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160 Commits

Author SHA1 Message Date
Chris Lattner
c5040ab606 optimize FastISel::UpdateValueMap to avoid duplicate map lookups, 
and make it return the assigned register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68888 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-12 07:45:01 +00:00
Dan Gohman
c6fa3ff0bd Revert r68847. It breaks the build on non-Darwin targets, with this message 
from the assembler:

Error: unknown pseudo-op: `.debug_inlined'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68863 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-11 15:57:04 +00:00
Devang Patel
2057532679 Keep track of inlined functions and their locations. This information is collected when nested llvm.dbg.func.start intrinsics are seen. (Right now, inliner removes nested llvm.dbg.func.start intrinisics during inlining.) 
Create debug_inlined dwarf section using these information. This info is used by gdb, at least on Darwin, to enable better experience debugging inlined functions. See DwarfWriter.cpp for more information on structure of debug_inlined section.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68847 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-11 00:16:47 +00:00
Devang Patel
923838533a Silence unused variable warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68735 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-09 23:45:17 +00:00
Devang Patel
b396992f68 llvm.dbg.func_start also defines beginning of function scope. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68727 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-09 21:42:11 +00:00
Dan Gohman
4fd552880c Don't attempt to handle aggregate argument values in FastISel; let 
SelectionDAG do those. This fixes PR3955.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68546 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-07 20:40:11 +00:00
Dan Gohman
474d3b3f40 Improve FastISel's handling of truncates to i1, and implement 
ptrtoint and inttoptr in X86FastISel. These casts aren't always
handled in the generic FastISel code because X86 sometimes needs
custom code to do truncation and zero-extension.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 23:53:06 +00:00
Dan Gohman
14ea1ec232 Fix FastISel's assumption that i1 values are always zero-extended 
by inserting explicit zero extensions where necessary. Included
is a testcase where SelectionDAG produces a virtual register
holding an i1 value which FastISel previously mistakenly assumed
to be zero-extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66941 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 20:42:20 +00:00
Bill Wendling
0582ae99ba Oops...I committed too much. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66867 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 04:39:26 +00:00
Bill Wendling
c7a09ab311 Temporarily XFAIL this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-13 04:37:11 +00:00
Bill Wendling
ccbdc7ab82 Pass in a std::string when getting the names of debugging things. This cuts down 
on the number of times a std::string is created and copied.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66396 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 05:04:40 +00:00
Evan Cheng
e3d423244a Clean up dwarf writer, part 1. This eliminated the horrible recursive getGlobalVariablesUsing and replaced it something readable. It eliminated use of slow UniqueVector and replaced it with StringMap, SmallVector, and DenseMap, etc. It also fixed some non-deterministic behavior. 
This is a very minor compile time win.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-25 07:04:34 +00:00
Bill Wendling
57f0db833d Overhaul my earlier submission due to feedback. It's a large patch, but most of 
them are generic changes.

- Use the "fast" flag that's already being passed into the asm printers instead
  of shoving it into the DwarfWriter.

- Instead of calling "MI->getParent()->getParent()" for every MI, set the
  machine function when calling "runOnMachineFunction" in the asm printers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-24 08:30:20 +00:00
Bill Wendling
5aa4977fba - Use the "Fast" flag instead of "OptimizeForSize" to determine whether to emit 
a DBG_LABEL or not. We want to fall back to the original way of emitting debug
  info when we're in -O0/-fast mode.
- Add plumbing in to pass the "Fast" flag to places that need it.
- XFAIL DebugInfo/deaddebuglabel.ll. This is finding 11 labels instead of 8. I
  need to investigate still.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65367 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-24 02:35:30 +00:00
Bill Wendling
92c1e12647 Revert this. It was breaking stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-13 02:16:35 +00:00
Bill Wendling
54fc7d6714 Turn off the old way of handling debug information in the code generator. Use 
the new way, where all of the information is passed on SDNodes and machine
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-13 02:01:04 +00:00
Chris Lattner
14c4c1ec0e make fast isel fall back to selectiondags for VLA llvm.declare intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-12 17:23:20 +00:00
Bill Wendling
9bc96a5720 Create DebugLoc information in FastISel. Several temporary methods were 
created. Specifically, those BuildMIs which use
"DebugLoc::getUnknownLoc()". I'll remove them soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63584 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-03 00:55:04 +00:00
Evan Cheng
536ab130ec Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-22 09:10:11 +00:00
Devang Patel
b79b5359fb Verify debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62545 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-19 23:21:49 +00:00
Devang Patel
cf3a4487c0 Validate dbg_* intrinsics before lowering them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62286 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 23:41:32 +00:00
Devang Patel
83489bb770 Use DebugInfo interface to lower dbg_* intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-13 00:35:13 +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
Dan Gohman
c8a1a3c426 Factor out the code for sign-extending/truncating gep indices 
and use it in x86 address mode folding. Also, make
getRegForValue return 0 for illegal types even if it has a
ValueMap for them, because Argument values are put in the
ValueMap. This fixes PR3181.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-08 07:57:47 +00:00
Evan Cheng
24ac408ce8 Eliminate some unused variable compile time warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59952 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-24 07:09:49 +00:00
Devang Patel
e75808cf3d Emit label for llvm.dbg.func.start of the inlined function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-06 21:28:20 +00:00
Dan Gohman
dd5b58ad7b FastISel support for exception-handling constructs. 
- Move the EH landing-pad code and adjust it so that it works
   with FastISel as well as with SDISel.
 - Add FastISel support for @llvm.eh.exception and
   @llvm.eh.selector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57539 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-14 23:54:11 +00:00
Chris Lattner
44d2a983b7 calls can be supported. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57428 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-13 01:59:13 +00:00
Dale Johannesen
23a98551ab Add a "loses information" return value to APFloat::convert 
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57329 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-09 23:00:39 +00:00
Dan Gohman
1e9e8c3bd5 Avoid emitting redundant materializations of integer constants 
for things like null pointers, which at this level aren't
different from regular integer constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57265 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-07 22:03:27 +00:00
Dan Gohman
91b6f97ce4 Implement fast-isel support for zero-extending from i1. 
It turns out that this is a fairly common operation,
and it's easy enough to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 01:28:47 +00:00
Dan Gohman
d98d6203e4 Optimize conditional branches in X86FastISel. This replaces 
sequences like this:
       sete    %al
       testb   %al, %al
       jne     LBB11_1
with this:
       je      LBB11_1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:15:21 +00:00
Dan Gohman
5ec9efd61b Move the primary fast-isel top-level comments to FastISel.cpp, where 
they'll be a little more visible. Also, update and reword them a bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-30 20:48:29 +00:00
Dan Gohman
5dd9c2e9ae Support for i1 XOR in FastISel. It is actually safe because 
i1 operands are assumed to already by zero-extended.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56615 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 17:22:52 +00:00
Dan Gohman
33134c4a75 FastISel support for debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56610 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 17:05:24 +00:00
Dan Gohman
dceffe66b9 Fix a recent fast-isel coverage regression - don't bail out before 
giving the target a chance to materialize constants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56605 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-25 01:28:51 +00:00
Dan Gohman
d57dd5f4e6 Arrange for FastISel code to have access to the MachineModuleInfo 
object. This will be needed to support debug info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-23 21:53:34 +00:00
Dan Gohman
2ff7fd1461 Refactor X86SelectConstAddr, folding it into X86SelectAddress. This 
results in better code for globals. Also, unbreak the local CSE for
GlobalValue stub loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56371 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-19 22:16:54 +00:00
Dan Gohman
8211648757 FastISel support for i1 constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56068 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 21:01:08 +00:00
Dan Gohman
0586d91bb3 Add X86FastISel support for static allocas, and refences 
to static allocas. As part of this change, refactor the
address mode code for laods and stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56066 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 20:11:02 +00:00
Owen Anderson
0d95267e49 Clean this up, based on Evan's suggestions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:47:17 +00:00
Owen Anderson
baf37cd556 Check for type legality before materializing integer constants in fast isel. With this change, 
all of MultiSource/Applications passes on Darwin/X86 under FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55982 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 06:32:02 +00:00
Evan Cheng
59fbc80f6b Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:26:59 +00:00
Evan Cheng
5960e4eb68 Add fast isel physical register definition support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 08:38:20 +00:00
Evan Cheng
f09917847b Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55880 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:04:52 +00:00
Owen Anderson
6e6074508c Revert r55859. This is breaking the build in the abscence of its companion commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55865 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:36:01 +00:00
Dan Gohman
638c6830c6 FastISel support for AND and OR with type i1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55846 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:44:22 +00:00
Dan Gohman
40b189e4e2 FastISel support for ConstantExprs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55843 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:18:20 +00:00
Dan Gohman
087c8507e5 FastISel support for unreachable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:08:41 +00:00
Owen Anderson
95267a1e67 Add initial support for selecting constant materializations that require constant 
pool loads on X86 in fast isel.  This isn't actually used yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 00:06:23 +00:00