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17708 Commits

Author SHA1 Message Date
Evan Cheng
88d1f587d2 Track all joined registers and eliminate unneeded kills after all joining are done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34767 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-01 02:03:03 +00:00
Reid Spencer
6263cbada2 For PR1205: 
Make GetConstantFactor compute its result using an APInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34765 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 23:31:17 +00:00
Dale Johannesen
b71aa2b6ca Changes requested in review of last pass. Also pulled isThumb into a 
member, instead of resetting in every function that uses it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34764 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 23:20:38 +00:00
Evan Cheng
ad78ef2154 Doh. ARM::PC is obvious a reserved register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34763 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 23:12:34 +00:00
Reid Spencer
c6aedf70b3 For PR1205: 
Adjust to changes in ConstantRange interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34762 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 22:03:51 +00:00
Reid Spencer
bb626a6751 Move ConstantRange class to lib/Support from lib/Analysis and make its 
interface not depend on Type or ICmpInst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34761 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 22:02:48 +00:00
Reid Spencer
3da43849f2 Provide an ICmpInst::makeConstantRange to generate a ConstantRange value 
from a predicate and an APInt. This is removed from ConstantRange class
so that ConstantRange doesn't have to depend on lib/VMCore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34760 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 22:00:54 +00:00
Jim Laskey
8782d481a3 Chain is on second operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34759 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 20:43:58 +00:00
Reid Spencer
581b0d453a For PR1205: 
Remove ConstantInt from ConstantRange interface and adjust its users to
compensate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 19:57:34 +00:00
Reid Spencer
f57fc81fae Implement a convenience method to construct a ConstantInt directly from an 
APInt. The implied type is the integer type that corresponds to the bit
width of the APInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34757 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 19:50:21 +00:00
Reid Spencer
dc5c159701 For PR1205: 
First round of ConstantRange changes. This makes all CR constructors use
only APInt and not use ConstantInt. Clients are adjusted accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34756 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:57:32 +00:00
Dale Johannesen
f1b214d3ca Add intelligence about where to break large blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34755 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:41:23 +00:00
Chris Lattner
eac6607d7c remove dead option 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34754 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:39:53 +00:00
Jim Laskey
3f09fc2ff8 Handle mix of personalities. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34752 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:38:31 +00:00
Jim Laskey
63f3e3fa1d Provide a more meaningful name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34751 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:37:50 +00:00
Jim Laskey
64ce0ca90d MERGE_VALUES unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34750 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:37:04 +00:00
Chris Lattner
70500805d5 bugfix: fastcall does not require the first two params to be marked 'inreg', 
they always get registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34748 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 18:35:11 +00:00
Reid Spencer
663e711dc2 For PR1205: 
Convert ConstantRange class to use APInt internally as its value type for
the constant range, instead of ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 17:36:23 +00:00
Reid Spencer
94900774ad Make the trunc/sext/zext methods return APInt& so that these operations 
can be chained together with other operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34743 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 17:34:32 +00:00
Nate Begeman
a0a6278c7c Fix a typo, thanks Bill! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 09:16:38 +00:00
Nate Begeman
fec910c3b9 More Mach-O writer improvements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34740 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:40:50 +00:00
Chris Lattner
e32bbf61c0 use high-level functions in CCState 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34739 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:09:55 +00:00
Chris Lattner
66baf26fe0 add methods for analysis of call results and return nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:09:40 +00:00
Chris Lattner
638402b253 make use of helper functions in CCState for analyzing formals and calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34737 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 07:00:42 +00:00
Chris Lattner
fb39f99fa4 add methods to analyze calls and formals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34736 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:56:37 +00:00
Chris Lattner
e5876ce21a add a newline at end of file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34735 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:42:11 +00:00
Chris Lattner
f5d280a0a6 switch LowerFastCCCallTo over to using the new fastcall description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34734 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:26:33 +00:00
Chris Lattner
fc664c1bc0 switch LowerFastCCArguments over to using the autogenerated Fastcall description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34733 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:21:19 +00:00
Chris Lattner
011bcc8cdd add new CC_X86_32_FastCall calling conv, which describes fastcall on win32. 
Factor out a CC_X86_32_Common convention, which is the part shared between
ccc, stdcall and fastcall


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34732 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:20:01 +00:00
Chris Lattner
fcf1a3de7a rearrange code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34731 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:10:12 +00:00
Chris Lattner
2db39b865e remove fastcc (not fastcall) support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34730 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 06:05:16 +00:00
Chris Lattner
f39f771b02 switch LowerCCCArguments over to using autogenerated CC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34729 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:46:49 +00:00
Chris Lattner
c0bdf3460c simplify sret handling 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34728 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:39:26 +00:00
Chris Lattner
423c5f44f8 switch LowerCCCCallTo over to using an autogenerated callingconv 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34727 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:31:48 +00:00
Chris Lattner
370bdda526 rename stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34726 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:30:29 +00:00
Chris Lattner
62247f62ce rename some CCActions, add CCIfInReg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34725 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 05:29:33 +00:00
Chris Lattner
59ed56b9ee switch return value passing and the x86-64 calling convention information 
over to being autogenerated from the X86CallingConv.td file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34722 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 04:55:35 +00:00
Chris Lattner
3d5591038a make subtarget references work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34721 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 04:51:41 +00:00
Reid Spencer
fa1353ca52 Implement reading of arbitrary precision integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34718 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 02:25:48 +00:00
Reid Spencer
9abd138a30 Implement writing of arbitrary precision integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34717 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 02:25:20 +00:00
Reid Spencer
38c91a9927 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34716 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 02:24:54 +00:00
Reid Spencer
c34ebfbcfd Implement arbitrary integer constants through the use of APInt values. 
Positive, negative, and hexadecimal integer constants will now return an
APInt for values having > 64 bits of precision.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34715 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 02:24:27 +00:00
Reid Spencer
f231004a1c Implement support for aribrary precision integers by creating two new 
tokens: ESAPINTVAL and EUAPINTVAL and adding an APInt* as a semantic value.
This allows us to extend the definition of an integer constant to allow
arbitrary precision integer constant values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34714 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 02:23:44 +00:00
Reid Spencer
ff60576646 Fix a bug in RoundDoubleToAPInt where it would force the size to 64 bits 
instead of honoring the client's requested bit width.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34712 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 01:30:08 +00:00
Evan Cheng
36230cdda4 Make requiresRegisterScavenging determination on a per MachineFunction basis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34711 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 00:59:19 +00:00
Evan Cheng
41a4d562f7 Temporary: make R12 available in ARM mode if RegScavenger is being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 00:22:44 +00:00
Evan Cheng
1b051fc6a4 Start making use of RegScavenger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 00:21:58 +00:00
Evan Cheng
5e6df4647e PEI now passes a RegScavenger ptr to eliminateFrameIndex. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34707 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 00:21:17 +00:00
Evan Cheng
37f15a6d48 MRegisterInfo disowns RegScavenger. It's immutable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34706 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-28 00:17:36 +00:00
Reid Spencer
f5c0fd9e16 Join two lines that can be joined. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34705 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 23:49:07 +00:00
Reid Spencer
012d50b851 Pull out the stops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34703 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 23:33:03 +00:00
Reid Spencer
80f8481ef0 Remove some redundancy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34702 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 23:27:26 +00:00
Evan Cheng
15991bf775 Minor tweak. Allocate r0 to r3 in reverse order, r3 is least likely to be livein to a function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34701 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 23:03:55 +00:00
Evan Cheng
898218cc5e Some more code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34700 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 22:58:43 +00:00
Chris Lattner
3e8a541bf4 reenable generation of CC info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34699 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 22:12:19 +00:00
Evan Cheng
8cab162e03 Oops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34698 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 22:10:52 +00:00
Reid Spencer
681dcd14e9 Implement countLeadingOnes() and getMinSignedBits(). This helps to minimize 
the bit width of negative numbers by computing the minimum bit width for a
negative value. E.g. 0x1800000000000000 could be just 0x8000000000000000


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:59:26 +00:00
Evan Cheng
3fae29acef Back out previous commit temporarily. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34694 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:47:22 +00:00
Evan Cheng
5ef9226f30 Let MRegisterInfo now owns RegScavenger; eliminateFrameIndex must preserve register kill info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:12:35 +00:00
Evan Cheng
3f6fd87473 Let MRegisterInfo now owns RegScavenger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:10:33 +00:00
Evan Cheng
bb6fb3357d RegScavenger interface change to make it more flexible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34690 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 21:09:48 +00:00
Chris Lattner
f45803012c implement CCMatchIfCC in terms of CCMatchIf 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34685 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:45:02 +00:00
Chris Lattner
8bcc4aea47 build cc info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34684 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:44:31 +00:00
Reid Spencer
914c3bca87 Adjust to changes in the APInt interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34681 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:25:25 +00:00
Reid Spencer
66ed1099ff Improve APInt interface: 
1. Add unsigned and signed versions of methods so a "bool" argument doesn't
   need to be passed in.
2. Make the various getMin/getMax functions all be inline since they are
   so simple.
3. Simplify sdiv and srem code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34680 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 20:24:31 +00:00
Reid Spencer
96d91372fd Conform to single person attribution in file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34678 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 19:31:09 +00:00
Reid Spencer
a5c7472726 For PR1205: 
Implement review feedback:
1. Use new APInt::RoundDoubleToAPInt interface to specify the bit width so
   that we don't have to truncate or extend in constant folding.
2. Fix a pasteo in SDiv that prevented a check for overflow.
3. Fix the shift operators: undef happens when the shift amount is equal
   to the bitwidth.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34677 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 19:29:54 +00:00
Reid Spencer
1fa111e8d4 1. Fix three serious bugs in the comparison code. 
2. Change RoundDoubleToAPInt to take a bit width parameter. Use that
   parameter to limit the bit width of the result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 18:23:40 +00:00
Chris Lattner
dbec2d9dcf a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 17:21:09 +00:00
Devang Patel
84da80d10b Make getPassManagerType() const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 15:00:39 +00:00
Nicolas Geoffray
05c180b347 Fix parenthesis for BCTRL_{ELF|Macho} test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 13:10:41 +00:00
Nicolas Geoffray
63f8fb1993 Differentiate between the MachO and the ELF ABI the CALL instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34667 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 13:01:19 +00:00
Jim Laskey
d313a9b148 Duplicate use of LR, take 2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 11:55:45 +00:00
Reid Spencer
940685ecf5 Allow the AsmWriter to print out arbitrary precision integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34664 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 08:34:09 +00:00
Reid Spencer
8374db81a8 Correct the implelmentation of ConstantInt::getAllOnesValue() for bit 
widths > 64 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34663 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 07:57:53 +00:00
Reid Spencer
b4d8ae5dfb Get rid of extraneous // in file comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34662 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 07:35:18 +00:00
Chris Lattner
d637a8b436 Add calling convention info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 06:59:52 +00:00
Reid Spencer
9472c373a3 For PR1205: 
Implement constant folding via APInt instead of uint64_t.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34660 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 06:23:51 +00:00
Chris Lattner
00836648ae move target independent calling convention stuff to TargetCallingConv.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34659 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:57:32 +00:00
Chris Lattner
d50110d8dc fill in some holes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:51:05 +00:00
Chris Lattner
9774c915f1 switch x86-64 return value lowering over to using same mechanism as argument 
lowering uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34657 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:28:59 +00:00
Chris Lattner
13513b7a50 Minor refactoring of CC Lowering interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 05:13:54 +00:00
Chris Lattner
362e98a5f5 move CC Lowering stuff to its own public interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:43:02 +00:00
Chris Lattner
9c71ab77cd refactor x86-64 argument lowering yet again, this time eliminating templates, 
'clients', etc, and adding CCValAssign instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 04:18:15 +00:00
Chris Lattner
92f6feaf79 ConstantFolding.cpp/h -> ConstantFold.cpp/h to avoid confusion with 
lib/Analysis/ConstantFolding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34653 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 03:05:06 +00:00
Evan Cheng
3d3d627513 Backing out Jim's LR spill changes. This was causing llvm-gcc bootstrapping 
to infinite loop:
PPCMachineFunctionInfo.h updated: 1.2 -> 1.3
PPCRegisterInfo.cpp updated: 1.110 -> 1.111
PPCRegisterInfo.h updated: 1.28 -> 1.29


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34652 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 02:55:29 +00:00
Evan Cheng
ed570dedad forward() should not increment internal iterator. Its client may insert instruction between now and next forward() call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34649 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 01:58:48 +00:00
Reid Spencer
30f44f3287 Simplify and document RoundDoubleToAPInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34648 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-27 01:28:10 +00:00
Reid Spencer
532d0ce208 For PR1205: 
Implement the first step towards arbitrary precision integer support in
LLVM. The APInt class provides arbitrary precision arithmetic and value
representation. This patch changes ConstantInt to use APInt as its value
representation without supporting bit widths > 64 yet. That change will
come after ConstantFolding handles bit widths > 64 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 23:54:03 +00:00
Reid Spencer
9ac44113a8 1. Make sure all delete operators of arrays use the array form of delete. 
2. Rewrite operator=(const APInt& RHS) to allow the RHS to be a different
   bit width than the LHS. This makes it possible to use APInt as the key
   of a DenseMap, as needed for the IntConstants map in Constants.cpp
3. Fix operator=(uint64_t) to clear unused bits in case the client assigns
   a value that has more bits than the APInt allows.
4. Assert that bit widths are equal in operator==
5. Revise getHashValue() to put the bit width in the low order six bits.
   This should help to make i1 0, i2 0, ... i64 0 all distinct in the
   IntConstants DenseMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34646 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 23:38:21 +00:00
Evan Cheng
edeffb37dc Joining an interval with a dead copy instruction. Shorten the live range to the last use. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34645 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 21:37:37 +00:00
Reid Spencer
794f4725b8 Implement the getHashValue method. 
Fix toString use of getValue to use getZExtValue()


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 21:02:27 +00:00
Devang Patel
fb688d4d1c Use efficient container SmallPtrSet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34640 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 20:22:50 +00:00
Chris Lattner
caddd44be7 always lower to RETFLAG, never leave it as just ret. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34639 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 19:44:02 +00:00
Devang Patel
5295692061 Do not unswitch loop on same value again and again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34638 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 19:31:58 +00:00
Chris Lattner
bffc1b3c4e fix attribution 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34637 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 18:56:07 +00:00
Chris Lattner
31c8a6d511 Add a description of the X86-64 calling convention and the return 
conventions.  This doesn't do anything yet, but may in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 18:17:14 +00:00
Reid Spencer
9d1ae8fabe Re-enable this. The header was committed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34634 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 08:10:54 +00:00
Chris Lattner
6e50f8cfe9 switch to smallvector 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34633 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:59:53 +00:00
Chris Lattner
ab143beb93 another missing header :( :( :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-26 07:51:00 +00:00