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2008-03-21Make it possible to get an empty struct usingDuncan Sands
the new StructType::get method. The second NULL is to pacify the gcc warning mechanism. This patch compiles but is otherwise untested. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48645 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Introduce a new node for holding call argumentDuncan Sands
flags. This is needed by the new legalize types infrastructure which wants to expand the 64 bit constants previously used to hold the flags on 32 bit machines. There are two functional changes: (1) in LowerArguments, if a parameter has the zext attribute set then that is marked in the flags; before it was being ignored; (2) PPC had some bogus code for handling two word arguments when using the ELF 32 ABI, which was hard to convert because of the bogusness. As suggested by the original author (Nicolas Geoffray), I've disabled it for the moment. Tested with "make check" and the Ada ACATS testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48640 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Fix the build for gcc-4.2.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48639 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21remove Evan's "ugly hack" that sorta attempted to get Chris Lattner
x86-64 return conventions correct, but was never enabled. We can now do the "right thing" with multiple return values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48635 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Add support for calls that return two FP values inChris Lattner
ST(0)/ST(1). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48634 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21disable a bogus assertion.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48633 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Enable support for returning two long-double values in ST(0)/ST(1).Chris Lattner
This allows us to compile fp-stack-2results.ll into: _test: fldz fld1 ret which returns 1 in ST(0) and 0 in ST(1). This is needed for x86-64 _Complex long double. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48632 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Teach masked value is zero about add and sub, and use MVIZ toChris Lattner
simplify things like (X & 4) >> 1 == 2 --> (X & 4) == 4. since it is obvious that the shift doesn't remove any bits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48631 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-21Undo 48570. Correctly match mmx shift instructions with an immediate operand.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48627 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20These passes preserve CFG.Devang Patel
This patch fixes Benchmarks/Trimaran/enc-pc1/enc-pc1 failure reported by Grawp-PIC i386 nightly tester git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48623 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Incorporate feedback.Devang Patel
- Fix loop nest. - Use RetVals.size() - Check for null return value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48605 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20C and Objective Caml bindings for mem2reg and reg2mem.Gordon Henriksen
Patch by Erick Tryzelaar. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48602 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20enable -analyze for andersensAndrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48601 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Take the old function's name.Zhou Sheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48588 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20add a note.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48583 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Check even more carefully before applying this DAGCombine transform.Christopher Lamb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48580 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Restore isCFGOnly property of various analysis passes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48579 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Fix this xform: (sra (shl X, m), result_size) -> (sign_extend (trunc (shl X, ↵Evan Cheng
result_size - n - m))) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48578 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20detabify llvm, patch by Mike Stump!Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48577 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Keep track of analysis information inherited from Module pass manager.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48576 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-20Add more patterns to match in the integer comparison test harnesses.Scott Michel
Fix bugs encountered, mostly due to range matching for immediates; the CellSPU's 10-bit immediates are sign extended, covering a larger range of unsigned values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48575 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-2080 col violation.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48573 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Add intrinsics to match mmx shift builtin's with immediate operand.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48569 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Add comment.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48567 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19#if 1 .. #endif markers do not add any value.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48560 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Remove dead options.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48556 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19PassInfo keep tracks whether a pass is an analysis pass or not.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48554 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Add support for multiple return values for the PPC target byDan Gohman
converting call result lowering to use the CallingConvLowering infastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48552 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Don't loose incoming argument registers. Fix documentation style.Arnold Schwaighofer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48545 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Fix X86's isTruncateFree to not claim that truncate to i1 is free. This ↵Christopher Lamb
fixes Bill's testcase that failed for r48491. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48542 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19add some convenience methods for creating GEP instructions and Chris Lattner
struct types. Patch by David Chisnall, with some tweaks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48531 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19C bindings for Module-, Function-, and BasicBlock::iterator.Gordon Henriksen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48528 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Fixed a coalescer bug caused by a typo.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48526 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19C and Objective Caml bindings for the various getParent methods of the IR.Gordon Henriksen
Based on Erick Tryzelaar's patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48523 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Fix live variables issues:Evan Cheng
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue. 2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register: = EAX, AX<imp-use,kill> ... AX = In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-19Do not use virtual function to identify an analysis pass.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48520 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18On Darwin, GCC issues a ".globl" for something that has a "visibility protected"Bill Wendling
attribute instead of ".protected". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48516 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Fix a x86-64 isel lowering bug that's been around forever. A x86-64 varargs ↵Evan Cheng
function implicitly reads X86::AL, don't clobber it! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48515 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Temporarily revert r48491. It's breaking test/CodeGen/X86/xorl.ll.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48510 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Fix PR 2160 by making sure arguments to external functions get marked as ↵Daniel Berlin
pointing to anything git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48509 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Make conversions of i8/i16 to ppcf128 work.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48493 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Dial down gcc's warnings: don't use 0UL when 0U suffices (and when theScott Michel
variables and methods themselves only use unsigned.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48492 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Target independent DAG transform to use truncate for field extraction + sign ↵Christopher Lamb
extend on targets where this is profitable. Passes nightly on x86-64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48491 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Rewrite code that propagate isDead information after a dead copy is ↵Evan Cheng
coalesced. This remove some ugly spaghetti code and fixed a number of subtle bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48490 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-18Identify Analysis pass.Devang Patel
Do not run analysis pass again if analysis info is still available. This fixes PR1441. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48476 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-17Update heuritics that estimates cost of call instructions.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48474 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-17Make Complex long long/double/long double workDale Johannesen
in ppc64 mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48459 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-17Check in some #ifdef'd out code switching call argument Chris Lattner
lowering over to SparcCallingConv.td. We can't make the switch yet because we can't say to pass f64 registers in 2 x i32 registers with the td file yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48449 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-17minor cleanupsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48448 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-17Unbreak JIT. Ignore TargetInstrInfo::IMPLICIT_DEF.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48447 91177308-0d34-0410-b5e6-96231b3b80d8
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