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8595 Commits

Author SHA1 Message Date
Chris Lattner
837e59e2e8 Drop the default assumption about alignment down to 2 bits from 3. This apparently 
helps some problems on win32 platforms (PR4119)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70603 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 23:48:33 +00:00
Stuart Hastings
f0e4cac7eb Prevent looping when DenseSet is abused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70572 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 20:47:53 +00:00
Dan Gohman
cf5ab82022 Actually insert inserted instructions into the InsertedValues map. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:13:31 +00:00
Dan Gohman
b52e1c587f Add an accessor method to allow clients to test if a given expression 
is associated with a SCEV expansion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 17:08:34 +00:00
Dan Gohman
99a1302ae4 Make SCEVExpander::addInsertedValue able to accept Values, not just 
Instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70552 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-01 16:58:31 +00:00
Argyrios Kyrtzidis
9eddfd3687 Fix compilation for some targets other than x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 23:50:26 +00:00
Stefanus Du Toit
c26672a2d2 Add a comment to refer to the section of the programmer's manual that explains what the pointer tagging in Use is for. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 23:28:50 +00:00
Argyrios Kyrtzidis
a26eae64dd Make DebugLoc independent of DwarfWriter. 
-Replace DebugLocTuple's Source ID with CompileUnit's GlobalVariable*
-Remove DwarfWriter::getOrCreateSourceID
-Make necessary changes for the above (fix callsites, etc.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 23:22:31 +00:00
Jeffrey Yasskin
714257f5de Add a mention of TypeBuilder to the programmer's manual, and clean up the class 
comment a bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 22:33:41 +00:00
Jakob Stoklund Olesen
ba67d87fe4 getCommonSubClass() - Calculate the largest common sub-class of two register 
classes.

This is implemented as a function rather than a method on TargetRegisterClass
because it is symmetric in its arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 21:23:32 +00:00
Dan Gohman
3d739fe375 Add some comments, and tidy up some whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 20:48:53 +00:00
Dan Gohman
a1af757e0a Extend ScalarEvolution's getBackedgeTakenCount to be able to 
compute an upper-bound value for the trip count, in addition to
the actual trip count. Use this to allow getZeroExtendExpr and
getSignExtendExpr to fold casts in more cases.

This may eventually morph into a more general value-range
analysis capability; there are certainly plenty of places where
more complete value-range information would allow more folding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70509 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 20:47:05 +00:00
Torok Edwin
7f09dd2f63 Make dataflow iteration possible on Value*, not only on User*: df_ext_iterator<Value*, SmallPtrSet<const Value*, 16> > 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 17:09:22 +00:00
Nick Lewycky
1d621f71c8 Oops! Missed a file in my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 15:29:26 +00:00
Jay Foad
4e5ea553d0 Move helper functions for optimizing division by constant into the APInt 
class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 10:15:35 +00:00
Bill Wendling
581b93415e Remove unused flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70459 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:57:51 +00:00
Bill Wendling
b8cb0bb08c Remove LTO optimization level. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:40:42 +00:00
Bill Wendling
98a366d547 Instead of passing in an unsigned value for the optimization level, use an enum, 
which better identifies what the optimization is doing. And is more flexible for
future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:29:43 +00:00
Bill Wendling
b587f9662a Add support for a character after a command line option. Like '-Os'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:26:16 +00:00
Jakob Stoklund Olesen
ce9be2cf5d MachineInstr::isRegTiedTo{Use,Def}Operand can safely be made const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70408 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 20:57:16 +00:00
Nate Begeman
a641575828 Update comment, replace theoretically impossible check with an assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70391 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 18:13:31 +00:00
Sanjiv Gupta
b27fa0afe2 Add directive to declare external globals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 08:23:18 +00:00
Nate Begeman
5a5ca1519e Implement review feedback for vector shuffle work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 05:20:52 +00:00
Sanjiv Gupta
a3518a1d6a Add a public method called getAddressSpace() to the GlobalAddressSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 04:43:24 +00:00
Dan Gohman
1e59aa1332 Add some more doxygen comments to SCEVAddRec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:59:03 +00:00
Bill Wendling
5e5cb7985d The second part of the change from -fast to -O#. This changes the JIT to accept 
an optimization level instead of a simple boolean telling it to generate code
"fast" or the other type of "fast".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70347 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:32:19 +00:00
Bill Wendling
be8cc2a3de Second attempt: 
Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'll change the JIT with a follow-up patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70343 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:15:41 +00:00
Bill Wendling
a24d1b1558 Correct comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70340 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:09:22 +00:00
Evan Cheng
8a8a0dfc3b Move getMatchingSuperReg() out of coalescer and into TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 18:29:27 +00:00
Sanjiv Gupta
d3d965714b Initialized arrays can be in any address space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:34:20 +00:00
Jakob Stoklund Olesen
fa4677b483 Move getSubRegisterRegClass from ScheduleDagSDNodesEmit.cpp to a TargetRegisterClass method. 
Also make the method non-asserting. It will return NULL when given an invalid subreg index.

The method is needed by an upcoming patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:34:09 +00:00
Bill Wendling
c69d56f115 r70270 isn't ready yet. Back this out. Sorry for the noise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 01:04:53 +00:00
Bill Wendling
2e9d5f912a Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to 
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'm not 100% sure if it's necessary to change it there...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70270 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 00:21:31 +00:00
Jeffrey Yasskin
487fa01673 Add tests for WeakVH and AssertingVH. These pointed out that the overloads for 
the comparison operators were not only unnecessary in the presence of the
implicit conversion; they caused ambiguous overload errors. So I deleted them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70243 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-27 20:32:07 +00:00
Chris Lattner
0370cc6399 give bitstreamreader an API to ignore names for blocks/records, 
only llvm-bcanalyzer wants this info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-27 20:04:08 +00:00
Nate Begeman
9008ca6b6b 2nd attempt, fixing SSE4.1 issues and implementing feedback from duncan. 
PR2957

ISD::VECTOR_SHUFFLE now stores an array of integers representing the shuffle
mask internal to the node, rather than taking a BUILD_VECTOR of ConstantSDNodes
as the shuffle mask.  A value of -1 represents UNDEF.

In addition to eliminating the creation of illegal BUILD_VECTORS just to 
represent shuffle masks, we are better about canonicalizing the shuffle mask,
resulting in substantially better code for some classes of shuffles.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70225 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-27 18:41:29 +00:00
Chris Lattner
f9a3ec86c1 Add two new record types to the blockinfo block: 
BLOCKNAME and SETRECORDNAME.  This allows a bitcode
file to be self describing with pretty names for 
records and blocks in addition to numbers.  This
enhances llvm-bcanalyzer to use this to print prettily.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70165 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 22:21:57 +00:00
Chris Lattner
7919b966a8 make BitstreamCursor's copyable and assignable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70159 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 21:07:02 +00:00
Chris Lattner
962dde3cef Make a major API change to BitstreamReader: split all the reading 
state out of the BitstreamReader class into a BitstreamCursor class.
Doing this allows the client to have multiple cursors into the same
file, each with potentially different live block stacks and
abbreviation records.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70157 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 20:59:02 +00:00
Bill Wendling
3485d25a0e I cast, therefore I think I know what I'm doing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 20:12:38 +00:00
Bill Wendling
b14a495c36 Use uint64_t instead of unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70148 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 19:46:41 +00:00
Chris Lattner
1e8db00e3b revert an incorrect patch. This causes crashes all over the place on a 
64-bit build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70147 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 19:44:20 +00:00
Bill Wendling
610cb31ac9 Suppress warnings about conversion shortening 64-bit to 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70138 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-26 18:10:20 +00:00
Chris Lattner
096fd7b5a7 Add a new TypeBuilder helper class, which eases making LLVM IR types. 
Patch by Jeffrey Yasskin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 22:14:04 +00:00
Chris Lattner
552672d285 improve documentation around memory lifetimes, 
patch by Jeffrey Yasskin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 22:10:06 +00:00
Bill Wendling
c2dbff3ba6 Use intptr_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 21:06:53 +00:00
Mon P Wang
8d34844bff size() should return a size_t; avoids a warning for 64 bit machines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70072 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 20:46:59 +00:00
Chris Lattner
11d8fb9609 DenseMap.h needs <new> because it explicitly calls operator new/delete. 
Patch by John McCall!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 19:50:14 +00:00
Evan Cheng
0adb527d16 Do not share a single unknown val# for all the live ranges merged into a physical sub-register live interval. When coalescer is merging in clobbered virtaul register live interval into a physical register live interval, give each virtual register val# a separate val# in the physical register live interval. Otherwise, the coalescer would have lost track of the definitions information it needs to make correct coalescing decisions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-25 09:25:19 +00:00
Rafael Espindola
7431af050f Add LTO_SYMBOL_DEFINITION_WEAKUNDEF, use that on the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69972 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-24 16:55:21 +00:00