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29 Commits

Author SHA1 Message Date
Eli Friedman
ed224949ed Handle void in XCoreTargetLowering::isLegalAddressingMode. Triggers in 
test/CodeGen/Generic.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76162 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-17 07:16:38 +00:00
Richard Osborne
db9e697725 Combine an unaligned store of unaligned load into a memmove. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75908 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 12:50:48 +00:00
Richard Osborne
787e90f862 Lower the threshold at which memcpy / memmove / memset stop being expanded 
inline in the XCore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75906 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 12:41:34 +00:00
Richard Osborne
ff4149b903 Fix typo in last commit on expansion of unaligned loads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75903 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 10:48:47 +00:00
Richard Osborne
ccb7e96ef0 Expand unaligned 32 bit loads from an address which is a constant 
offset from a 32 bit aligned base as follows:

  ldw low, base[offset >> 2]
  ldw high, base[(offset >> 2) + 1]
  shr low_shifted, low, (offset & 0x3) * 8
  shl high_shifted, high, 32 - (offset & 0x3) * 8
  or result, low_shifted, high_shifted

Expand 32 bit loads / stores with 16 bit alignment into two 16 bit
loads / stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75902 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 10:42:35 +00:00
Richard Osborne
7f47ce9662 Custom lower unaligned 32 bit stores and loads into libcalls. This is 
a big code size win since before they were expanding to upto 16
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75901 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-16 10:21:18 +00:00
Richard Osborne
3af282f16a Fix XCoreTargetLowering::isLegalAddressingMode to handle non simple VTs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75788 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-15 15:46:56 +00:00
Torok Edwin
c23197a26f llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-14 16:55:14 +00:00
Torok Edwin
c25e7581b9 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-11 20:10:48 +00:00
Owen Anderson
d1474d09cb Thread LLVMContext through MVT and related parts of SDISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75153 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-09 17:57:24 +00:00
Torok Edwin
dac237e182 Implement changes from Chris's feedback. 
Finish converting lib/Target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75043 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 20:53:28 +00:00
Torok Edwin
804e0fea40 Convert more abort() calls to llvm_report_error(). 
Also remove trailing semicolon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75027 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-08 19:04:27 +00:00
Bill Wendling
b4202b84d7 Update comments to make it clear that the function alignment is the Log2 of the 
bytes and not bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74624 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-01 18:50:55 +00:00
Bill Wendling
20c568f366 Add an "alignment" field to the MachineFunction object. It makes more sense to 
have the alignment be calculated up front, and have the back-ends obey whatever
alignment is decided upon.

This allows for future work that would allow for precise no-op placement and the
like.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74564 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-30 22:38:32 +00:00
Duncan Sands
777d2306b3 Rename PaddedSize to AllocSize, in the hope that this 
will make it more obvious what it represents, and stop
it being confused with the StoreSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71349 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 07:06:46 +00:00
Dale Johannesen
0b4581f16c missed file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64436 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-13 02:32:04 +00:00
Dan Gohman
1fdbc1dd4e Constify TargetInstrInfo::EmitInstrWithCustomInserter, allowing 
ScheduleDAG's TLI member to use const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-07 16:15:20 +00:00
Dale Johannesen
b300d2aa3e Get rid of the last non-DebugLoc versions of getNode! 
Many targets build placeholder nodes for special operands, e.g.
GlobalBaseReg on X86 and PPC for the PIC base.  There's no
sensible way to associate debug info with these.  I've left
them built with getNode calls with explicit DebugLoc::getUnknownLoc operands. 
I'm not too happy about this but don't see a good improvement;
I considered adding a getPseudoOperand or something, but it
seems to me that'll just make it harder to read.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63992 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-07 00:55:49 +00:00
Dale Johannesen
de06470330 Remove more non-DebugLoc versions of getNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-06 21:50:26 +00:00
Dale Johannesen
2fabcb2776 Get rid of 3 non-DebugLoc getNode variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63808 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 01:01:16 +00:00
Dale Johannesen
a05dca4f9e Remove non-DebugLoc forms of CopyToReg and CopyFromReg. 
Adjust callers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63789 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 23:02:30 +00:00
Dale Johannesen
33c960f523 Remove non-DebugLoc versions of getLoad and getStore. 
Adjust the many callers of those versions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63767 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-04 20:06:27 +00:00
Duncan Sands
ceb4d1aecb Rename getABITypeSize to getTypePaddedSize, as 
suggested by Chris.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62099 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-12 20:38:59 +00:00
Richard Osborne
269bc0042f Add support for ISD::TRAP to the XCore backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60479 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 10:59:16 +00:00
Duncan Sands
1607f05cb7 Change the interface to the type legalization method 
ReplaceNodeResults: rather than returning a node which
must have the same number of results as the original
node (which means mucking around with MERGE_VALUES,
and which is also easy to get wrong since SelectionDAG
folding may mean you don't get the node you expect),
return the results in a vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60348 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-01 11:39:25 +00:00
Duncan Sands
03228089d5 Rename SetCCResultContents to BooleanContents. In 
practice these booleans are mostly produced by SetCC,
however the concept is more general.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-23 15:47:28 +00:00
Richard Osborne
223fd6efc8 [XCore] Fix expansion of 64 bit add/sub. Don't custom expand 
these operations if ladd/lsub are not available on the current
subtarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 15:59:19 +00:00
Richard Osborne
1d8f975890 Add XCore intrinsics for getid (returns thread id) and bitrev (reverses 
bits in a word).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59296 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-14 10:12:16 +00:00
Richard Osborne
b25baef26f Add XCore backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58838 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-07 10:59:00 +00:00