Commit Graph

18 Commits

Author SHA1 Message Date
Duncan Sands
83ec4b6711 Wrap MVT::ValueType in a struct to get type safety
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-06 12:08:01 +00:00
Anton Korobeynikov
67073f1cbd Add new CC lowering rule: provide a list of registers, which can be 'shadowed',
when some another register is used for argument passing.
Currently is used on Win64.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49079 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-02 05:23:57 +00:00
Duncan Sands
276dcbdc8d Introduce a new node for holding call argument
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
2008-03-21 09:14:45 +00:00
Dale Johannesen
b8cafe3427 Increase ISD::ParamFlags to 64 bits. Increase the ByValSize
field to 32 bits, thus enabling correct handling of ByVal
structs bigger than 0x1ffff.  Abstract interface a bit.
Fixes gcc.c-torture/execute/pr23135.c and 
gcc.c-torture/execute/pr28982b.c in gcc testsuite (were ICE'ing
on ppc32, quietly producing wrong code on x86-32.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48122 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-10 02:17:22 +00:00
Evan Cheng
6bfa8a121d Rename CCIfStruct to CCIfByVal and CCStructAssign to CCPassByVal. Remove unused parameters of CCStructAssign and add size and alignment requirement info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45997 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-15 03:34:58 +00:00
Evan Cheng
5daafa9b1b Revert my last commit. Not needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45994 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-15 03:10:35 +00:00
Evan Cheng
01b8fccca0 ByVal arguments are passed on stack. Make sure to allocate a slot using size and alignment information on the parameter attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45897 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-12 01:07:41 +00:00
Chris Lattner
3060910e29 remove attributions from utils.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45419 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 20:37:13 +00:00
Duncan Sands
87b665d3de Eliminate the recently introduced CCAssignToStackABISizeAlign
in favour of teaching CCAssignToStack that size 0 and/or align
0 means to use the ABI values.  This seems a neater solution.
It is safe since no legal value type has size 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44107 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-14 08:29:13 +00:00
Dale Johannesen
e3ef744d3e Add CCAssignToStackABISizeAlign for convenience in
dealing with types whose size & alignment are
different on different subtargets.  Use it for x86 f80.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43988 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-10 22:07:15 +00:00
Rafael Espindola
594d37e21a propagate struct size and alignment of byval arguments to the DAG
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-10 14:44:42 +00:00
Rafael Espindola
1aa7efbd2c Add the byval attribute
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37940 91177308-0d34-0410-b5e6-96231b3b80d8
2007-07-06 10:57:03 +00:00
Anton Korobeynikov
d0b82b301d Refactoring of formal parameter flags. Enable properly use of
zext/sext/aext stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35008 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-07 16:25:09 +00:00
Anton Korobeynikov
1d9baccc9b Use new SDIselParamAttr enumeration. This removes "magick" constants
from formal attributes' flags processing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34963 91177308-0d34-0410-b5e6-96231b3b80d8
2007-03-06 08:12:33 +00:00
Chris Lattner
e3bab80e33 rename some CCActions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34724 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 05:29:06 +00:00
Chris Lattner
2092c8ac9c implement CCPromoteToType
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34720 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-28 04:43:48 +00:00
Chris Lattner
50d456539d reapply
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34697 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:08:27 +00:00
Chris Lattner
88ee2a18a7 *** empty log message ***
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34696 91177308-0d34-0410-b5e6-96231b3b80d8
2007-02-27 22:05:51 +00:00