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* Rename ConstantSDNode::getValue to getZExtValue, for consistencyDan Gohman2008-09-1242-476/+535
| | | | | | | | with ConstantInt. This led to fixing a bug in TargetLowering.cpp using getValue instead of getAPIntValue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56159 91177308-0d34-0410-b5e6-96231b3b80d8
* Rather than marking all internal globals "Ref"Duncan Sands2008-09-121-17/+11
| | | | | | | | | | | | | | | | | when a readonly declaration is called, set a flag. This is faster and uses less memory. In theory it is less accurate, because before only those internal globals that were read by someone were being marked "Ref", but now all are. But in practice, thanks to other passes, all internal globals of the kind considered here will be both read and stored to: those only read will have been turned into constants, and those only stored to will have been deleted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56143 91177308-0d34-0410-b5e6-96231b3b80d8
* The sequence for ppcf128 compares was not IEEEDale Johannesen2008-09-121-4/+6
| | | | | | | | safe in the presence of NaNs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56136 91177308-0d34-0410-b5e6-96231b3b80d8
* On 64-bit targets, change 32-bit getelementptr indices to be 64-bitDan Gohman2008-09-111-1/+12
| | | | | | | | getelementptr indices, inserting an explicit cast if necessary. This helps expose the sign-extension operation to other optimizations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56133 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a vectorshuffle instcombine bug introduced by r55995.Dan Gohman2008-09-111-1/+4
| | | | | | | Patch by Nicolas Capens! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56129 91177308-0d34-0410-b5e6-96231b3b80d8
* udpate header comment: s/VP/VFP/Jim Grosbach2008-09-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56126 91177308-0d34-0410-b5e6-96231b3b80d8
* When tailcallopt is enabled all fastcc calls must have an aligned argument ↵Arnold Schwaighofer2008-09-111-1/+1
| | | | | | stack size. Add a test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56119 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2748. Avoid coalescing physical register with virtual register which ↵Evan Cheng2008-09-112-0/+70
| | | | | | | | | | | | would create illegal extract_subreg. e.g. vr1024 = extract_subreg vr1025, 1 ... vr1024 = mov8rr AH If vr1024 is coalesced with AH, the extract_subreg is now illegal since AH does not have a super-reg whose sub-register 1 is AH. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56118 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in ANY_EXTEND handling that was breaking 403.gcc on X86-64 in fast ↵Owen Anderson2008-09-111-2/+7
| | | | | | isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56117 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment typo.Duncan Sands2008-09-111-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56116 91177308-0d34-0410-b5e6-96231b3b80d8
* Intrinsics don't touch internal global variablesDuncan Sands2008-09-111-2/+4
| | | | | | | | (unless passed one via a parameter), even if they are IntrWriteMem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56115 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a copy+paste bug that Duncan spotted. For severalDan Gohman2008-09-111-1/+1
| | | | | | | | cases it was still getting lucky and detecting overflow but it was clearly incorrect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56113 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2783 - coalescer bug. Missing a TargetRegisterInfo::isVirtualRegister ↵Evan Cheng2008-09-111-1/+2
| | | | | | check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56112 91177308-0d34-0410-b5e6-96231b3b80d8
* Intrinsics don't read these kinds of globalDuncan Sands2008-09-111-5/+7
| | | | | | | variables. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56105 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a 80 column violation.Evan Cheng2008-09-111-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56097 91177308-0d34-0410-b5e6-96231b3b80d8
* The version of AtomicSDNode::AtomicSDNode used (only) forDale Johannesen2008-09-111-6/+6
| | | | | | | | | | | | | | | cmp-and-swap reversed the Cmp and Swap arguments; comments make it clear this is unintentional. Unfortunately, the x86 BE had a compensating reversal, which is removed here. PPC is OK. From inspection of the Alpha code I think it is OK, but if somebody has that platform please check it out. I cannot test on that platform. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56091 91177308-0d34-0410-b5e6-96231b3b80d8
* If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before ↵Owen Anderson2008-09-111-0/+7
| | | | | | | | | giving up. This fixes 445.gobmk on X86-64 in fast isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56088 91177308-0d34-0410-b5e6-96231b3b80d8
* Succumb utterly to compatibility and implementDale Johannesen2008-09-111-4/+4
| | | | | | | | | __sync_fetch_and_nand as ANDC, even though that's not what nand means. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56087 91177308-0d34-0410-b5e6-96231b3b80d8
* Propagate subreg index when promoting a load to a copy.Evan Cheng2008-09-111-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56085 91177308-0d34-0410-b5e6-96231b3b80d8
* In my analysis for r56076 I missed the case where the originalDan Gohman2008-09-111-1/+2
| | | | | | | multiplication overflows. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56082 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix an icmp+sdiv optimization to check for and handle an overflowDan Gohman2008-09-101-1/+16
| | | | | | | condition. This fixes PR2740. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56076 91177308-0d34-0410-b5e6-96231b3b80d8
* X86FastISel support for double->float and float->double casts.Dan Gohman2008-09-101-0/+43
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56070 91177308-0d34-0410-b5e6-96231b3b80d8
* FastISel support for i1 PHI nodes.Dan Gohman2008-09-101-2/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56069 91177308-0d34-0410-b5e6-96231b3b80d8
* FastISel support for i1 constants.Dan Gohman2008-09-101-2/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56068 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the coalescer where it didn't check if a live interval existed ↵Owen Anderson2008-09-101-1/+1
| | | | | | | | | before trying to manipulate it. This was exposed by fast isel's handling of shifts on X86-64. With this, FreeBench/pcompress2 passes on X86-64 in fast isel. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56067 91177308-0d34-0410-b5e6-96231b3b80d8
* Add X86FastISel support for static allocas, and refencesDan Gohman2008-09-105-77/+105
| | | | | | | | to static allocas. As part of this change, refactor the address mode code for laods and stores. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56066 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR2664 - spiller GetRegForReload wasn't respecting sub-register indices ↵Evan Cheng2008-09-101-2/+4
| | | | | | on machine operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56065 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the ↵Evan Cheng2008-09-101-2/+4
| | | | | | hidden struct ptr; Re-enable fastcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56061 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle new intrinsics with vector arguments.Dale Johannesen2008-09-101-0/+5
| | | | | | | | Patch by Paul Redmond. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56059 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a break statement that I accidentally deleted whenDan Gohman2008-09-101-0/+1
| | | | | | | | I shuffled the fast-isel command-line options around. This fixes a bunch of fast-isel failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56057 91177308-0d34-0410-b5e6-96231b3b80d8
* fix white spaces.Devang Patel2008-09-101-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56056 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix name.Duncan Sands2008-09-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56055 91177308-0d34-0410-b5e6-96231b3b80d8
* Add trampoline support for the new FastCC callingDuncan Sands2008-09-101-0/+1
| | | | | | | | convention (not related to recent Ada testsuite failures). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56054 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn off the new FastCC for the moment. It causesDuncan Sands2008-09-101-2/+0
| | | | | | | | a slew of Ada testsuite failures on x86-32 linux. Seems to be related to the use of float. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56053 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary bit-wise AND from the limited precision work.Bill Wendling2008-09-101-6/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56049 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix 80 col violation.Daniel Dunbar2008-09-101-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56048 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a warning about comparing signed and unsigned values.Dan Gohman2008-09-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56040 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Evan Cheng2008-09-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56037 91177308-0d34-0410-b5e6-96231b3b80d8
* Check that both operands are f32 before attempting to lower.Bill Wendling2008-09-101-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56036 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement "visitPow". This is mainly used to see if we have a pow() call of thisBill Wendling2008-09-102-4/+146
| | | | | | | | | | | | form: powf(10.0f, x); If this is the case, and also we want limited precision floating-point calculations, then lower to do the limited-precision stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56035 91177308-0d34-0410-b5e6-96231b3b80d8
* A few more places where FPOW is being ignored.Evan Cheng2008-09-091-7/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56032 91177308-0d34-0410-b5e6-96231b3b80d8
* Change -fast-isel-no-abort to -fast-isel-abort, which now defaultsDan Gohman2008-09-091-7/+12
| | | | | | | | | to being off by default. Also, add assertion checks to check that the various fast-isel-related command-line options are only used when -fast-isel itself is enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56029 91177308-0d34-0410-b5e6-96231b3b80d8
* Legalizer was missing code that expand fpow to a libcall.Evan Cheng2008-09-091-10/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56028 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2Bill Wendling2008-09-091-26/+111
| | | | | | | function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56025 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the uglier parts of deciding not to emit aDale Johannesen2008-09-092-15/+25
| | | | | | | | | | | UsedDirective for some symbols in llvm.used into Darwin-specific code. I've decided LessPrivateGlobal is potentially a useful abstraction and left it in the target-independent area, with improved comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56024 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for 6-, 12-, and 18-bit limited precision calculations of exp forBill Wendling2008-09-091-7/+134
| | | | | | | floating-point numbers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56023 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new option, -fast-isel-verbose, that can be used withDan Gohman2008-09-091-15/+21
| | | | | | | | -fast-isel-no-abort to get a dump of all unhandled instructions, without an abort. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56021 91177308-0d34-0410-b5e6-96231b3b80d8
* Clear preference when it no longer makes sense.Evan Cheng2008-09-091-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56019 91177308-0d34-0410-b5e6-96231b3b80d8
* if loop induction variable is always sign or zero extended then Devang Patel2008-09-091-1/+118
| | | | | | | extend the type of induction variable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56017 91177308-0d34-0410-b5e6-96231b3b80d8
* Add assertion check.Devang Patel2008-09-091-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56016 91177308-0d34-0410-b5e6-96231b3b80d8
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