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* Avoid using DIDescriptor.isNull().Devang Patel2010-03-087-160/+122
| | | | | | | This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97947 91177308-0d34-0410-b5e6-96231b3b80d8
* Add Order to SDDbgValueDale Johannesen2010-03-081-4/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97939 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix dbg value handling in tail merging.Dale Johannesen2010-03-081-3/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97938 91177308-0d34-0410-b5e6-96231b3b80d8
* remove a non-temporal store pattern which is not tested and Chris Lattner2010-03-081-3/+0
| | | | | | | 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
* Revert r97917, which was causing Clang Debug self-host failures.Douglas Gregor2010-03-083-28/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97932 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll back r97918 again. Just configuring against llvm-gcc wasn't enough to runJeffrey Yasskin2010-03-072-25/+16
| | | | | | | the FrontendC* tests. :( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97921 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r97788 to free MDNodes when the LLVMContext is destroyed. ItJeffrey Yasskin2010-03-072-16/+25
| | | | | | | bootstraps llvm-gcc this time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97918 91177308-0d34-0410-b5e6-96231b3b80d8
* Roll r97906 forward again, without double-deleting CompileUnit::IndexTyDie.Jeffrey Yasskin2010-03-073-29/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97917 91177308-0d34-0410-b5e6-96231b3b80d8
* Use Other as a sentinel instead of iAny.Chris Lattner2010-03-071-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97914 91177308-0d34-0410-b5e6-96231b3b80d8
* _2_ gcc crashes, ah, ah, ah...Jeffrey Yasskin2010-03-072-24/+22
| | | | | | | (Rolling back r97906.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97909 91177308-0d34-0410-b5e6-96231b3b80d8
* Avoid leaking CompileUnits and DbgScopes from DwarfDebug. Leaks found by ↵Jeffrey Yasskin2010-03-072-22/+24
| | | | | | Valgrind! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97906 91177308-0d34-0410-b5e6-96231b3b80d8
* tidy upChris Lattner2010-03-071-10/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97895 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-committing the failed r97807 commit with changes to eliminate warnings.Wesley Peck2010-03-066-62/+193
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97891 91177308-0d34-0410-b5e6-96231b3b80d8
* Add verification of union types.Nick Lewycky2010-03-061-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97889 91177308-0d34-0410-b5e6-96231b3b80d8
* Describe what's going on with mingw alloca and why do we need separate ↵Anton Korobeynikov2010-03-061-1/+9
| | | | | | instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97888 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial bits of ARMv4-only support.Anton Korobeynikov2010-03-065-29/+88
| | | | | | Patch by John Tytgat! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97886 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower dynamic stack allocation on mingw32 to separate instruction.Anton Korobeynikov2010-03-064-20/+56
| | | | | | | 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
* make APFloat::toString be const.Chris Lattner2010-03-061-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97883 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not use '&' prefix for globals when register base field is non-zero, ↵Anton Korobeynikov2010-03-062-19/+27
| | | | | | | | 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
* Let the fallthrough handle whether or not we've changed anythingEric Christopher2010-03-061-1/+3
| | | | | | | before we try to optimize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97876 91177308-0d34-0410-b5e6-96231b3b80d8
* Migrate _chk call lowering from SimplifyLibCalls to InstCombine. StubEric Christopher2010-03-063-136/+128
| | | | | | | | | 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
* clean this up.Chris Lattner2010-03-061-6/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97870 91177308-0d34-0410-b5e6-96231b3b80d8
* revert r97807, it introduced build warnings.Chris Lattner2010-03-065-243/+47
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97869 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb1 epilogue code generation needs to take into account that callee-savedJim Grosbach2010-03-061-4/+18
| | | | | | | | 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
* Temporarily revert:Eric Christopher2010-03-061-10/+0
| | | | | | | | | | | | | | 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
* Fix another case where LSR was affected by debug info.Dale Johannesen2010-03-061-1/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97865 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't update physical register def.Evan Cheng2010-03-061-2/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97861 91177308-0d34-0410-b5e6-96231b3b80d8
* Transform @llvm.objectsize to integer if the argument is a result of malloc ↵Evan Cheng2010-03-061-0/+10
| | | | | | of known size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97860 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a LLVMWriteBitcodeToFD that exposes the raw_fd_ostream options.Erick Tryzelaar2010-03-061-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97858 91177308-0d34-0410-b5e6-96231b3b80d8
* Whoops, the old LLVMWriteBitcodeToFileHandle closed the stream.Erick Tryzelaar2010-03-061-1/+1
| | | | | | Luckily this never was released. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97857 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMWriteBitcodeToFileHandle should work on all architectures now.Erick Tryzelaar2010-03-061-11/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97856 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some new bits of debug info handling. NoDale Johannesen2010-03-063-0/+129
| | | | | | | | functional change yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97855 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply r97778 and r97779, enabled only for unsigned i64 to f64Dan Gohman2010-03-061-0/+25
| | | | | | | conversions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97854 91177308-0d34-0410-b5e6-96231b3b80d8
* Update CMake build.Ted Kremenek2010-03-051-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97846 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't emit global symbols into the (__TEXT,__ustring) section on Darwin. ThisCharles Davis2010-03-051-1/+1
| | | | | | | | | | 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
* Move SimplifyLibCalls's LibCall builders to a separate file so theyEric Christopher2010-03-052-386/+357
| | | | | | | | | 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
* Better handling of dead super registers in LiveVariables. We used to do this:Jakob Stoklund Olesen2010-03-051-21/+21
| | | | | | | | | | | | | | | | | | | | | 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
* We don't really care about correct register liveness information after theJakob Stoklund Olesen2010-03-051-4/+10
| | | | | | 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
* Avoid creating bad PHI instructions when BR is being const-folded.Jakob Stoklund Olesen2010-03-051-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97836 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a case where LSR is sensitive to debug info.Dale Johannesen2010-03-051-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97830 91177308-0d34-0410-b5e6-96231b3b80d8
* Safely turn memset_chk etc. to non-chk variant if the known object size is ↵Evan Cheng2010-03-051-13/+19
| | | | | | >= memset / memcpy / memmove size. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97828 91177308-0d34-0410-b5e6-96231b3b80d8
* Instcombine should turn llvm.objectsize of a alloca with static size to an ↵Evan Cheng2010-03-051-9/+22
| | | | | | integer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97827 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Evan Cheng2010-03-051-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97818 91177308-0d34-0410-b5e6-96231b3b80d8
* fix bss section printing for cell, patch by Kalle Raiskila!Chris Lattner2010-03-051-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97814 91177308-0d34-0410-b5e6-96231b3b80d8
* fix PR6512, a case where instcombine would incorrectly merge loadsChris Lattner2010-03-051-0/+2
| | | | | | | from different addr spaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97813 91177308-0d34-0410-b5e6-96231b3b80d8
* Reworking the stack layout that the MicroBlaze backend generates.Wesley Peck2010-03-055-47/+243
| | | | | | | | | | | | | 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
* Fix PR6503. This turned into a much more interesting and nasty bug. Various Chris Lattner2010-03-053-139/+107
| | | | | | | | | | | | 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
* Fix an oops in x86 sibcall optimization. If the ByVal callee argument is ↵Evan Cheng2010-03-051-8/+14
| | | | | | 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
* simplify some functions and make them work with vectorChris Lattner2010-03-051-62/+25
| | | | | | | compares, noticed by inspection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97795 91177308-0d34-0410-b5e6-96231b3b80d8
* fix a nice subtle reassociate bug which would only occurChris Lattner2010-03-051-5/+21
| | | | | | | | in a very specific use pattern embodied in the carefully reduced testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97794 91177308-0d34-0410-b5e6-96231b3b80d8
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