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Author SHA1 Message Date
Anton Korobeynikov 9bf41effc4 Drop unused variable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55901 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:22:38 +00:00
Anton Korobeynikov 28b1deac2c We do support EH on x86-64! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55900 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:22:16 +00:00
Anton Korobeynikov 302affbc53 First draft of EH support on x86/64-linux 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55899 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:21:53 +00:00
Anton Korobeynikov 559189e0ac Implement FRAME_TO_ARGS_OFFSET for x86-64 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55898 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:21:10 +00:00
Rafael Espindola 1db6a2bac8 Add testcase from bug 2770. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55897 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:17:54 +00:00
Duncan Sands a9c3251e6b Update the callgraph correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55896 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:08:09 +00:00
Duncan Sands 34c8847b2d Update the callgraph correctly in ArgumentPromotion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55895 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:07:35 +00:00
Duncan Sands d7b9851c4e Reapply 55859. This doesn't change anything as 
long as the callgraph is correct.  It checks
for wrong callgraphs more strictly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55894 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 11:05:51 +00:00
Evan Cheng 98d2d07d41 Correctly handle physical register inputs. They are not explicit input operands in the resulting machine instrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55893 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 08:39:33 +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 24e3a90904 Add support to extend call operands when needed. Enable x86 fastisel call support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55891 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 06:35:17 +00:00
Bill Wendling 9a0d1ba051 Revert my previous change -- the subtraction of two constants was a no-op 
before. This is taken care of in the selection DAG pass. In my opinion, this
should be in one place or the other. I.e., it should probably be removed from
the DAG combiner (along with the other arithmetic transformations on constants
that are essentially no-ops).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55889 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 01:56:32 +00:00
Bill Wendling ca460d5a39 Convert 
// fold (sub c1, c2) -> c1-c2

from a no-op into an actual transformation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55886 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 11:34:47 +00:00
Bill Wendling c7e4c4dd3a Clean up CSS validator errors: 'Property align doesn't exist : center' 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55885 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 10:29:20 +00:00
Bill Wendling e36dccc9b5 Formatting changes. to make the information cleaner. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55884 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 10:26:33 +00:00
Duncan Sands 4cddaf77c4 Correct a comment and strip trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55883 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:54:09 +00:00
Evan Cheng f3d4efe30c Initial fastisel call support for C, Fast, and X86_FastCall calling conventions. It's meant to handle "simple" calls, i.e. no byval, structret, etc. It doesn't support multi-result returns either. 
Not yet turned on, it needs to support sext / zext of arguments and result.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55882 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:09:33 +00:00
Evan Cheng e9ac9e6b7d Some code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55881 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:07:23 +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
Evan Cheng c7fcfa07d9 - Doh. Pass vector by value is bad. 
- Add a AnalyzeCallResult specialized for calls which produce a single value. This is used by fastisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55879 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:02:18 +00:00
Evan Cheng e3e3626338 Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55878 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:00:57 +00:00
Evan Cheng 10a8d9c737 Handle x86 truncate to i8 with target hook for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55877 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 08:47:42 +00:00
Evan Cheng d07b46e908 Fix indentation of generated code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55876 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 08:23:06 +00:00
Evan Cheng 34fc6ceb73 Ignore multi-instruction patterns. e.g. 
def : Pat<(i8 (trunc GR32:$src)),
          (i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55875 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 08:19:51 +00:00
Nuno Lopes b9baf31679 fix crash when the malloc/free function is defined or is a declaration with 0 parameters. 
this pass doesnt seem to be used, but still it's now a little more correct

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55873 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 17:44:06 +00:00
Duncan Sands fec2c2bf5e When PruneEH turned an invoke into an ordinary 
call (thus changing the call site) it didn't
inform the callgraph about this.  But the
call site does matter - as shown by the testcase,
the callgraph become invalid after the inliner
ran (with an edge between two functions simply
missing), resulting in wrong deductions by
GlobalsModRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55872 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 17:19:29 +00:00
Owen Anderson 3b217c6f5c Fix constant pool loads, and remove broken versions of addConstantPoolReference. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55868 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 01:11:01 +00:00
Owen Anderson 99d6dca2f8 Fix the X86 addConstantPoolReference, which had the operands in the wrong order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55867 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-06 00:50:00 +00:00
Dale Johannesen 853244f8a6 Next limited float precision expansion (log2 12 bits) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55866 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:49:37 +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
Eli Friedman d0c0fae63b Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x 
i32>.  This is a little messy, but it works.

We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55864 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:07:03 +00:00
Dan Gohman 8a11053f3c Move the code that inserts copies for function livein registers 
out of ScheduleDAGEmit.cpp and into SelectionDAGISel.cpp. This
allows it to be run exactly once per function, even if multiple
SelectionDAG iterations happen in the entry block, as may happen
with FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 22:59:21 +00:00
Devang Patel bcc11d2a71 Remove unused map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55861 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:55:33 +00:00
Dale Johannesen 54d9f98a56 Mark math lib intrinsics readonly, on the grounds 
that they read the rounding mode.  This is conservatively
correct, which they weren't before.  We can do more
optimization on these if we actually model the rounding
mode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55860 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:49:30 +00:00
Duncan Sands c94fe21a56 Delete the removeCallEdgeTo callgraph method, 
because it does not maintain a correct list
of callsites.  I discovered (see following
commit) that the inliner will create a wrong
callgraph if it is fed a callgraph with
correct edges but incorrect callsites.  These
were created by Prune-EH, and while it wasn't
done via removeCallEdgeTo, it could have been
done via removeCallEdgeTo, which is an accident
waiting to happen.  Use removeCallEdgeFor
instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55859 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:43:04 +00:00
Duncan Sands f8e3541990 Prevent our own passes from promoting this to 
readonly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55858 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:34:32 +00:00
Dan Gohman f58cb6d224 Fix X86FastISel's shift and select code to reject illegal types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55857 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:27:34 +00:00
Dale Johannesen 852680a8fa Add the next limited-precision expansion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55856 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:27:19 +00:00
Dan Gohman 31d26912cc Fix the opcodes used by X86FastISel for shifts and conditional moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55855 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:13:04 +00:00
Evan Cheng 0de588fd89 Factor out code that emits load and store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55854 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:00:03 +00:00
Owen Anderson 9c7216f984 Rename method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55853 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 20:49:33 +00:00
Evan Cheng 7f132122c8 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55849 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 20:04:37 +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
Dale Johannesen 59e577f73c Add hooks for other intrinsics to get low-precision expansions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55845 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:38:42 +00:00
Dan Gohman c39f4dba1c X86FastISel support for shifts and conditional moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55844 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:30:08 +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 be0034e3c2 Revert r55817. It broke PIC. FastISel will need to find a different 
approach here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55842 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:13:01 +00:00
Evan Cheng e2471a9169 If SSE2 is available, x86 should pass first 3 f32/f64 arguments in XMM registers for fastcc calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55840 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 17:24:07 +00:00
Evan Cheng c89d2feb35 Add a variant of AnalyzeCallOperands that can be used by fast isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55838 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 16:59:26 +00:00
Duncan Sands 6f0a7687ab Use removeAllCalledFunctions rather than removing 
edges one by one by hand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55836 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 14:56:53 +00:00