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196 Commits

Author SHA1 Message Date
Chad Rosier
49a66381f7 Propagate TargetLibraryInfo throughout ConstantFolding.cpp and 
InstructionSimplify.cpp.  Other fixups as needed.
Part of rdar://10500969

llvm-svn: 145559
 2011-12-01 03:08:23 +00:00
Eli Friedman
f0e7c084ea Add comments and test for atomic load/store and mem2reg. 
llvm-svn: 137690
 2011-08-15 23:55:52 +00:00
Nick Lewycky
4a0f5218f2 Move onlyUsedByLifetimeMarkers to ValueTracking so that it can be used by other 
passes as well.

llvm-svn: 133904
 2011-06-27 04:20:45 +00:00
Nick Lewycky
9bfe06b4d6 When promoting an alloca to registers discard any lifetime intrinsics. 
llvm-svn: 133251
 2011-06-17 10:09:00 +00:00
Cameron Zwarich
462b5db500 Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values when 
promoting allocas to SSA variables. Fixes <rdar://problem/9479036>.

llvm-svn: 131953
 2011-05-24 03:10:43 +00:00
Jay Foad
c146569beb Remove unused STL header includes. 
llvm-svn: 130068
 2011-04-23 19:53:52 +00:00
Jay Foad
32fce4d563 PR9214: Convert Metadata API to use ArrayRef. 
llvm-svn: 129932
 2011-04-21 19:59:31 +00:00
Jay Foad
53632b7c03 Remove PHINode::reserveOperandSpace(). Instead, add a parameter to 
PHINode::Create() giving the (known or expected) number of operands.

llvm-svn: 128537
 2011-03-30 11:28:46 +00:00
Devang Patel
3506f02e33 Refactor into a separate utility function. 
llvm-svn: 127832
 2011-03-17 21:58:19 +00:00
Devang Patel
29b946c0bd Do not use DIFactory. Use DIBuilder. 
llvm-svn: 126398
 2011-02-24 18:49:55 +00:00
Cameron Zwarich
3295a3b4db Convert two std::vectors to SmallVectors for a 3.4% speedup running -scalarrepl 
on test-suite + SPEC2000 & SPEC2006.

llvm-svn: 124068
 2011-01-23 08:03:04 +00:00
Cameron Zwarich
4ccaa5dccc Convert a std::map to a DenseMap for another 1.7% speedup on -scalarrepl. 
llvm-svn: 123732
 2011-01-18 04:50:38 +00:00
Cameron Zwarich
c35c06d0d4 Make a std::vector a SmallVector<*, 32> like the other vectors in the same 
function. This seems to be about a 1.5% speedup of -scalarrepl on test-suite
with SPEC2000 and SPEC2006.

llvm-svn: 123731
 2011-01-18 04:41:32 +00:00
Cameron Zwarich
e39e476305 Remove outdated references to dominance frontiers. 
llvm-svn: 123724
 2011-01-18 03:53:26 +00:00
Cameron Zwarich
0a1975802e Roll r123609 back in with two changes that fix test failures with expensive 
checks enabled:

1) Use '<' to compare integers in a comparison function rather than '<='.

2) Use the uniqued set DefBlocks rather than Info.DefiningBlocks to initialize
the priority queue.

The speedup of scalarrepl on test-suite + SPEC2000 + SPEC2006 is a bit less, at
just under 16% rather than 17%.

llvm-svn: 123662
 2011-01-17 17:38:41 +00:00
Cameron Zwarich
77e381e302 Roll out r123609 due to failures on the llvm-x86_64-linux-checks bot. 
llvm-svn: 123618
 2011-01-17 07:26:51 +00:00
Cameron Zwarich
e35642342b Eliminate the use of dominance frontiers in PromoteMemToReg. In addition to 
eliminating a potentially quadratic data structure, this also gives a 17%
speedup when running -scalarrepl on test-suite + SPEC2000 + SPEC2006. My initial
experiment gave a greater speedup around 25%, but I moved the dominator tree
level computation from dominator tree construction to PromoteMemToReg.

Since this approach to computing IDFs has a much lower overhead than the old
code using precomputed DFs, it is worth looking at using this new code for the
second scalarrepl pass as well.

llvm-svn: 123609
 2011-01-17 01:08:59 +00:00
Chris Lattner
e396e846b4 split dom frontier handling stuff out to its own DominanceFrontier header, 
so that Dominators.h is *just* domtree.  Also prune #includes a bit.

llvm-svn: 122714
 2011-01-02 22:09:33 +00:00
Duncan Sands
f0224e2119 Don't keep track of inserted phis in PromoteMemoryToRegister: the information 
is never used.  Patch by Cameron Zwarich.

llvm-svn: 119963
 2010-11-22 09:41:24 +00:00
Duncan Sands
74aeda71dd Have a few places that want to simplify phi nodes use SimplifyInstruction 
rather than calling hasConstantValue.  No intended functionality change.

llvm-svn: 119352
 2010-11-16 17:41:24 +00:00
Chris Lattner
d20a060467 remove some dead code. 
llvm-svn: 111344
 2010-08-18 02:41:56 +00:00
Dan Gohman
66ae369e76 Don't look up the "dbg" metadata kind by name. 
llvm-svn: 108961
 2010-07-20 23:09:34 +00:00
Gabor Greif
a5fdd0955d cache result of operator* 
llvm-svn: 107966
 2010-07-09 14:18:23 +00:00
Dan Gohman
6a3c46ad49 Use A.append(...) instead of A.insert(A.end(), ...) when A is a 
SmallVector, and other SmallVector simplifications.

llvm-svn: 106452
 2010-06-21 19:47:52 +00:00
Devang Patel
8bf4434e6e Copy location info for current function argument from dbg.declare if respective store instruction does not have any location info. 
llvm-svn: 105490
 2010-06-04 22:27:30 +00:00
Devang Patel
46e30f80bf Fix typo. 
llvm-svn: 104914
 2010-05-28 01:29:50 +00:00
Devang Patel
d7be13168c Fix typo. 
llvm-svn: 104913
 2010-05-28 01:17:51 +00:00
Devang Patel
8d4eb26f24 Do not drop location info for inlined function args. 
llvm-svn: 104884
 2010-05-27 20:25:04 +00:00
Douglas Gregor
2f2491405a Fixes for Microsoft Visual Studio 2010, from Steven Watanabe! 
llvm-svn: 103457
 2010-05-11 06:17:44 +00:00
Devang Patel
0638b539bb Wrap const MDNode * inside DIDescriptor. 
llvm-svn: 103295
 2010-05-07 20:54:48 +00:00
Devang Patel
5b2d1c23a7 Use overloaded operators instead of DIDescriptor::getNode() 
llvm-svn: 103276
 2010-05-07 18:19:32 +00:00
Gabor Greif
df5013e4d8 rename use_const_iterator to const_use_iterator for consistency's sake 
llvm-svn: 99564
 2010-03-25 23:06:16 +00:00
Duncan Sands
1b33dd3c83 There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.

llvm-svn: 96344
 2010-02-16 11:11:14 +00:00
Victor Hernandez
60060d030c mem2reg erases the dbg.declare intrinsics that it converts to dbg.val intrinsics 
llvm-svn: 94763
 2010-01-29 00:01:35 +00:00
Chris Lattner
deabd1cfb6 some cleanups. 
llvm-svn: 94649
 2010-01-27 02:12:20 +00:00
Chris Lattner
354782f9b9 no need to check for null 
llvm-svn: 94648
 2010-01-27 02:04:20 +00:00
Victor Hernandez
e6321dc910 When converting dbg.declare to dbg.value, attach promoted store's debug metadata to dbg.value 
llvm-svn: 94634
 2010-01-27 00:44:36 +00:00
Victor Hernandez
3a9845ecf7 Switch AllocaDbgDeclares to SmallVector and don't leak DIFactory 
llvm-svn: 94567
 2010-01-26 18:57:53 +00:00
Victor Hernandez
f12e8a120f In mem2reg, for all alloca/stores that get promoted where the alloca has an associated llvm.dbg.declare instrinsic, insert an llvm.dbg.var intrinsic before each store. 
llvm-svn: 94493
 2010-01-26 02:42:15 +00:00
Victor Hernandez
253c09eb8f Revert r94260 until findDbgDeclare() is made more efficient 
llvm-svn: 94432
 2010-01-25 17:52:13 +00:00
Victor Hernandez
7ce9006ba0 In mem2reg, for all alloca/stores that get promoted where the alloca has an associated llvm.dbg.declare instrinsic, insert an llvm.dbg.var intrinsic before each store 
llvm-svn: 94260
 2010-01-23 00:17:34 +00:00
Victor Hernandez
e4d8ef8fc4 Keep ignoring pointer-to-pointer bitcasts 
llvm-svn: 94194
 2010-01-22 19:05:05 +00:00
Victor Hernandez
ef9e66c909 DbgInfoIntrinsic no longer appear in an instruction's use list 
llvm-svn: 94113
 2010-01-21 23:08:36 +00:00
Dan Gohman
e4a22bdd4a Use do+while instead of while for loops which obviously have a 
non-zero trip count. Use SmallVector's pop_back_val().

llvm-svn: 92734
 2010-01-05 16:27:25 +00:00
Chris Lattner
587962c667 Remove isPod() from DenseMapInfo, splitting it out to its own 
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421
 2009-12-15 07:26:43 +00:00
Chandler Carruth
f5a2d328af Don't leave pointers uninitialized in the default constructor. GCC complains 
about the potential use of these uninitialized members under certain conditions.

llvm-svn: 91239
 2009-12-13 07:04:45 +00:00
Nick Lewycky
b3bedf4b2d Pull LLVMContext out of PromoteMemToReg. 
llvm-svn: 89645
 2009-11-23 03:50:44 +00:00
Chris Lattner
9fc809ca55 fix a bug exposed by moving SRoA earlier which caused a crash building kc++ 
llvm-svn: 85786
 2009-11-02 04:37:17 +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