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Author SHA1 Message Date
Eric Christopher
d8a89e8737 Simple branch instruction support. 
llvm-svn: 112923
 2010-09-03 00:35:47 +00:00
Jakob Stoklund Olesen
b7bd26db67 Don't call Predicate_* from X86 target. 
llvm-svn: 112921
 2010-09-03 00:35:18 +00:00
Jakob Stoklund Olesen
216f6cc9ae Remove Predicate_* calls from MBlaze and XCore 
llvm-svn: 112920
 2010-09-03 00:35:16 +00:00
Jakob Stoklund Olesen
44d7693fdc Remove Predicate_* calls from Mips 
llvm-svn: 112919
 2010-09-03 00:35:13 +00:00
Eric Christopher
3adad3b492 Add basic support for materializing constants (including fp) and 
stores.

llvm-svn: 112912
 2010-09-02 23:43:26 +00:00
Chris Lattner
4062754b22 update one more test 
llvm-svn: 112910
 2010-09-02 23:32:55 +00:00
Chris Lattner
e2ef5b78ff this is a release note worthy change. 
llvm-svn: 112907
 2010-09-02 23:22:50 +00:00
Chris Lattner
ee42f75f8b add a new "llvm-dis -show-annotations" option, which causes it to print 
#uses comments, with a testcase.

llvm-svn: 112906
 2010-09-02 23:21:44 +00:00
Chris Lattner
0f0c0967e4 lets get crazy and name the header file the exact class name, 
not a scrunched version of it.

llvm-svn: 112904
 2010-09-02 23:09:42 +00:00
Chris Lattner
a06feeb64b AsmPrinter has a formatted stream, pass it down through AsmAnnotationWriter 
llvm-svn: 112903
 2010-09-02 23:07:12 +00:00
Anton Korobeynikov
32cecc0ecc Properly emit __chkstk call instead of __alloca on non-mingw windows targets. 
Patch by Cameron Esfahani!

llvm-svn: 112902
 2010-09-02 23:03:46 +00:00
Chris Lattner
d0dce46416 stop forcing a noop AssemblyAnnotationWriter to silence #uses 
comments, these don't happen anymore.

llvm-svn: 112901
 2010-09-02 23:03:10 +00:00
Devang Patel
e431686861 There is no need to use .set here. 
Thanks Chris!

llvm-svn: 112900
 2010-09-02 23:01:10 +00:00
Chris Lattner
fad92eae5f reapply 112894: 
Remove #uses comments from functions: they we're padded out to column 50
and were potentially confusing for externally visible functions.

going further, remove the "<i8**> [#uses=3]" comments entirely. They
add a lot of noise, confuse people about what the IR is, and don't add 
any particular value.  When the types are long it makes it really really
hard to read IR.

If someone is interested in this sort of thing, the right way to do this
is to implement an AsmAnnotationWriter that produces the same output, and
add a flag to llvm-dis (only) to produce this output.

llvm-svn: 112899
 2010-09-02 22:52:10 +00:00
Bruno Cardoso Lopes
9c1614674a Move insertps mask decoding to header file 
llvm-svn: 112896
 2010-09-02 22:43:39 +00:00
Chris Lattner
fb0dc5c3ba revert patch, need to update clang tests too 
llvm-svn: 112895
 2010-09-02 22:42:07 +00:00
Chris Lattner
ae715d8b70 Remove #uses comments from functions: they we're padded out to column 50 
and were potentially confusing for externally visible functions.

going further, remove the "<i8**> [#uses=3]" comments entirely. They
add a lot of noise, confuse people about what the IR is, and don't add 
any particular value.  When the types are long it makes it really really
hard to read IR.

If someone is interested in this sort of thing, the right way to do this
is to implement an AsmAnnotationWriter that produces the same output, and
add a flag to llvm-dis (only) to produce this output.

llvm-svn: 112894
 2010-09-02 22:41:24 +00:00
Chris Lattner
a1691fc6cb more test cleanup 
llvm-svn: 112892
 2010-09-02 22:38:56 +00:00
Chris Lattner
238f46d92e remove some noise from tests. 
llvm-svn: 112889
 2010-09-02 22:35:33 +00:00
Dan Gohman
603d00d632 Use the FindProgramByName fallback only with known absolute paths. 
I wasn't able to convince myself that all GetMainExecutable
implementations always return absolute paths; this prevents
unexpected behavior in case they ever don't.

llvm-svn: 112888
 2010-09-02 22:32:38 +00:00
Chris Lattner
2fe6cd2026 we are past the point where these tests are useful. 
llvm-svn: 112887
 2010-09-02 22:32:02 +00:00
Bill Wendling
b601685422 Revert int_x86_mmx_palignr_b intrinsic to match llvm-gcc's version. 
llvm-svn: 112886
 2010-09-02 22:31:53 +00:00
Anton Korobeynikov
a65910e5ca Revert win64 changes. They seem to be incomplete 
llvm-svn: 112885
 2010-09-02 22:31:32 +00:00
Jim Grosbach
fb89154d21 For ARM stack frames that utilize variable sized objects and have either 
large local stack areas or require dynamic stack realignment, allocate a
base register via which to access the local frame. This allows efficient
access to frame indices not accessible via the FP (either due to being out
of range or due to dynamic realignment) or the SP (due to variable sized
object allocation). In particular, this greatly improves efficiency of access
to spill slots in Thumb functions which contain VLAs.

rdar://7352504
rdar://8374540
rdar://8355680

llvm-svn: 112883
 2010-09-02 22:29:01 +00:00
Bill Wendling
55612891ec - Change __builtin_ia32_palignr intrinsic type to match the pattern in clang. 
- Add patterns to match the following MMX builtins:

   * __builtin_ia32_vec_init_v8qi
   * __builtin_ia32_vec_init_v4hi
   * __builtin_ia32_vec_init_v2si
   * __builtin_ia32_vec_ext_v2si

  These builtins do not correspond to a single MMX instruction. They will have
  to be lowered -- most likely in the back-end.

llvm-svn: 112881
 2010-09-02 22:26:35 +00:00
Chris Lattner
1edeb00c72 fix more AST updating bugs, correcting miscompilation in PR8041 
llvm-svn: 112878
 2010-09-02 22:19:10 +00:00
Owen Anderson
1abc937731 Remove incorrect and poorly tested code for trying to reason about values on default edges of 
switches.  Just return the conservatively correct answer.

llvm-svn: 112876
 2010-09-02 22:16:52 +00:00
Anton Korobeynikov
339ab60a5b Properly allocate win64 shadow reg area. 
Patch by Jan Sjodin!

llvm-svn: 112875
 2010-09-02 22:16:28 +00:00
Dan Gohman
81f9434e99 Remove obsolete comments about throwing exceptions. 
llvm-svn: 112874
 2010-09-02 22:14:51 +00:00
John McCall
b91df6e799 After some discussion with djg, teach SmallVector to grow from a zero 
capacity and remove the workaround in SmallVector<T,0>.  There are some
theoretical benefits to a N->2N+1 growth policy anyway.

llvm-svn: 112870
 2010-09-02 21:55:03 +00:00
Bruno Cardoso Lopes
c24f2a0880 Move decoding of insertps back to avoid unused warnings in x86 isel lowering, and fix movlhps/movhlps to decode 4 elements shuffles 
llvm-svn: 112869
 2010-09-02 21:51:11 +00:00
Devang Patel
5d3e68d22b Detect undef value early and save unnecessary NodeMap query. 
llvm-svn: 112864
 2010-09-02 21:29:42 +00:00
Dan Gohman
6824bfc554 Don't narrow the load and store in a load+twiddle+store sequence unless 
there are clearly no stores between the load and the store. This fixes
this miscompile reported as PR7833.

This breaks the test/CodeGen/X86/narrow_op-2.ll optimization, which is
safe, but awkward to prove safe. Move it to X86's README.txt.

llvm-svn: 112861
 2010-09-02 21:18:42 +00:00
Devang Patel
3080c6e860 Tidy up. 
llvm-svn: 112858
 2010-09-02 21:02:27 +00:00
Sandeep Patel
1c6b7d8a96 Fix an unnecessary XFAIL 
llvm-svn: 112853
 2010-09-02 20:19:24 +00:00
Jim Grosbach
cc8ceaca96 trailing whitespace 
llvm-svn: 112852
 2010-09-02 19:52:39 +00:00
Owen Anderson
86201cfdd9 Fix typo. I accidentally edited the wrong file before my last commit. 
llvm-svn: 112851
 2010-09-02 19:52:06 +00:00
Benjamin Kramer
dd16ed1618 Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky. 
llvm-svn: 112849
 2010-09-02 18:53:37 +00:00
Jim Grosbach
4d64fc98b6 remove trailing whitespace 
llvm-svn: 112847
 2010-09-02 18:44:51 +00:00
Bruno Cardoso Lopes
7132e91cdb Move x86 specific shuffle mask decoding to its own header, it's also going to be used elsewhere. Also trim trailing whitespaces 
llvm-svn: 112846
 2010-09-02 18:40:13 +00:00
Jim Grosbach
b35c81846b The scavenger should just use getAllocatableSet() rather than reinventing it 
locally.

llvm-svn: 112845
 2010-09-02 18:29:04 +00:00
Dan Gohman
7abb8df743 Apply a patch from Kees van Reeuwijk to add support for Minix. 
Minix apparently doesn't like double-slash separators, and there's
no apparent need for them here.

llvm-svn: 112844
 2010-09-02 18:24:46 +00:00
Owen Anderson
3206920eb2 Fix a bug in LazyValueInfo that CorrelatedValuePropagation exposed: In the LVI lattice, undef and the full set ConstantRange should not 
be treated as equivalent.

llvm-svn: 112843
 2010-09-02 18:23:58 +00:00
Jim Grosbach
ed278df6ec handle case where a register class is specified 
llvm-svn: 112842
 2010-09-02 18:18:52 +00:00
Jim Grosbach
8f30718112 Now that register allocation properly considers reserved regs, simplify the 
ARM register class allocation order functions to take advantage of that.

llvm-svn: 112841
 2010-09-02 18:14:29 +00:00
Dan Gohman
5cf037ea20 Add a comment. 
llvm-svn: 112836
 2010-09-02 17:35:10 +00:00
Benjamin Kramer
4d2c506037 Allow MCSA_WeakRef in ELF. Patch by Roman Divacky. 
llvm-svn: 112834
 2010-09-02 17:18:32 +00:00
Jim Grosbach
8a3babf59a Anti-dependency breaking needs to be careful not to use reserved regs 
llvm-svn: 112832
 2010-09-02 17:12:55 +00:00
Devang Patel
bbbd35d042 Fix .debug_range for linux. Patch by Krister Wombell. 
llvm-svn: 112830
 2010-09-02 16:43:44 +00:00
Jim Grosbach
4965868724 Mask out reserved registers when constructing the set of allocatable regs. 
llvm-svn: 112828
 2010-09-02 16:31:21 +00:00