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58636 Commits

Author SHA1 Message Date
Daniel Dunbar 1bd7171c95 MC: Sink code emitter into MCAssembler. 
llvm-svn: 98953
 2010-03-19 10:43:18 +00:00
Daniel Dunbar 79e0e5a631 MC/Mach-O: Move to MachObjectWriter.{h,cpp}. 
llvm-svn: 98952
 2010-03-19 10:43:15 +00:00
Daniel Dunbar c5084cccc8 MC: Add TargetAsmBackend::isVirtualSection hook. 
llvm-svn: 98950
 2010-03-19 09:29:03 +00:00
Daniel Dunbar f027abf7de MC: Split MCObjectWriter out of MCAssembler.cpp. 
llvm-svn: 98949
 2010-03-19 09:28:59 +00:00
Daniel Dunbar 49e5a8ac2a MCAssembler: Pull out MCObjectWriter class. 
llvm-svn: 98948
 2010-03-19 09:28:55 +00:00
Daniel Dunbar f0517efc6c MCAssembler: Move ApplyFixup to the TargetAsmBackend, this is a target specific not object writer specific task. 
llvm-svn: 98947
 2010-03-19 09:28:12 +00:00
Daniel Dunbar 3cab275783 MC/Mach-O: Lift the fixup evaluation and application up (to the same place), and eliminate MCAsmFixup::FixedValue. 
llvm-svn: 98944
 2010-03-19 07:09:47 +00:00
Daniel Dunbar d84d196a86 MC/Mach-O: Factor out ExecutePostLayoutBinding, to separate the post-layout changes the object writer may need to make to the assembler from the actual .o writing. 
llvm-svn: 98943
 2010-03-19 07:09:33 +00:00
Daniel Dunbar 563d40eda6 MC/Mach-O: Lift relocation emission logic a bit higher to separate evaluation / relocation handling from the actual .o writing. 
llvm-svn: 98942
 2010-03-19 07:09:18 +00:00
Jeffrey Yasskin 22a411ff5b Remove a memory leak from the CBackend. 
llvm-svn: 98941
 2010-03-19 07:06:46 +00:00
Chris Lattner 90a7859ebc fix an MCInstPrinter leak that jyasskin pointed out: 
createAsmStreamer now takes ownership of the instprinter.

llvm-svn: 98939
 2010-03-19 05:48:53 +00:00
Chris Lattner bb34b4e10f resolve fixme: we now infer the instruction-level 'isvariadic' bit 
from the pattern if present, and we use it instead of the bit.

llvm-svn: 98938
 2010-03-19 05:34:15 +00:00
Chris Lattner 0433699ef0 set SDNPVariadic on nodes throughout the rest of the targets that 
need them.

llvm-svn: 98937
 2010-03-19 05:33:51 +00:00
Jeffrey Yasskin 4822dfcc9a Remove a memory leak from ThumbTargetMachine. 
llvm-svn: 98936
 2010-03-19 05:25:28 +00:00
Chris Lattner 83aeaab462 add a new SDNPVariadic SDNP node flag, and use it in 
dag isel gen instead of instruction properties.  This
allows the oh-so-useful behavior of matching a variadic
non-root node.

llvm-svn: 98934
 2010-03-19 05:07:09 +00:00
Chris Lattner be6b17f927 rewrite EnforceSmallerThan to be less bone headed. 
llvm-svn: 98933
 2010-03-19 04:54:36 +00:00
Chris Lattner e5ac9382ce remove some damaged sign extend patterns that can never match. 
llvm-svn: 98932
 2010-03-19 04:53:47 +00:00
Chris Lattner 6d984166fc disable some illegal blackfin patterns. sext from i32 to i32 can never 
match.  Jakob, please take a look when you get a chance.

llvm-svn: 98931
 2010-03-19 04:53:21 +00:00
Chris Lattner 607795f917 comment out a bunch of parallel store patterns that apparently 
can't match or just have no testcases.  Will remove after 
confirmation from dan that they really are dead.

llvm-svn: 98930
 2010-03-19 04:14:21 +00:00
Daniel Dunbar 857955243e Fix -Asserts warnings. 
llvm-svn: 98928
 2010-03-19 03:18:23 +00:00
Daniel Dunbar ec71ba25e5 Fix -Asserts warning. 
llvm-svn: 98927
 2010-03-19 03:18:20 +00:00
Daniel Dunbar 0f7fbb3d00 MC/Mach-O: Add isScatteredFixupFullyResolved, which implements the correct algorithm (used on x86_64) for determining whether an evaluated fixup is fully resolved (doesn't need relocation). 
- Test cases will follow, once we have x86_64 relocation support.

llvm-svn: 98926
 2010-03-19 03:18:18 +00:00
Daniel Dunbar 6e13bb07fb MC/Mach-O/x86_64: Add getAtom[ForAddress]. 
- These find the defining symbol which identifies the containing atom for a symbol or address. They are currently very slow, but will be eliminated eventually.

llvm-svn: 98925
 2010-03-19 03:18:15 +00:00
Daniel Dunbar 5ec4bdd1b3 MC/Mach-O: Factor out isScatteredFixupFullyResolvedSimple predicate, and fix some corner cases. 
llvm-svn: 98924
 2010-03-19 03:18:12 +00:00
Daniel Dunbar c558ec211f MC/Mach-O: Factor out isSymbolLinkerVisible method; "linker visible" is a made up term to refer to non-temporary labels + temporary labels in sections-which-require symbols. For Darwin, it corresponds to symbols which effectively define an atom. 
llvm-svn: 98923
 2010-03-19 03:18:09 +00:00
Daniel Dunbar fab9b02fc8 Drop KLEE blurb, we don't have anything new. 
llvm-svn: 98922
 2010-03-19 03:18:05 +00:00
Mon P Wang 7ad43f8768 Fixed a widening bug where we were not using the correct size for the load 
llvm-svn: 98920
 2010-03-19 01:19:52 +00:00
Daniel Dunbar c9deca20e8 X86: Fix encoding for TEST64rr. 
llvm-svn: 98919
 2010-03-19 01:15:03 +00:00
Chris Lattner da5b4ad03e eliminate the last use of EEVT::isUnknown 
llvm-svn: 98918
 2010-03-19 01:14:27 +00:00
Jeffrey Yasskin fbd0109ca4 Remove `ignore` from LLVMC/TestWarnings.td. This avoids 
https://bugs.kde.org/show_bug.cgi?id=231257 and seems not to have been
needed in the first place.

llvm-svn: 98917
 2010-03-19 01:10:41 +00:00
Chris Lattner 1802b17b65 Finally change the instruction looking map to be a densemap from 
record* -> instrinfo instead of std::string -> instrinfo.

This speeds up tblgen on cellcpu from 7.28 -> 5.98s with a debug
build (20%).

llvm-svn: 98916
 2010-03-19 01:07:44 +00:00
Chris Lattner 4763dbeaf6 make inst_begin/inst_end iterate over InstructionsByEnumValue. 
Use CodeGenTarget::getInstNamespace in one place and fix it.

llvm-svn: 98915
 2010-03-19 01:00:55 +00:00
Chris Lattner 2d822ab185 revert 98912 
llvm-svn: 98914
 2010-03-19 00:50:47 +00:00
Chris Lattner 45e2fc5ac1 make inst_begin/inst_end iterate over InstructionsByEnumValue. 
llvm-svn: 98912
 2010-03-19 00:40:22 +00:00
Anton Korobeynikov 065232fcd1 FP16 constfolding 
llvm-svn: 98911
 2010-03-19 00:36:35 +00:00
Chris Lattner 918be520dc change Target.getInstructionsByEnumValue to return a reference 
to a vector that CGT stores instead of synthesizing it on every 
call.

llvm-svn: 98910
 2010-03-19 00:34:35 +00:00
Jeffrey Yasskin 1734e47d20 Revert r98892. BSD systems may not have bash installed at all. 
llvm-svn: 98909
 2010-03-19 00:32:11 +00:00
Chris Lattner c9ae94c793 factor copy and paste code. 
llvm-svn: 98908
 2010-03-19 00:23:20 +00:00
Chris Lattner 70eb897d7c don't go through getInstructions(). 
llvm-svn: 98906
 2010-03-19 00:18:23 +00:00
Jeffrey Yasskin 71bd0f4eda Bugpoint's default memory limit (100MB) was too low for valgrind, so 
this patch raises the default to 800MB when valgrind's active.  800
was chosen semi-arbitrarily.

llvm-svn: 98905
 2010-03-19 00:09:28 +00:00
Chris Lattner 9aec14b560 look up instructions by record, not by name. 
llvm-svn: 98904
 2010-03-19 00:07:20 +00:00
Chris Lattner 83facb0812 Now that tblgen can handle matching implicit defs of instructions 
to input patterns, we can fix X86ISD::CMP and X86ISD::BT as taking
two inputs (which have to be the same type) and *returning an i32*.
This is how the SDNodes get made in the graph, but we weren't able
to model it this way due to deficiencies in the pattern language.

Now we can change things like this:

 def UCOM_FpIr80: FpI_<(outs), (ins RFP80:$lhs, RFP80:$rhs), CompareFP,
-                  [(X86cmp RFP80:$lhs, RFP80:$rhs),
-                   (implicit EFLAGS)]>; // CC = ST(0) cmp ST(i)
+                  [(set EFLAGS, (X86cmp RFP80:$lhs, RFP80:$rhs))]>;

and fix terrible crimes like this:

-def : Pat<(parallel (X86cmp GR8:$src1, 0), (implicit EFLAGS)),
+def : Pat<(X86cmp GR8:$src1, 0),
           (TEST8rr GR8:$src1, GR8:$src1)>;

This relies on matching the result of TEST8rr (which is EFLAGS, which is
an implicit def) to the result of X86cmp, an i32.

llvm-svn: 98903
 2010-03-19 00:01:11 +00:00
Bob Wilson a4d86b63c7 Update comment to refer to the right filename. 
llvm-svn: 98902
 2010-03-18 23:57:57 +00:00
Chris Lattner 8e9b895c37 tidy up 
llvm-svn: 98901
 2010-03-18 23:57:57 +00:00
Chris Lattner 63a627cd88 expand tblgen's support for instructions with implicit defs. 
llvm-svn: 98900
 2010-03-18 23:57:40 +00:00
Chris Lattner fdc20711e8 infer results of a pattern from implicit defs. This allows you to do something 
like this:

 def : Pat<(add ...),
           (FOOINST)>;

When fooinst only has a single implicit def (e.g. to R1).  This will be handled
as if written as (set R1, (FOOINST ...))

llvm-svn: 98897
 2010-03-18 23:15:10 +00:00
Jeffrey Yasskin 3eb346caeb Work around a valgrind oddity where it doesn't pass the full path of a 
script to the #! command by using bash instead of /bin/sh.  Bash
searches $PATH for its script argument, but dash, which /bin/sh
resolves to on some systems, does not.
https://bugs.kde.org/show_bug.cgi?id=231257 tracks the valgrind
problem.

llvm-svn: 98892
 2010-03-18 22:56:02 +00:00
Anton Korobeynikov f11aa9e7b4 Get rid of target-specific fp <-> int nodes when still I'm here. 
llvm-svn: 98889
 2010-03-18 22:35:45 +00:00
Anton Korobeynikov 64578d5599 Get rid of target-specific nodes for fp16 <-> fp32 conversion. 
llvm-svn: 98888
 2010-03-18 22:35:37 +00:00
Anton Korobeynikov 422dd6608a Refactor Reg-Reg copy emission routine for ARM. This makes cross-regclass copies weirdness more straightforward. Also, add GPR <-> SPR copy support. 
llvm-svn: 98887
 2010-03-18 22:35:02 +00:00