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861 Commits

Author SHA1 Message Date
Evan Cheng
106e8020bd Change unfoldMemoryOperand(). User is now responsible for passing in the 
register used by the unfolded instructions. User can also specify whether to
unfold the load, the store, or both.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-13 02:35:06 +00:00
Arnold Schwaighofer
48abc5cf6b Corrected many typing errors. And removed 'nest' parameter handling 
for fastcc from X86CallingConv.td.  This means that nested functions
are not supported for calling convention 'fastcc'.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42934 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-12 21:30:57 +00:00
Arnold Schwaighofer
c85e1716f0 Added tail call optimization to the x86 back end. It can be 
enabled by passing -tailcallopt to llc.  The optimization is
performed if the following conditions are satisfied:
* caller/callee are fastcc
* elf/pic is disabled OR
  elf/pic enabled + callee is in module + callee has
  visibility protected or hidden


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42870 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-11 19:40:01 +00:00
Bill Wendling
1c08eba3fb Fix 80-column violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42823 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-10 05:45:59 +00:00
Dan Gohman
cdf2b3b2f8 Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42747 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-08 15:08:41 +00:00
Evan Cheng
66f0f64082 - Added a few target hooks to generate load / store instructions from / to any 
address (not just from / to frameindexes).
- Added target hooks to unfold load / store instructions / SDNodes into separate
load, data processing, store instructions / SDNodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42621 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-05 01:32:41 +00:00
Dale Johannesen
3b5b4cd1a5 Add getABITypeSize, getABITypeSizeInBits 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42488 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-10-01 16:03:14 +00:00
Evan Cheng
e5f6204cd5 Enabling new condition code modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42459 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-29 00:00:36 +00:00
Dan Gohman
82482944ed TargetAsmInfo::getAddressSize() was incorrect for x86-64 and 64-bit targets 
other than PPC64. Instead of fixing it, just remove it and fix all the
places that use it to use TargetData::getPointerSize() instead, as there
aren't very many. Most of the references were in DwarfWriter.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:12:31 +00:00
Evan Cheng
ff11026575 - Added MRegisterInfo::getCrossCopyRegClass() hook. For register classes where reg to reg copies are not possible, this returns another register class which registers in the specified register class can be copied to (and copy back from). 
- X86 copyRegToReg() now supports copying between EFLAGS and GR32 / GR64 registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:31:07 +00:00
Evan Cheng
9efce638d3 Allow copyRegToReg to emit cross register classes copies. 
Tested with "make check"!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:25:56 +00:00
Evan Cheng
a3602685b3 New temporary option -new-cc-modeling-scheme to test the new cc modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:50:04 +00:00
Dan Gohman
72252732c8 Merge hasDotLoc and hasDotFile into hasDotLocAndDotFile since .loc and .file 
aren't really usable without each other. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42274 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 21:09:53 +00:00
Dale Johannesen
f1fc3a8fa6 Fix PR 1681. When X86 target uses +sse -sse2, 
keep f32 in SSE registers and f64 in x87.  This
is effectively a new codegen mode.
Change addLegalFPImmediate to permit float and
double variants to do different things.
Adjust callers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42246 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-23 14:52:20 +00:00
Evan Cheng
a3ca3149f2 Add CopyCost to TargetRegisterClass. This specifies the cost of copying a value 
between two registers in the specific class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42123 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-19 01:35:01 +00:00
Evan Cheng
ffddf97e5d Added getNumDefs(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41901 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-13 00:16:29 +00:00
Bill Wendling
4e319a30ba Add accessor method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 17:24:38 +00:00
Bill Wendling
ef4a661725 Add a bool to indicate if we should set the "indirect encoding" bit in the Dwarf 
information for EH.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 17:20:55 +00:00
Bill Wendling
d60da495cd The personality function on Darwin needs a global stub. We then refer to 
that global stub instead of doing the ".set" thingy we were doing before.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41838 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-11 08:27:17 +00:00
Rafael Espindola
588af2fb99 Add support for having different alignment for objects on call frames. 
The x86-64 ABI states that objects passed on the stack have
8 byte alignment. Implement that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41768 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-07 14:52:14 +00:00
Owen Anderson
718cb665ca Add lengthof and endof templates that hide a lot of sizeof computations. 
Patch by Sterling Stein!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-07 04:06:50 +00:00
Evan Cheng
35b35c5c32 Add a variant of foldMemoryOperand to fold any load / store, not just load / store from / to stack slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41597 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 05:52:20 +00:00
Dale Johannesen
f04afdbb48 Change LegalFPImmediates to use APFloat. 
Add APFloat interfaces to ConstantFP, SelectionDAG.
Fix integer bit in double->APFloat conversion.
Convert LegalizeDAG to use APFloat interface in
ConstantFPSDNode uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41587 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-30 00:23:21 +00:00
Dan Gohman
81975f6dfd Add explicit keywords and remove spurious trailing semicolons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41482 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-27 14:50:10 +00:00
Chris Lattner
48884cd80b rename isOperandValidForConstraint to LowerAsmOperandForConstraint, 
changing the interface to allow for future changes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-25 00:47:38 +00:00
Rafael Espindola
21485be444 Partial implementation of calling functions with byval arguments: 
*) The needed information is propagated to the DAG
 *) The X86-64 backend detects it and aborts


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41179 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-20 15:18:24 +00:00
Reid Spencer
276222a5ae Change casts from old style to new style. This helps document the details 
better, gives the compiler a chance to validate the cast and reduces warnings
if the user turns on -Wold-style-cast option.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41033 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-12 08:12:35 +00:00
Christopher Lamb
8b165731bc Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in LowerSubregs and add more debugging output there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41005 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-10 21:11:55 +00:00
Dale Johannesen
ab081c7195 Update per review comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40965 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 17:27:48 +00:00
Dale Johannesen
5411a3937f long double 9 of N. This finishes up the X86-32 bits 
(constants are still not handled).  Adds ConvertActions
to control fp-to-fp conversions (these are currently
defaulted for all other targets, so no changes there).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-09 01:04:01 +00:00
Reid Spencer
181b6c9cb5 Fix minor doxygen nits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40854 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-05 20:06:04 +00:00
Evan Cheng
b5910820ce Added TargetInstrDescriptor::numDefs - num of results. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40709 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-02 00:20:17 +00:00
Dan Gohman
c2bbfc18e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 15:32:29 +00:00
Dan Gohman
06dd2a68e1 Fix the comments for the 'fast' parameter in addPassesToEmitFile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40592 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 15:04:59 +00:00
Dan Gohman
fb71d38247 Fix the comment for getClosestTargetForJIT to reflect the fact that 
it does not have a Module parameter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40590 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 14:58:59 +00:00
Dan Gohman
f452207d20 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40589 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 14:51:59 +00:00
Duncan Sands
36397f5034 Support for trampolines, except for X86 codegen which is 
still under discussion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40549 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-27 12:58:54 +00:00
Christopher Lamb
1367fd09cb Have register info provide the inverse mapping of register->superregisters. PR1350 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40519 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-26 08:01:58 +00:00
Christopher Lamb
08d52071ba Add target independent MachineInstr's to represent subreg insert/extract in MBB's. PR1350 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40518 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-26 07:48:21 +00:00
Evan Cheng
8bd6035750 Added -print-emitted-asm to print out JIT generated asm to cerr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40123 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-20 21:56:13 +00:00
Dan Gohman
07a96765da Fix comments about vectors to use the current wording. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39921 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-16 14:29:03 +00:00
Anton Korobeynikov
2365f51ed0 Long live the exception handling! 
This patch fills the last necessary bits to enable exceptions
handling in LLVM. Currently only on x86-32/linux.

In fact, this patch adds necessary intrinsics (and their lowering) which
represent really weird target-specific gcc builtins used inside unwinder.

After corresponding llvm-gcc patch will land (easy) exceptions should be
more or less workable. However, exceptions handling support should not be 
thought as 'finished': I expect many small and not so small glitches
everywhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@39855 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-14 14:06:15 +00:00
Evan Cheng
ed80ef6089 Add OptionalDefOperand. Remove clobbersPred. Also add DefinesPredicate to be used by if-converter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38499 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-10 18:06:29 +00:00
Dan Gohman
2c8c3e2e31 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38456 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-09 15:15:24 +00:00
Dan Gohman
d8ebb3a0c2 Remove redundant declarations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37946 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-06 13:59:28 +00:00
Dan Gohman
b6f5b00c3b Add new TargetLowering code to provide the final register type that an 
illegal value type will be transformed to, for code that needs the
register type after all transformations instead of just after the first
transformation.

Factor out the code that uses this information to do copy-from-regs and
copy-to-regs for various purposes into separate functions so that they
are done consistently.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37781 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-28 23:29:44 +00:00
Dan Gohman
6595cb3000 Rename ("shrinkify") MVT::isExtendedValueType to MVT::isExtendedVT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37758 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-27 16:08:04 +00:00
Evan Cheng
c33aa47130 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37741 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 21:19:07 +00:00
Evan Cheng
c4f2fe0694 Add immediate sub-registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37738 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 20:59:16 +00:00
Dan Gohman
4d2a0f5bd6 Replace ?: with if statements, for clarity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37735 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-26 16:19:08 +00:00