80926. It causes loop unswitch assertion and slow down some JIT tests significantly. 
llvm-svn: 81101
 2009-09-06 02:26:10 +00:00