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c58daa2d510ac619b323e25e48ec42b5da7a3479
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36710 Commits
Author SHA1 Message Date
Tanya Lattner c58daa2d51 Merge 98205 from mainline. 
Work around a bug in the openbsd assembler on i386,
which doesn't support .quad correctly because it is
"really really old".  PR6528.

Yet another reason the mc assembler should take over ;-)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_27@98309 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-12 00:03:18 +00:00
Tanya Lattner 0d80090979 Merge 98212 from mainline. 
add support, testcases, and dox for the new GHC calling
convention.  Patch by David Terei!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_27@98307 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 23:59:04 +00:00
Tanya Lattner bf9f9dae76 Merge 98203 from mainline. 
fix PR6533 by updating the br(xor) code to remember the case
when it looked past a trunc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_27@98306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 23:57:44 +00:00
Tanya Lattner dfbd083efb Merge 98042. 
Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_27@98301 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 23:41:22 +00:00
Chris Lattner 9a1ac4c107 remove a non-temporal store pattern which is not tested and 
could never have matched because the operand list was backwards.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97933 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 03:18:28 +00:00
Douglas Gregor 1ddcf35b68 Revert r97917, which was causing Clang Debug self-host failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97932 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-08 02:58:37 +00:00
Jeffrey Yasskin 6fec233a1e Roll back r97918 again. Just configuring against llvm-gcc wasn't enough to run 
the FrontendC* tests. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97921 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 19:26:40 +00:00
Jeffrey Yasskin 92ce42f9fc Reapply r97788 to free MDNodes when the LLVMContext is destroyed. It 
bootstraps llvm-gcc this time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 18:46:57 +00:00
Jeffrey Yasskin 9467f0e3bd Roll r97906 forward again, without double-deleting CompileUnit::IndexTyDie. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 17:10:13 +00:00
Chris Lattner acee647b13 Use Other as a sentinel instead of iAny. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 07:45:08 +00:00
Jeffrey Yasskin 8c42ca9374 _2_ gcc crashes, ah, ah, ah... 
(Rolling back r97906.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 07:16:49 +00:00
Jeffrey Yasskin f7399bf929 Avoid leaking CompileUnits and DbgScopes from DwarfDebug. Leaks found by Valgrind! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 06:55:35 +00:00
Chris Lattner 98f15d27cd tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97895 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-07 04:28:09 +00:00
Wesley Peck c2bf2bbe93 Re-committing the failed r97807 commit with changes to eliminate warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97891 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 23:23:12 +00:00
Nick Lewycky e20ab4a03c Add verification of union types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 20:26:48 +00:00
Anton Korobeynikov e765f2b5e3 Describe what's going on with mingw alloca and why do we need separate instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 20:07:32 +00:00
Anton Korobeynikov ce7bf1c55f Initial bits of ARMv4-only support. 
Patch by John Tytgat!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97886 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 19:39:36 +00:00
Anton Korobeynikov 043f3c2a0e Lower dynamic stack allocation on mingw32 to separate instruction. 
We cannot use a normal call here since it has extra unmodelled side
effects (it changes stack pointer). This should fix PR5292.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97884 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 19:32:29 +00:00
Chris Lattner 0ddda3b8c6 make APFloat::toString be const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 19:20:13 +00:00
Anton Korobeynikov 9aff323a07 Do not use '&' prefix for globals when register base field is non-zero, otherwise msp430-as will silently miscompile the code (TI's assembler report an error though). 
This fixes PR6349

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97877 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 11:41:12 +00:00
Eric Christopher 7b323a34fa Let the fallthrough handle whether or not we've changed anything 
before we try to optimize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 10:59:25 +00:00
Eric Christopher 27ceaa13f8 Migrate _chk call lowering from SimplifyLibCalls to InstCombine. Stub 
out the remainder of the calls that we should lower in some way and
move the tests to the new correct directory. Fix up tests that are now
optimized more than they were before by -instcombine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 10:50:38 +00:00
Chris Lattner eea3f7e4ee clean this up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97870 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 07:02:28 +00:00
Chris Lattner 0a7f442314 revert r97807, it introduced build warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 04:32:46 +00:00
Jim Grosbach e68bd74245 Thumb1 epilogue code generation needs to take into account that callee-saved 
registers may be restored via a pop instruction, not just a tRestore.
This fixes nightly test 471.omnetep for Thumb1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97867 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 03:28:39 +00:00
Eric Christopher 75f0d6953a Temporarily revert: 
Log:
Transform @llvm.objectsize to integer if the argument is a result of malloc of known size.

Modified:
   llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp
   llvm/trunk/test/Transforms/InstCombine/objsize.ll

It appears to be causing swb and nightly test failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97866 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 03:11:35 +00:00
Dale Johannesen 621e06f9df Fix another case where LSR was affected by debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97865 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 02:45:26 +00:00
Evan Cheng 6cc1aeaad2 Don't update physical register def. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97861 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 01:14:19 +00:00
Evan Cheng fc8ccfedbb Transform @llvm.objectsize to integer if the argument is a result of malloc of known size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97860 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 01:01:42 +00:00
Erick Tryzelaar e623050048 Add a LLVMWriteBitcodeToFD that exposes the raw_fd_ostream options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:30:06 +00:00
Erick Tryzelaar b3195fbc2e Whoops, the old LLVMWriteBitcodeToFileHandle closed the stream. 
Luckily this never was released.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:30:01 +00:00
Erick Tryzelaar 760640599e LLVMWriteBitcodeToFileHandle should work on all architectures now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97856 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:29:58 +00:00
Dale Johannesen 06a26637da Add some new bits of debug info handling. No 
functional change yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97855 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:03:23 +00:00
Dan Gohman 0fa9d1d901 Reapply r97778 and r97779, enabled only for unsigned i64 to f64 
conversions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-06 00:00:55 +00:00
Ted Kremenek e080b038bf Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 22:34:16 +00:00
Charles Davis 314fef6127 Don't emit global symbols into the (__TEXT,__ustring) section on Darwin. This 
is a workaround for <rdar://problem/7672401/> (which I filed).

This let's us build Wine on Darwin, and it gets the Qt build there a little bit
further (so Doug says).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 22:28:45 +00:00
Eric Christopher b6174e3605 Move SimplifyLibCalls's LibCall builders to a separate file so they 
can be used in more places.  Add an argument for the TargetData that
most of them need. Update for the getInt8PtrTy() change.  Should be
no functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 22:25:30 +00:00
Jakob Stoklund Olesen 53e000bac3 Better handling of dead super registers in LiveVariables. We used to do this: 
CALL ... %RAX<imp-def>
   ... [not using %RAX]
   %EAX = ..., %RAX<imp-use, kill>
   RET %EAX<imp-use,kill>

Now we do this:

   CALL ... %RAX<imp-def, dead>
   ... [not using %RAX]
   %EAX = ...
   RET %EAX<imp-use,kill>

By not artificially keeping %RAX alive, we lower register pressure a bit.

The correct number of instructions for 2008-08-05-SpillerBug.ll is obviously
55, anybody can see that. Sheesh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97838 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:49:17 +00:00
Jakob Stoklund Olesen a76e816844 We don't really care about correct register liveness information after the 
post-ra scheduler has run. Disable the verifier checks that late in the game.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:49:13 +00:00
Jakob Stoklund Olesen 580bba2b0d Avoid creating bad PHI instructions when BR is being const-folded. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:49:10 +00:00
Dale Johannesen 8d50ea7603 Fix a case where LSR is sensitive to debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 21:12:40 +00:00
Evan Cheng a79eb387ac Safely turn memset_chk etc. to non-chk variant if the known object size is >= memset / memcpy / memmove size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97828 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 20:59:47 +00:00
Evan Cheng a862326bc7 Instcombine should turn llvm.objectsize of a alloca with static size to an integer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97827 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 20:47:23 +00:00
Evan Cheng 10718492c8 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 19:55:55 +00:00
Chris Lattner ac834e7a5f fix bss section printing for cell, patch by Kalle Raiskila! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 18:55:36 +00:00
Chris Lattner 4c5fb1a311 fix PR6512, a case where instcombine would incorrectly merge loads 
from different addr spaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97813 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 18:53:28 +00:00
Wesley Peck c4155d591b Reworking the stack layout that the MicroBlaze backend generates. 
The MicroBlaze backend was generating stack layouts that did not
conform correctly to the ABI. This update generates stack layouts
which are closer to what GCC does.

Variable arguments support was added as well but the stack layout
for varargs has not been finalized.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 15:26:02 +00:00
Chris Lattner f34f48c578 Fix PR6503. This turned into a much more interesting and nasty bug. Various 
parts of the cmp|cmp and cmp&cmp folding logic wasn't prepared for vectors
(unrelated to the bug but noticed while in the code) and the code was 
*definitely* not safe to use by the (cast icmp)|(cast icmp) handling logic
that I added in r95855.  Fix all this up by changing the various routines
to more consistently use IRBuilder and not pass in the I which had the wrong 
type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 08:46:26 +00:00
Evan Cheng 4cae133780 Fix an oops in x86 sibcall optimization. If the ByVal callee argument is itself passed as a pointer, then it's obviously not safe to do a tail call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97797 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 08:38:04 +00:00
Chris Lattner d6f645ac09 simplify some functions and make them work with vector 
compares, noticed by inspection.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-05 07:47:57 +00:00