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Author SHA1 Message Date
Jakob Stoklund Olesen
21f7902a89 Implement SystemZRegisterInfo::getMatchingSuperRegClass to enable cross-class joins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130857 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 19:02:04 +00:00
Jakob Stoklund Olesen
14c76fed2d FileCheckize and break dependence on coalescing order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130856 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 19:02:01 +00:00
Jakob Stoklund Olesen
f695b3ad62 Explicitly request -join-physregs for some tests that depend on it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130855 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 19:01:59 +00:00
Devang Patel
64915dec28 Do not emit location expression size twice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130854 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 19:00:57 +00:00
Rafael Espindola
6af0b762db Fix cmake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130850 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 18:46:56 +00:00
Akira Hatanaka
921c58b001 Remove LLVM IR metadata in test case committed in r130847. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130849 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 18:28:36 +00:00
Akira Hatanaka
6b7588e6c4 Prevent instructions using $gp from being placed between a jalr and the instruction that restores the clobbered $gp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130847 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 17:54:27 +00:00
Rafael Espindola
597a7664e1 Producing a DW_FORM_addr for DW_AT_stmt_list is probably correct, but 
it is both inefficient and unexpected by dwarfdump. Change to
a DW_FORM_data4.

While in here, change the predicate name to reflect that the position
is not really absolute (it is an offset), just that the linker needs a
relocation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130846 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 17:44:06 +00:00
Jakob Stoklund Olesen
9126601770 Rename -disable-physical-join to -join-physregs and invert it. 
Physreg joining is still on by default, but I will turn it off shortly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130844 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 16:45:05 +00:00
Devang Patel
a938dd0dc9 Tighten up check for empty (i.e. no meaningful debug info) module. This fixes dwarf-die2.c test case from gcc test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130842 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 16:34:02 +00:00
Duncan Sands
8140ad32ce Add variations on: max(x,y) >= min(x,z) folds to true. This isn't that common, 
but according to my super-optimizer there are only two missed simplifications
of -instsimplify kind when compiling bzip2, and this is one of them.  It amuses
me to have bzip2 be perfectly optimized as far as instsimplify goes!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130840 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 16:05:05 +00:00
Nick Lewycky
269687fa35 Emit gcov data files to the directory specified in the metadata produced by the 
frontend, if applicable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130835 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 04:03:04 +00:00
Nick Lewycky
d006ddc195 Fix crash when not setting GCOV_PREFIX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130834 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 03:58:45 +00:00
Bill Wendling
fffb61d042 Remove dead intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130831 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 02:40:54 +00:00
Andrew Trick
37da408758 indvars: Added DisableIVRewrite and WidenIVs. 
This adds functionality to remove size/zero extension during indvars
without generating a canonical IV and rewriting all IV users. It's
disabled by default so should have no effect on codegen. Work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130829 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 02:10:13 +00:00
Nick Lewycky
9f1569a3f7 The system suppression file should catch these, but since they *once again* are 
not, I'll just add them here and be done with it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130819 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:03:02 +00:00
Jakob Stoklund Olesen
20bc5acfb6 Don't depend on the physreg coalescing order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130818 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:47 +00:00
Jakob Stoklund Olesen
c74399f8b4 Don't run this test through -regalloc=basic. 
The basic allocator is really bad about hinting, so it doesn't eliminate all
copies when physreg joining is disabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130817 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:44 +00:00
Jakob Stoklund Olesen
22d28d2372 Fix register-dependent XCore tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130816 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:41 +00:00
Jakob Stoklund Olesen
9dfb367a42 Fix register-dependent test in MSP430. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130815 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:39 +00:00
Jakob Stoklund Olesen
b89383aeff Implement MSP430RegisterInfo::getMatchingSuperRegClass to enable cross-class 
coalescing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130814 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:36 +00:00
Eric Christopher
b65122c873 Remove some random comments that snuck in from somewhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130812 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 00:48:02 +00:00
Jakob Stoklund Olesen
2944b4fe05 Mark ultra-super-registers QQQQ as call-clobbered instead of the D sub-registers. 
LiveVariables doesn't understand that clobbering D0 and D1 completely overwrites
Q0, so if Q0 is live-in to a function, its live range will extend beyond a
function call that only clobbers D0 and D1. This shows up in the
ARM/2009-11-01-NeonMoves test case.

LiveVariables should probably implement the much stricter rules for physreg
liveness that RAFast imposes - a physreg is killed by the first use of any
alias.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130801 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 22:31:24 +00:00
Jakob Stoklund Olesen
feaf34758a Fix a bunch of ARM tests to be register allocation independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130800 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 22:31:21 +00:00
Andrew Trick
4dfdf242c1 indvars: Added canExpandBackEdgeTakenCount. 
Only create a canonical IV for backedge taken count if it will
actually be used by LinearFunctionTestReplace. And some related
cleanup, preparing to reduce dependence on canonical IVs.
No significant effect on x86 or arm in the test-suite.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130799 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 22:24:10 +00:00
Devang Patel
ee4a3abede Even if the subprogram is going to use AT_specification, emit DW_AT_MIPS_linkage_name. This helps gdb and fixes var-path-expr.exp regression reported by gdb testsuite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:50:34 +00:00
Daniel Dunbar
b47426b4de MCDwarf: Don't save Twine to local variable, this is almost never safe to do 
(and should thus never be done).
 - Should fix a crash on win32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130793 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:33:37 +00:00
Bill Wendling
9493a285d1 Replace the "movnt" intrinsics with a native store + nontemporal metadata bit. 
<rdar://problem/8460511>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130791 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 21:11:17 +00:00
Jakob Stoklund Olesen
7d6b6a05b5 Gracefully handle invalid live ranges. Fix PR9831. 
Register coalescing can sometimes create live ranges that end in the middle of a
basic block without any killing instruction. When SplitKit detects this, it will
repair the live range by shrinking it to its uses.

Live range splitting also needs to know about this. When the range shrinks so
much that it becomes allocatable, live range splitting fails because it can't
find a good split point. It is paranoid about making progress, so an allocatable
range is considered an error.

The coalescer should really not be creating these bad live ranges. They appear
when coalescing dead copies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130787 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 20:42:13 +00:00
Duncan Sands
ad20681cde Implement some basic simplifications involving min/max, for example 
max(a,b) >= a -> true.  According to my super-optimizer, these are
by far the most common simplifications (of the -instsimplify kind)
that occur in the testsuite and aren't caught by -std-compile-opts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130780 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 19:53:10 +00:00
Jim Grosbach
b9d5af05fd Tidy up. Add missing newline to generated file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130779 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 19:09:56 +00:00
Evan Cheng
f35907f66b Make the test less likely to fail with minor changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130778 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 19:09:32 +00:00
Akira Hatanaka
9ff1b9b259 Fix function MipsRegisterInfo::getRegisterNumbering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130774 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 18:41:54 +00:00
Bob Wilson
22a751ac13 Remove test for iOS divmod function, since that is disabled for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130769 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 17:54:49 +00:00
Bob Wilson
e1a56ae747 Temporarily disable use of divmod compiler-rt functions for iOS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130766 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 17:33:22 +00:00
Bruno Cardoso Lopes
0a69ba309f Fold ARM coprocessor intrinsics patterns into the instructions defs whenever 
it's possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130764 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 17:29:29 +00:00
Bruno Cardoso Lopes
54ad87ab78 Add a few ARM coprocessor intrinsics. Testcases included 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130763 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 17:29:22 +00:00
Bob Wilson
6e97eced2f Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130761 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 17:22:56 +00:00
Devang Patel
30692abac7 If the front end has emitted llvm.dbg.cu and other debug info anchors (clang does it now) then use them directly. This saves one scan of entire module, to collect debug info, which in turns saves few machine cycles at compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130759 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 16:45:22 +00:00
Devang Patel
464f4ef2bd Use llvm.dbg.cu named metadata to collect compile units. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130756 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 16:18:28 +00:00
Benjamin Kramer
d2189bf12a Remove unused variables caught by GCC's -Wunused-but-set-variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130755 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 16:00:27 +00:00
Rafael Espindola
a08bd8963b Pass --disable-cfi to llc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130754 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 15:56:16 +00:00
Michael J. Spencer
34868ee4de Add pentium{3,4}m cpus. Patch by Alexander Best! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130749 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 03:42:50 +00:00
Eric Christopher
2fc496fcf5 xmm0 is an implicit parameter in this and so shouldn't be in the 
string template.

Fixes rdar://8493866


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130747 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 01:28:32 +00:00
Dan Gohman
cca82149ad Add an unfolded offset field to LSR's Formula record. This is used to 
model constants which can be added to base registers via add-immediate
instructions which don't require an additional register to materialize
the immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130743 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-03 00:46:49 +00:00
Owen Anderson
f7710af4ba Other parts of the SelectionDAG framework assume that targets use their pointer type for vector indices. Make the vector unrolling code respect that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130733 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 22:25:45 +00:00
Devang Patel
67352b3ce7 Scanning entire basic block may be too expensive in terms of compile time. Instead, just use whatever location info first non-phi instruction has. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130729 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 21:57:00 +00:00
Jakob Stoklund Olesen
d61c40360c Handle <def,undef> in the second loop as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130718 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 20:36:53 +00:00
Eric Christopher
52f6c03a45 Apparently the check for direct calls is unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130716 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 20:16:33 +00:00
Jakob Stoklund Olesen
e2f669fb3f Use the PrintReg adaptor to correctly print live-in registers in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130715 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-02 20:06:30 +00:00