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33111 Commits

Author SHA1 Message Date
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last 
direct inclusion edge from System to Support.

llvm-svn: 85086
 2009-10-26 01:35:46 +00:00
Chris Lattner
192549ef70 Implement PR3266 & PR5276, folding: 
not (or (icmp, icmp)) -> and(icmp, icmp)

llvm-svn: 85085
 2009-10-26 01:06:31 +00:00
Chris Lattner
e3508acbef fix PR5295 where the .ll parser didn't reject a function after a global 
or global after a function with conflicting names.  Update some testcases
that were accidentally depending on this behavior.

llvm-svn: 85081
 2009-10-25 23:22:50 +00:00
Daniel Dunbar
4a18e32e25 Suppress -Asserts warning. 
llvm-svn: 85078
 2009-10-25 23:11:06 +00:00
Chris Lattner
2f00168ed8 fix PR5186: the JIT shouldn't try to codegen available_externally 
functions it should just look them up like declarations.

llvm-svn: 85077
 2009-10-25 23:06:42 +00:00
Chandler Carruth
6e9cf74969 Remove unused includes. 
llvm-svn: 85074
 2009-10-25 22:38:41 +00:00
Jim Grosbach
eae0e509c0 of -> or 
llvm-svn: 85065
 2009-10-25 19:14:48 +00:00
Jim Grosbach
29b842a6c1 80-column cleanup 
llvm-svn: 85064
 2009-10-25 18:55:46 +00:00
Sanjiv Gupta
18574b11b0 Reapply 85006 with a minor fix. 
llvm-svn: 85052
 2009-10-25 08:14:11 +00:00
Evan Cheng
d748ce45ab Add ARM getMatchingSuperRegClass to handle S / D / Q cross regclass coalescing. 
llvm-svn: 85049
 2009-10-25 07:53:28 +00:00
Evan Cheng
77ecc0adc5 Don't forget subreg indices when folding load / store. 
llvm-svn: 85048
 2009-10-25 07:52:27 +00:00
Evan Cheng
859d9f3b07 Use isIdentityCopy. Fix a bozo bug (flipped condition) in InvalidateRegDef. 
llvm-svn: 85047
 2009-10-25 07:51:47 +00:00
Evan Cheng
a6242a5d04 Code clean up. 
llvm-svn: 85046
 2009-10-25 07:49:57 +00:00
Evan Cheng
92ad633488 Do not delete identity insert_subreg even if dest is virtual. Let later passes delete them. This avoids register scavenger complain. 
llvm-svn: 85045
 2009-10-25 07:48:51 +00:00
Nick Lewycky
2b8400628d Remove includes of Support/Compiler.h that are no longer needed after the 
VISIBILITY_HIDDEN removal.

llvm-svn: 85043
 2009-10-25 06:57:41 +00:00
Nick Lewycky
711c726c97 Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces. 
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.

llvm-svn: 85042
 2009-10-25 06:33:48 +00:00
Chris Lattner
81c06b943c this is done. 
llvm-svn: 85041
 2009-10-25 06:17:51 +00:00
Chris Lattner
d8db8b6952 Teach FoldBitCast to be able to handle bitcasts from (e.g.) i128 -> <4 x float>. 
This allows us to simplify this:
union vec2d {
    double e[2];
    double v __attribute__((vector_size(16)));
};
typedef union vec2d vec2d;

static vec2d a={{1,2}}, b={{3,4}};
    
vec2d foo () {
    return (vec2d){ .v = a.v + b.v * (vec2d){{5,5}}.v };
}

down to:

define %0 @foo() nounwind ssp {
entry:
  %mrv5 = insertvalue %0 undef, double 1.600000e+01, 0 ; <%0> [#uses=1]
  %mrv6 = insertvalue %0 %mrv5, double 2.200000e+01, 1 ; <%0> [#uses=1]
  ret %0 %mrv6
}

instead of:

define %0 @foo() nounwind ssp {
entry:
  %mrv5 = insertvalue %0 undef, double extractelement (<2 x double> fadd (<2 x double> fmul (<2 x double> bitcast (<1 x i128> <i128 85174437667405312423031577302488055808> to <2 x double>), <2 x double> <double 3.000000e+00, double 4.000000e+00>), <2 x double> <double 1.000000e+00, double 2.000000e+00>), i32 0), 0 ; <%0> [#uses=1]
  %mrv6 = insertvalue %0 %mrv5, double extractelement (<2 x double> fadd (<2 x double> fmul (<2 x double> bitcast (<1 x i128> <i128 85174437667405312423031577302488055808> to <2 x double>), <2 x double> <double 3.000000e+00, double 4.000000e+00>), <2 x double> <double 1.000000e+00, double 2.000000e+00>), i32 1), 1 ; <%0> [#uses=1]
  ret %0 %mrv6
}

llvm-svn: 85040
 2009-10-25 06:15:37 +00:00
Chris Lattner
d80c1f61d2 move FoldBitCast earlier in the file, and use it instead of 
ConstantExpr::getBitCast in various places.

llvm-svn: 85039
 2009-10-25 06:08:26 +00:00
Chris Lattner
f6cb8d6b90 refactor FoldBitCast to reduce nesting and to always return a constantexpr 
instead of returning null on failure.  No functionality change.

llvm-svn: 85038
 2009-10-25 06:02:57 +00:00
Nick Lewycky
cacdc4d65a Remove ICmpInst::isSignedPredicate which was a reimplementation 
CmpInst::isSigned.

llvm-svn: 85037
 2009-10-25 05:20:17 +00:00
Nick Lewycky
a16e115bd4 Sink isTrueWhenEqual from ICmpInst to CmpInst. Add a matching isFalseWhenEqual 
which is equal to !isTrueWhenEqual for ints but not for floats.

llvm-svn: 85036
 2009-10-25 03:50:03 +00:00
Jim Grosbach
7af2399458 When the scavenger is looking for a good candidate location to restore from a 
spill, it should avoid doing so inside the live range of a virtual register.

llvm-svn: 85026
 2009-10-25 00:45:07 +00:00
Dan Gohman
07044648b2 MapValue doesn't needs its LLVMContext argument. 
llvm-svn: 85020
 2009-10-24 23:37:16 +00:00
Dan Gohman
1e96c6acaf Rename isLoopExit to isLoopExiting, for consistency with the wording 
used elsewhere - an exit block is a block outside the loop branched to
from within the loop. An exiting block is a block inside the loop that
branches out.

llvm-svn: 85019
 2009-10-24 23:34:26 +00:00
Dan Gohman
477456910a Rewrite LoopRotation's SSA updating code using SSAUpdater. 
llvm-svn: 85016
 2009-10-24 23:19:52 +00:00
Dan Gohman
e970f8a450 Make DominanceFrontierBase::print's output prettier. 
llvm-svn: 85011
 2009-10-24 20:01:11 +00:00
Sanjiv Gupta
ec0d345a46 Revert back 85006 for now as it breaks PIC16 tests. 
llvm-svn: 85008
 2009-10-24 18:19:41 +00:00
Sanjiv Gupta
1fcb847e01 Adding support for placing global objects in shared data memory. 
llvm-svn: 85006
 2009-10-24 18:02:44 +00:00
Chris Lattner
5f456758c6 various cleanups suggested by Duncan 
llvm-svn: 84993
 2009-10-24 05:27:19 +00:00
Chris Lattner
9a1f5c9f90 fix PR5287, a serious regression from my previous patches. Thanks to 
Duncan for the nice tiny testcase.

llvm-svn: 84992
 2009-10-24 05:22:15 +00:00
Victor Hernandez
e8998896f5 Auto-upgrade free instructions to calls to the builtin free function. 
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.

llvm-svn: 84987
 2009-10-24 04:23:03 +00:00
Evan Cheng
0e5c6b3b69 80 col violation. 
llvm-svn: 84986
 2009-10-24 02:07:42 +00:00
Anton Korobeynikov
0e56d9fdb7 Add some asserts to catch copyRegToReg() fails early 
llvm-svn: 84983
 2009-10-24 00:27:00 +00:00
Jim Grosbach
e295e49760 Restrict Thumb1 register allocation to low registers, even for instructions that 
can access the hi regs. Our prologue and epilogue code doesn't know how to
properly handle save/restore of the hi regs, so things go badly when we alloc
them.

llvm-svn: 84982
 2009-10-24 00:19:24 +00:00
Evan Cheng
82de095652 Identity copies should not contribute to spill weight. 
llvm-svn: 84978
 2009-10-23 23:09:19 +00:00
Jim Grosbach
5b5a404677 FIXME no longer applies. R12 and R3 are available for allocation 
llvm-svn: 84977
 2009-10-23 23:07:42 +00:00
Jeffrey Yasskin
8ff8b897a5 Fix http://llvm.org/PR4822: allow module deletion after a function has been 
compiled.

When functions are compiled, they accumulate references in the JITResolver's
stub maps. This patch removes those references when the functions are
destroyed.  It's illegal to destroy a Function when any thread may still try to
call its machine code.

This patch also updates r83987 to use ValueMap instead of explicit CallbackVHs
and fixes a couple "do stuff inside assert()" bugs from r84522.

llvm-svn: 84975
 2009-10-23 22:37:43 +00:00
Victor Hernandez
8428eb5720 Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary. 
llvm-svn: 84969
 2009-10-23 21:09:37 +00:00
Dan Gohman
b15fee5666 APInt-ify the gep scaling code, so that it correctly handles the case where 
the scale overflows pointer-sized arithmetic. This fixes PR5281.

llvm-svn: 84954
 2009-10-23 17:57:43 +00:00
Dan Gohman
ad2555c9a3 Make LoopDeletion check the maximum backedge taken count, rather than the 
exact backedge taken count, when checking for infinite loops. This allows
it to delete loops with multiple exit conditions.

llvm-svn: 84952
 2009-10-23 17:10:01 +00:00
Chris Lattner
d1dbcae98f some stuff is done, we still have constantexpr simplification to do. 
llvm-svn: 84943
 2009-10-23 07:00:55 +00:00
Chris Lattner
4874f5bce5 teach libanalysis to simplify vector loads with bitcast sources. This 
implements something out of Target/README.txt producing:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	LCPI1_0, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4

instead of:

_foo:                                                       ## @foo
	movl	4(%esp), %eax
	movapd	_b, %xmm0
	mulpd	LCPI1_0, %xmm0
	addpd	_a, %xmm0
	movapd	%xmm0, (%eax)
	ret	$4

llvm-svn: 84942
 2009-10-23 06:57:37 +00:00
Chris Lattner
2ee1f0f0b5 enhance FoldReinterpretLoadFromConstPtr to handle loads of up to 32 
bytes (i256).

llvm-svn: 84941
 2009-10-23 06:50:36 +00:00
Chris Lattner
b1d2706a4c teach libanalysis to fold int and fp loads from almost arbitrary 
non-type-safe constant initializers.  This sort of thing happens
quite a bit for 4-byte loads out of string constants, unions, 
bitfields, and an interesting endianness check from sqlite, which
is something like this:

const int sqlite3one = 1;
# define SQLITE_BIGENDIAN    (*(char *)(&sqlite3one)==0)
# define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)

all of these macros now constant fold away.

This implements PR3152 and is based on a patch started by Eli, but heavily
modified and extended.

llvm-svn: 84936
 2009-10-23 06:23:49 +00:00
Evan Cheng
0db11ae5a2 X86 needs critical path anti-dependency breaking. 
llvm-svn: 84931
 2009-10-23 05:57:35 +00:00
Dale Johannesen
3f91e235b8 Commit fixes for half precision I noted in review, so 
they don't get lost; I don't think the originator has
write access.

llvm-svn: 84928
 2009-10-23 04:02:51 +00:00
Victor Hernandez
48872a3306 Minor code cleanup. 
llvm-svn: 84919
 2009-10-23 00:59:10 +00:00
Bill Wendling
283fb69c0a Neuter stack protectors by only checking character arrays. This is what GCC 
does.

llvm-svn: 84916
 2009-10-23 00:01:05 +00:00
David Goodwin
82c1dd9754 Allow the target to select the level of anti-dependence breaking that should be performed by the post-RA scheduler. The default is none. 
llvm-svn: 84911
 2009-10-22 23:19:17 +00:00