Eliminate enable-x86-fastcc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34753 91177308-0d34-0410-b5e6-96231b3b80d8

Handle mix of personalities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34752 91177308-0d34-0410-b5e6-96231b3b80d8

Provide a more meaningful name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34751 91177308-0d34-0410-b5e6-96231b3b80d8

MERGE_VALUES unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34750 91177308-0d34-0410-b5e6-96231b3b80d8

fastcc -> fastcall

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34749 91177308-0d34-0410-b5e6-96231b3b80d8

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

fastcc -> fastcall

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34747 91177308-0d34-0410-b5e6-96231b3b80d8

fastcc -> fastcall

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34746 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

Make APInt a little more friendly to its users:
  * Add support for + and - of a uint64_t.
  * Make trunc/sext/zext return *this so it can be chained with other ops
  * Add smin, smax, umin, umax functions for getting min/max values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34742 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo, thanks Bill!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34741 91177308-0d34-0410-b5e6-96231b3b80d8

More Mach-O writer improvements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34740 91177308-0d34-0410-b5e6-96231b3b80d8

use high-level functions in CCState

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34739 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

add methods to analyze calls and formals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34736 91177308-0d34-0410-b5e6-96231b3b80d8

add a newline at end of file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34735 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

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

rearrange code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34731 91177308-0d34-0410-b5e6-96231b3b80d8

remove fastcc (not fastcall) support

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34730 91177308-0d34-0410-b5e6-96231b3b80d8

switch LowerCCCArguments over to using autogenerated CC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34729 91177308-0d34-0410-b5e6-96231b3b80d8

simplify sret handling

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34728 91177308-0d34-0410-b5e6-96231b3b80d8

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

rename stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34726 91177308-0d34-0410-b5e6-96231b3b80d8

rename some CCActions, add CCIfInReg

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34725 91177308-0d34-0410-b5e6-96231b3b80d8

rename some CCActions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34724 91177308-0d34-0410-b5e6-96231b3b80d8

correct dependency

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34723 91177308-0d34-0410-b5e6-96231b3b80d8

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

make subtarget references work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34721 91177308-0d34-0410-b5e6-96231b3b80d8

implement CCPromoteToType

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34720 91177308-0d34-0410-b5e6-96231b3b80d8

Describe how arbitrary precision integers are written to the bytecode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34719 91177308-0d34-0410-b5e6-96231b3b80d8

Implement reading of arbitrary precision integers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34718 91177308-0d34-0410-b5e6-96231b3b80d8

Implement writing of arbitrary precision integers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34717 91177308-0d34-0410-b5e6-96231b3b80d8

Regenerate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34716 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

getActiveWords should return the number of words, not the index of the
highest active words. Increment its result by one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34713 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

Fix test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34710 91177308-0d34-0410-b5e6-96231b3b80d8

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

Start making use of RegScavenger.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34708 91177308-0d34-0410-b5e6-96231b3b80d8

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

MRegisterInfo disowns RegScavenger. It's immutable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34706 91177308-0d34-0410-b5e6-96231b3b80d8

Join two lines that can be joined.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34705 91177308-0d34-0410-b5e6-96231b3b80d8

Add some syntactic sugar.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34704 91177308-0d34-0410-b5e6-96231b3b80d8

Pull out the stops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34703 91177308-0d34-0410-b5e6-96231b3b80d8

Remove some redundancy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34702 91177308-0d34-0410-b5e6-96231b3b80d8

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

Some more code clean up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34700 91177308-0d34-0410-b5e6-96231b3b80d8

reenable generation of CC info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34699 91177308-0d34-0410-b5e6-96231b3b80d8

Oops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34698 91177308-0d34-0410-b5e6-96231b3b80d8

reapply

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34697 91177308-0d34-0410-b5e6-96231b3b80d8

*** empty log message ***

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34696 91177308-0d34-0410-b5e6-96231b3b80d8

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

Back out previous commit temporarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34694 91177308-0d34-0410-b5e6-96231b3b80d8

Backing out
CodeGenTarget.cpp updated: 1.82 -> 1.83
Record.cpp updated: 1.55 -> 1.56
Record.h updated: 1.59 -> 1.60
TableGen.cpp updated: 1.47 -> 1.48
It's missing CallingConvEmitter.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34693 91177308-0d34-0410-b5e6-96231b3b80d8

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

Let MRegisterInfo now owns RegScavenger.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34691 91177308-0d34-0410-b5e6-96231b3b80d8

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

Let MRegisterInfo owns RegScavenger.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34689 91177308-0d34-0410-b5e6-96231b3b80d8

Pass IsImp, IsKill, and IsDead to ChangeToRegister.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34688 91177308-0d34-0410-b5e6-96231b3b80d8

This test passes on x86/Linux now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34686 91177308-0d34-0410-b5e6-96231b3b80d8

implement CCMatchIfCC in terms of CCMatchIf

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34685 91177308-0d34-0410-b5e6-96231b3b80d8

build cc info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34684 91177308-0d34-0410-b5e6-96231b3b80d8

target for generating CC info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34683 91177308-0d34-0410-b5e6-96231b3b80d8

initial support for calling convention generation, still unfinished.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34682 91177308-0d34-0410-b5e6-96231b3b80d8

Adjust to changes in the APInt interface.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34681 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

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

Update for constant folding now generating undef and overflow correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34676 91177308-0d34-0410-b5e6-96231b3b80d8

Shifting by the bit width now produces undef, not 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34675 91177308-0d34-0410-b5e6-96231b3b80d8

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

Allow the RoundDoubleToAPInt function to specify a width to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34672 91177308-0d34-0410-b5e6-96231b3b80d8

a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34670 91177308-0d34-0410-b5e6-96231b3b80d8

Make getPassManagerType() const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34669 91177308-0d34-0410-b5e6-96231b3b80d8

Fix parenthesis for BCTRL_{ELF|Macho} test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34668 91177308-0d34-0410-b5e6-96231b3b80d8

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

Duplicate use of LR, take 2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34666 91177308-0d34-0410-b5e6-96231b3b80d8

Added myself

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34665 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

Get rid of extraneous // in file comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34662 91177308-0d34-0410-b5e6-96231b3b80d8

Add calling convention info

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34661 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

fill in some holes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34658 91177308-0d34-0410-b5e6-96231b3b80d8

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

Minor refactoring of CC Lowering interfaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34656 91177308-0d34-0410-b5e6-96231b3b80d8

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

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

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

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

XFAIL this on x86-Linux until its fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34651 91177308-0d34-0410-b5e6-96231b3b80d8

Remove test cases that produce undefined results.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34650 91177308-0d34-0410-b5e6-96231b3b80d8

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