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Author SHA1 Message Date
Dan Gohman
38ad0191e9 Change the argument type in this test to something less convoluted, 
since it isn't actually used. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64883 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 04:25:04 +00:00
Evan Cheng
caa0c2cadd GV with null value initializer shouldn't go to BSS if it's meant for a mergeable strings section. Currently it only checks for Darwin. Someone else please check if it should apply to other targets as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64877 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 02:19:52 +00:00
Chris Lattner
ccd846b73f allow TimeRegion to take a potentially-null pointer to a 
timer for clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64874 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 01:48:17 +00:00
Dan Gohman
d2067fd730 Fix a corner case in the new indvars promotion logic: if there 
are multiple IV's in a loop, some of them may under go signed
or unsigned wrapping even if the IV that's used in the loop
exit condition doesn't. Restrict sign-extension-elimination
and zero-extension-elimination to only those that operate on
the original loop-controlling IV.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 00:52:00 +00:00
Dan Gohman
f284ce203b Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-18 00:08:39 +00:00
Duncan Sands
cdf5ffb7fb If an alias is dead and so is its aliasee, then globaldce would 
crash because the alias would still be using the aliasee when the
aliasee was deleted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64844 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 23:05:26 +00:00
Devang Patel
0d90e5d08b And now, not so elegant, test case... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 22:48:18 +00:00
Devang Patel
38ed388fb3 Remove changes that were accidently included in previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 22:45:18 +00:00
Devang Patel
13319ceffd The debugger sometimes lookup dynamically in the runtime to find ivar info of any Objective-C classes. It would be very helpful to debugger if the compiler encodes runtime version number in DWARF. 
Add support for two additional DWARF attributes to encode Objective-C runtime version number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64834 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 22:43:44 +00:00
Scott Michel
fdc40a0a69 Remove trailing whitespace to reduce later commit patch noise. 
(Note: Eventually, commits like this will be handled via a pre-commit hook that
 does this automagically, as well as expand tabs to spaces and look for 80-col
 violations.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64827 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 22:15:04 +00:00
Devang Patel
36375ee7a5 Emit debug info for bitfields. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64815 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 21:23:59 +00:00
Rafael Espindola
f163a95705 tools like nm and ar only need register_claim_file and add_symbols. Don't abort 
if other hooks are missing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64812 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 21:08:21 +00:00
Dan Gohman
97b6e2cc99 LoopIndexSplit doesn't actually use ScalarEvolution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 20:50:11 +00:00
Dan Gohman
60f8a63e25 Add a method to ScalarEvolution for telling it when a loop has been 
modified in a way that may effect the trip count calculation. Change
IndVars to use this method when it rewrites pointer or floating-point
induction variables instead of using a doInitialization method to
sneak these changes in before ScalarEvolution has a chance to see
the loop. This eliminates the need for LoopPass to depend on
ScalarEvolution.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64810 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 20:49:49 +00:00
Chris Lattner
a84f47c3e7 commit a tweaked version of Daniel's patch for PR3599. We now 
eliminate all the extensions and all but the one required truncate
from the testcase, but the or/and/shift stuff still isn't zapped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64809 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 20:47:23 +00:00
Dan Gohman
189c6357a1 Move dumpPassStructure out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64796 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 19:41:26 +00:00
Dan Gohman
244cc2c6c0 Tidy whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 19:34:54 +00:00
Dan Gohman
cafb81337b Delete trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64784 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 19:13:57 +00:00
Duncan Sands
7ae5b9e1eb This transform also applies to private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64773 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 17:50:04 +00:00
Dan Gohman
a575871884 Fix 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64766 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 15:57:39 +00:00
Evan Cheng
bf18939180 A couple of places where reused use operands should be marked kill. This is exposed by recent availability fallthrough changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 06:41:03 +00:00
Chris Lattner
a66878b881 add a horrible note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64719 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 01:16:14 +00:00
Bill Wendling
86e6cb924b --- Merging (from foreign repository) r64714 into '.': 
U    include/llvm/CodeGen/DebugLoc.h
U    lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp

Enable debug location generation at -Os. This goes with the reapplication of the
r63639 patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64715 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 01:04:54 +00:00
Devang Patel
1236df4aaa Testcase for rev. 64704 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64705 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 00:15:08 +00:00
Evan Cheng
5a6c1a840a Strengthen the "non-constant stride must dominate loop preheader" check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 00:13:06 +00:00
Dan Gohman
1a5e936c53 Simplify; fix some 80-column violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 00:10:53 +00:00
Dan Gohman
9fbb52db98 Delete trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64694 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 23:14:14 +00:00
Dan Gohman
ecd0fb51cb Fix EnforceKnownAlignment so that it doesn't ever reduce the alignment 
of an alloca or global variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64693 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 23:02:21 +00:00
Daniel Dunbar
e2a8dfefe5 Add llvm::RoundUpToAlignment. 
- No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64691 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 22:57:04 +00:00
Ted Kremenek
3c172a2959 Fix bug where APSInt::operator-- incremented instead of decremented. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 22:39:08 +00:00
Devang Patel
50369517b7 Test case for llvm-gcc rev. 64648. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64649 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 19:24:29 +00:00
Nick Lewycky
586a7c4a37 Fix typo caused by too much surfing, dudes... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64626 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 04:26:53 +00:00
Dan Gohman
ebcd4af387 Delete this long-commented-out code. The situation it seems to have 
been written for is no longer relevant with the elimination of
signed and unsigned types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64625 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 02:57:42 +00:00
Dan Gohman
74786c0f43 Rename IndVarsSimplify to IndVarSimplify, to be consistent with 
the name used in the code that these tests are for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64624 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 00:56:15 +00:00
Dan Gohman
926b0a27b9 Change these tests to use regular loads instead of llvm.x86.sse2.loadu.dq. 
Enhance instcombine to use the preferred field of
GetOrEnforceKnownAlignment in more cases, so that regular IR operations are
optimized in the same way that the intrinsics currently are.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64623 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-16 00:44:23 +00:00
Dan Gohman
97d116346c Don't assume that a left-shift of a value with one bit set will have 
one bit set, because the bit may be shifted off the end. Instead,
just check for a constant 1 being shifted. This is still sufficient
to handle all the cases in test/CodeGen/X86/bt.ll. This fixes PR3583.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64622 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 23:59:32 +00:00
Dan Gohman
35188eb54d MachineLICM now handles these cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 23:24:52 +00:00
Nick Lewycky
b6a7d2565b Demonstrate the act of including multiple space-separated parameter attributes, 
by request on IRC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64619 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 23:06:14 +00:00
Nick Lewycky
45eb7865c9 Shoot! Remove this debugging line again! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64617 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 22:50:17 +00:00
Nick Lewycky
e0afaa301d Don't discard definitions of common symbols. Not sure if this is the right fix. 
Before this change, the program:
  int var;
  int main(void) { return 0; }
when run under 'nm -g' would show 'U var' with the gold plugin and
'B var' with gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64616 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 22:49:17 +00:00
Nick Lewycky
225f747486 Update the list of function annotations for nocapture. All of these came up 
when I was looking at functions used by python.

Highlights include, better largefile support (64-bit file sizes on 32-bit
systems), fputs string is nocapture, popen/pclose added (popen being noalias
return), modf and frexp and friends. Also added some missing 'break' statements
and combined identical sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64615 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 22:47:25 +00:00
Nicolas Geoffray
42cc8f140a On 64bit we may have a personality function which requires 64 bits to 
be encoded.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64600 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 20:49:23 +00:00
Duncan Sands
a37d119f63 Make this more useful for cleaning up after the 
one-definition-rule llvm-gcc changes (coming soon
to a tree near you!).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64588 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 11:54:49 +00:00
Mikhail Glushenkov
7987e1a2c1 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 11:32:31 +00:00
Duncan Sands
4782b305c2 If the target of an alias has internal linkage, then the 
alias can be morphed into the target.  Implement this
transform, and fix a crash in the existing transform at
the same time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64583 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 09:56:08 +00:00
Evan Cheng
b599979ab5 Fix PR3522. It's not safe to sink into landing pad BB's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 08:36:12 +00:00
Evan Cheng
8f40afe62d Fix pr3571: If stride is a value defined by an instruction, make sure it dominates the loop preheader. When IV users are strength reduced, the stride is inserted into the preheader. It could create a use before def situation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64579 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 06:06:15 +00:00
Evan Cheng
f8546f10c2 ifdef out unneeded if statement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 03:20:37 +00:00
Mikhail Glushenkov
8eada627d5 Fix warning on gcc 4.3. 
"system() declared with attribute warn_unused_result."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64574 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 03:20:32 +00:00
Mikhail Glushenkov
b8863a16ad Whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-15 03:20:03 +00:00