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Author SHA1 Message Date
Sanjiv Gupta
b84d5a476a Params are not being generated as static globals now. The caller passes them onto the callee's stack directly and the callee loads the argvals from its own stack. Clang generated frameindexes validatd by recalculating the stack as if all frameindexes represent 1-byte slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68327 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-02 17:42:00 +00:00
Chris Lattner
d0dfbe096d fix overflow checks in SmallVector: 
"The code was doing "if (End+NumInputs > Capacity) ...". If End is
close to 0xFFFFFFFF and NumInputs is large, it'll overflow, the
condition will come out false, and the vector won't grow to
accommodate the new elements, and the program will crash in memmove."

Patch by Jeffrey Yasskin!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68277 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-02 03:06:26 +00:00
Mikhail Glushenkov
7074875642 Fix build on Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68269 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-02 01:11:37 +00:00
Owen Anderson
e8a290fefc Reapply r68211, with the miscompilations it caused fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 23:53:49 +00:00
Bill Wendling
dcafd04163 Make the constants fit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 22:44:18 +00:00
Devang Patel
9dfa1671fc Clean up pass manager cache after each run. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68254 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 22:34:41 +00:00
Chris Lattner
5867de1243 silence warning in release-asserts build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 22:14:45 +00:00
Daniel Dunbar
23e97b05da Add llvm::Triple class for abstracting access to target triples. 
- The code is silly, I'm just amusing myself. Rewrite to be efficient
   if you like. :)

Also, if you wish to debate the proper names of the triple components
I'm all ears.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:53:23 +00:00
Misha Brukman
a9f4836313 Fixed file header comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68250 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:37:19 +00:00
Misha Brukman
6eb28b5237 Added tests for math utility functions; fixed another test's header comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68249 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:36:40 +00:00
Misha Brukman
b035842c34 Fixed spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68248 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:33:08 +00:00
Devang Patel
8a7eed3267 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68246 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:27:08 +00:00
Chris Lattner
34cb154028 add this to SVN to allow collaborative hacking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68243 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 21:11:04 +00:00
Chris Lattner
dd255a6247 Add range insert method for DenseSet and define DenseMapInfo for chars. 
Patch by Kevin Fan!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 19:50:49 +00:00
Evan Cheng
9f777c64c5 Recognize arm triplets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68229 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 18:54:56 +00:00
Dan Gohman
de551f91d8 Use CHAR_BIT instead of hard-coding 8 in several places where it 
is appropriate. This helps visually differentiate host-oriented
calculations from target-oriented calculations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68227 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 18:45:54 +00:00
Ted Kremenek
ef66abeaee Constify method to make VC++ happy. Patch by Brian Diekelman! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 18:24:22 +00:00
Dan Gohman
77c5b0d7dc Use LLVM type names instead of C type names in comments, to be 
less ambiguous and less C-specific.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68219 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 18:10:16 +00:00
Bob Wilson
bf6396bed0 Fix PR3862: Recognize some ARM-specific constraints for immediates in inline 
assembly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 17:58:54 +00:00
Dan Gohman
e63c4a2010 Revert r68172. It caused regressions in 
Applications/Burg/burg
  Applications/ClamAV/clamscan
and many other tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 16:37:47 +00:00
Misha Brukman
687b337a72 Fixed spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 16:13:29 +00:00
Ted Kremenek
6d7e49bb06 CMake: Have generated Xcode projects also contain the LLVM header files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68206 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 15:40:21 +00:00
Nick Lewycky
d04bc73085 Detect that we're building from a git checkout like we do for cvs and svn. 
Based on a patch by Nicolas Trangez on the unladen-swallow mailing list!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68187 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 04:39:25 +00:00
Chris Lattner
c23c1fc559 hopefully fix an apparent build error on windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 02:03:38 +00:00
Chris Lattner
7d9eb5884c fix a serious regression I introduced in my previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68173 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 01:43:03 +00:00
Owen Anderson
f41fcbb60d Enhance GVN to propagate simple conditionals. This fixes PR3921. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68172 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 01:20:45 +00:00
Misha Brukman
b0426e86af include Makefile.common before using $(BuildMode) to get its definition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68167 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 00:35:00 +00:00
Misha Brukman
d485e885f0 * Fixed spelling of `invertible' 
* Simplified if statement


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68163 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 00:15:46 +00:00
Douglas Gregor
41222823db Allow the use of pointers to const within PointerUnion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 23:19:54 +00:00
Chris Lattner
b160f5d36d add a converting operator 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68158 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 23:09:51 +00:00
Chris Lattner
46e7740a44 reimplement BitcodeReaderValueList in terms of WeakVH instead of making 
it be an LLVM IR User object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68156 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 22:55:09 +00:00
Chris Lattner
d3c7b7359d Make the key of ValueRankMap an AssertingVH, so that we die violently 
if it dangles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 22:13:29 +00:00
Chris Lattner
722272df41 Add two new classes: WeakVH and AssertingVH. These are both "ValueHandles", 
which are effectively smart pointers to Value*'s.  They are both very light
weight and simple, and react to values being destroyed or being RAUW'd.

WeakVN does a best effort to follow a value around, including through RAUW 
operations and will get nulled out of the value is destroyed.  This is useful
for the eventual "metadata that references a value" work, because it is a
reference to a value that does not show up on its use_* list.

AssertingVH is a pointer that compiles down to a dumb raw pointer when 
assertions are disabled.  When enabled, it emits an assertion if the 
pointed-to value is destroyed while it is still being referenced.  This
is very useful for Maps and other things, and should have caught the recent
bugs in CallGraph and Reassociate, for example.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68149 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 22:11:05 +00:00
Chris Lattner
f385167b85 teach PointerLikeTypeTraits that all pointers to pointers may only be 4-byte aligned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68147 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 21:28:39 +00:00
Chris Lattner
bdd376ccb2 add some accessors so I can play games with DenseMaps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 20:57:23 +00:00
Evan Cheng
de62192843 Throttle back "fold select into operand" transformation. InstCombine should not generate selects of two constants unless they are selects of 0 and 1. 
e.g.
define i32 @t1(i32 %c, i32 %x) nounwind {
       %t1 = icmp eq i32 %c, 0
       %t2 = lshr i32 %x, 18
       %t3 = select i1 %t1, i32 %t2, i32 %x
       ret i32 %t3
}

was turned into

define i32 @t2(i32 %c, i32 %x) nounwind {
       %t1 = icmp eq i32 %c, 0
       %t2 = select i1 %t1, i32 18, i32 0
       %t3 = lshr i32 %x, %t2
       ret i32 %t3
}

For most targets, that means materializing two constants and then a select. e.g. On x86-64

movl    %esi, %eax
shrl    $18, %eax
testl   %edi, %edi
cmovne  %esi, %eax
ret

=>

xorl    %eax, %eax
testl   %edi, %edi
movl    $18, %ecx
cmovne  %eax, %ecx
movl    %esi, %eax
shrl    %cl, %eax
ret

Also, the optimizer and codegen can reason about shl / and / add, etc. by a constant. This optimization will hinder optimizations using ComputeMaskedBits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68142 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 20:42:45 +00:00
Evan Cheng
6fb2168aae Fully general expansion of integer shift of any size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68134 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 19:39:24 +00:00
Evan Cheng
d54f2d571d i128 shift libcalls are not available on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68133 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 19:38:51 +00:00
Dan Gohman
968dc7a207 Reapply 68073, with fixes. EH Landing-pad basic blocks are not 
entered via fall-through. Don't miss fallthroughs from blocks
terminated by conditional branches. Also, move
isOnlyReachableByFallthrough out of line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68129 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 18:39:13 +00:00
Mikhail Glushenkov
46801029ea Do not pass '-relocation-model=pic' to llc. 
Does not work well on 32 bit targets. Bug reported by Albert Graef.

This patch also adds new "-Wllc,option" syntax to pass options to llc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 18:33:54 +00:00
Douglas Gregor
da84b25b13 Stop guessing, start thinking, and make PointerUnion3::is actually be correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 18:31:03 +00:00
Dan Gohman
431efa19aa Add an explicit -asm-verbose to these tests, to make it 
possible to run the tests with -asm-verbose defaulting
to false.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68124 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 18:20:47 +00:00
Devang Patel
28c531cdbb Update call graph after inlining invoke. 
Patch by Jay Foad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68120 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 17:36:12 +00:00
Daniel Dunbar
be46c79501 Add llvm::sys::getHostTriple and remove 
llvm::sys::getOS{Name,Version}.

Right now the implementation just derives from LLVM_HOSTTRIPLE (which
is wrong, but it doesn't look like we have a define for the target
triple). Ideally this routine would actually be able to compute the
triple for targets we care about.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68118 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 17:30:15 +00:00
Dan Gohman
456e281c11 Minor top-level comment fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68113 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 16:51:18 +00:00
Dan Gohman
4b6fce4c05 Tidy up some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68112 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 16:48:35 +00:00
Dan Gohman
e1ca7c4dd5 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68111 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 16:46:45 +00:00
Rafael Espindola
523249f856 remove unused arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68109 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 16:16:57 +00:00
Bill Wendling
df4881c68a Really temporarily revert r68073. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68100 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 08:42:40 +00:00
Bill Wendling
e67f5e4273 Oy! When reverting r68073, I added in experimental code. Sorry... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-31 08:41:31 +00:00