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Author SHA1 Message Date
Nick Lewycky
49072473ba 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81179 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 01:23:52 +00:00
Chris Lattner
45336a6f22 fix PR4915, a crash in -debug mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81177 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 01:22:54 +00:00
Chris Lattner
ff1e98c72a Fix PR4882, by making MemCpyOpt not dereference removed stores to get the 
context for the newly created operations.
 
Patch by Jakub Staszak!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 00:27:14 +00:00
Chris Lattner
b9a4ddbbcd fix ComputeMaskedBits handling of zext/sext/trunc to work with vectors. 
This fixes PR4905


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 00:13:52 +00:00
Chris Lattner
cf5128ec01 add some comments to describe the invariants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 00:06:16 +00:00
Dan Gohman
f8dbee7cea Reappy r80998, now that the GlobalOpt bug that it exposed on MiniSAT is fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81172 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 23:54:19 +00:00
Dan Gohman
fd06aa7c07 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81171 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 23:47:14 +00:00
Chris Lattner
6e9057b0ef add some more notes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81170 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 23:33:52 +00:00
Dan Gohman
2a6f57763f Add a testcase for the GlobalOpt inbounds fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81168 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 23:04:59 +00:00
Chris Lattner
48a109c36c describe undef semantics in some more detail. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:52:39 +00:00
Dan Gohman
ef17e24aee Add inbounds to these getelementptrs, now that GlobalOpt requires this, 
to preserve the meaning of these tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81166 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:45:41 +00:00
Dan Gohman
80bdc967e9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:44:55 +00:00
Dan Gohman
ce5de5b527 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81164 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:42:05 +00:00
Dan Gohman
c62482d4ed 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81163 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:40:13 +00:00
Dan Gohman
4a7e6b7a15 Preserve the InBounds flag when evaluating a getelementptr instruction 
into a getelementptr ConstantExpr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81162 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:34:43 +00:00
Dan Gohman
fd54a898be Simplify this code by using hasDefinitiveInitializer(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81161 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:31:26 +00:00
Chris Lattner
b73e4aec2e tighten test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:15:23 +00:00
Chris Lattner
150be808e1 tweak test, add PR# 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 22:14:41 +00:00
Nick Lewycky
a9b7738d13 Express this in the canonical way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81157 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 21:50:24 +00:00
Nick Lewycky
29ef6599ee Homogenize whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81156 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 20:44:51 +00:00
Daniel Dunbar
e0ae2b2503 Use -output-prefix in bugpoint tests so that outputs go in temp directory (and 
we don't race on them).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81155 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 19:26:18 +00:00
Daniel Dunbar
68ccdaa849 Add -output-prefix option to bugpoint (to change the default output name). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81154 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 19:26:11 +00:00
Daniel Dunbar
59e8efdd59 Don't depend on Tcl behavior of redirecting stderr for all commands in a 
pipeline.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81153 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 19:26:02 +00:00
Daniel Dunbar
b25f32bab8 Avoid Tcl substitution, introduced %llvmgcc_only for this one little test 
(%llvmgcc includes a '-w' argument, and this test looks for warnings).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81152 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 19:25:54 +00:00
Duncan Sands
3429c5e153 Using a signal handler that does nothing should be 
equivalent to SIG_IGN.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81144 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 05:58:25 +00:00
Daniel Dunbar
7b26b581cf Update unittests for MDNode uniquing disable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 04:19:02 +00:00
Daniel Dunbar
d34b0b1cda Disable MDNode uniquing. 
- Hopefully this unbreaks some llvm-gcc bootstraps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 04:05:49 +00:00
Daniel Dunbar
53a99f9cda Document opt -S argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81140 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-07 04:03:44 +00:00
Eric Christopher
f61f89ae14 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 22:20:54 +00:00
Anton Korobeynikov
6c4025773a Do not create calls via PLT in compilation callback - this is higly platform 
dependent. Hopefully, this will fix PR3801.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81132 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 20:21:48 +00:00
Duncan Sands
f7f4ba6c1f 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81131 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 20:02:00 +00:00
Duncan Sands
da9ad384af Remove a left over bit of code with no effect. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81128 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 19:29:07 +00:00
Duncan Sands
0268790ba4 Avoid warnings if assertions are off. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 19:28:38 +00:00
Duncan Sands
33ef807145 Remove unreachable code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 19:27:53 +00:00
Duncan Sands
5149852975 Simplify. Testing shows that this is not equivalent to BBI = CR.CaseBB + 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81124 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 18:03:32 +00:00
Duncan Sands
875f4ae789 Avoid an unused variable warning when assertions are 
disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81122 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 16:27:34 +00:00
Duncan Sands
05866f7963 Change "const static" to "static const", as warned about 
by icc (#82).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81117 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 13:10:36 +00:00
Duncan Sands
18f13c66bf Mark more constants unsigned, as warned about by icc (#68). 
Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81116 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 12:56:52 +00:00
Duncan Sands
c2d98bc0d6 Remove some not-really-used variables, as warned 
about by icc (#593, partial).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81115 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 12:41:19 +00:00
Benjamin Kramer
8b3594afdb 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81114 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 12:26:28 +00:00
Duncan Sands
613c581b81 Remove strange 'const' qualifiers, as warned about by icc 
(#411).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 12:16:26 +00:00
Benjamin Kramer
be441c0f34 It's a bool, so treat it like one. Fixes a MSVC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81112 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 12:10:17 +00:00
Duncan Sands
8ecbe8d974 Mark constants as unsigned, as pointed out by icc 
warnings (#174).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 11:45:14 +00:00
Duncan Sands
740eb5323e Tweak code into an equivalent form for which icc 
doesn't warn about unreachable instructions.  Patch
by Erick Tryzelaar (#111).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81110 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 10:53:22 +00:00
Benjamin Kramer
12fd767ed8 Fix an integer truncation noticed by MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81109 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 09:35:10 +00:00
Benjamin Kramer
5b7c3567a1 Remove splint hints to silence warnings from ICC and MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 09:29:39 +00:00
Duncan Sands
59bf4fcc06 Public and private corrections, warned about by icc (#304). 
Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81107 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 08:55:57 +00:00
Duncan Sands
b7c5bdf843 Remove some unused variables and methods warned about by 
icc (#177, partial).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81106 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 08:33:48 +00:00
Duncan Sands
34d0194583 Remove unneeded declaration, as warned about by 
icc (#1170).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81104 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 07:23:28 +00:00
Daniel Dunbar
f94880b479 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81103 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-06 02:31:36 +00:00