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6982 Commits

Author SHA1 Message Date
Dan Gohman
5b24b3baef Factor out the code for computing an alignment value, and make it 
available to getAtomic in addition to just getLoad and getStore,
to prevent MachineMemOperands with 0 alignment.

llvm-svn: 53261
 2008-07-08 23:46:32 +00:00
Dan Gohman
e2169bec88 The graph name really does matter for configurations that use gv. 
llvm-svn: 53259
 2008-07-08 23:33:46 +00:00
Evan Cheng
6af015292e Unbreak C++ tests on x86 Darwin. 
llvm-svn: 53237
 2008-07-08 16:40:43 +00:00
Duncan Sands
65028bf60d Add some helpers for manipulating function 
parameter attributes.

llvm-svn: 53228
 2008-07-08 09:41:30 +00:00
Matthijs Kooijman
4cf0a68307 Add CallSite::getArgumentNo() to be able to translate an operand number into a 
argument number.

llvm-svn: 53225
 2008-07-08 08:51:47 +00:00
Matthijs Kooijman
8aaa85f108 Add CallSite::getArgumentOffset() to hide the differences in operands betwen 
Call and Invoke in a single method instead of having it hardcoded in multiple
places.

llvm-svn: 53224
 2008-07-08 08:50:32 +00:00
Duncan Sands
b854603cb5 Add some convenience methods for manipulating 
call attributes.

llvm-svn: 53223
 2008-07-08 08:38:44 +00:00
Nick Lewycky
9cecc07bec Expand SCEVUDiv of power of 2 to a lshr instruction. 
llvm-svn: 53217
 2008-07-08 05:05:37 +00:00
Evan Cheng
5be1103646 Avoid unnecessary string construction during asm printing. 
llvm-svn: 53215
 2008-07-08 00:55:58 +00:00
Dan Gohman
cd25487258 Pool-allocation for MachineInstrs, MachineBasicBlocks, and 
MachineMemOperands. The pools are owned by MachineFunctions.

This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.

llvm-svn: 53212
 2008-07-07 23:14:23 +00:00
Dan Gohman
93e0208361 Pool-allocation for SDNodes. The pool is allocated once for each function, 
and reused across SelectionDAGs.

This drastically reduces the number of calls to malloc/free made during
instruction selection, and improves memory locality.

llvm-svn: 53211
 2008-07-07 23:02:41 +00:00
Dan Gohman
60e964b34c Add some basic Pool-allocation infrastructure. This adds a Recycler class, 
for handling bookkeeping for deleted objects, as well as the alist class
template, for keeping lists of objects allocated from Recyclers, and some
related utilities.

llvm-svn: 53210
 2008-07-07 22:58:06 +00:00
Bill Wendling
d7da49634d Use StringMap for greater justice! 
llvm-svn: 53202
 2008-07-07 20:59:31 +00:00
Dan Gohman
d787dcfa3d Fix SDNode::MorphNodeTo (a function used by by SelectNodeTo) to 
properly track dead nodes that are on the original SDNode's operand
list but not the new one, and have no other uses.

llvm-svn: 53201
 2008-07-07 20:57:48 +00:00
Dan Gohman
255eb1d296 Move MachineMemOperand's constructor out of line, to avoid a 
#include dependency on Support/MathExtras.h in the header file.

llvm-svn: 53200
 2008-07-07 20:32:02 +00:00
Dan Gohman
f2b95cb24f Shrink MachineMemOperand by storing the alignment in log form 
and rearranging the fields.

llvm-svn: 53195
 2008-07-07 20:05:04 +00:00
Dan Gohman
1834981eb0 Make ilist noncopyable too. 
llvm-svn: 53190
 2008-07-07 18:43:32 +00:00
Dan Gohman
fca9922b1b Don't use std::advance just to increment or decrement by one. 
llvm-svn: 53189
 2008-07-07 18:39:33 +00:00
Dan Gohman
ddcc08e98f Make BumpPtrAllocator noncopyable. 
llvm-svn: 53188
 2008-07-07 18:38:14 +00:00
Dan Gohman
68abfdf98d Add a space between * and /* to help simple-minded lexers. 
llvm-svn: 53187
 2008-07-07 18:34:27 +00:00
Dan Gohman
d263602463 Remove most of the uses of SDOperandPtr, usually replacing it with a 
simple const SDOperand*, which is what's usually needed.

For AddNodeIDOperands, which is small, just duplicate the function to
accept an SDUse*.

For SelectionDAG::getNode - Add an overload that accepts SDUse* that
copies the operands into a temporary SDOperand array, but also has
special-case checks for 0 through 3 operands to avoid the copy in
the common cases.

llvm-svn: 53183
 2008-07-07 18:26:29 +00:00
Dan Gohman
dd9c91e583 Remove uses of "llvm/Support/Debug.h" from LLVM include files, which 
all happened be unnecessary.

llvm-svn: 53182
 2008-07-07 18:14:29 +00:00
Dan Gohman
3755664b6d Remove unnecessary static_casts. 
llvm-svn: 53181
 2008-07-07 18:08:20 +00:00
Dan Gohman
9112a5463e Remove an unnecessary reinterpret_cast. 
llvm-svn: 53180
 2008-07-07 18:07:36 +00:00
Dan Gohman
955fdc7a4c Add explicit keywords. 
llvm-svn: 53179
 2008-07-07 18:00:37 +00:00
Dan Gohman
c97817aac3 Make DenseMap's insert return a pair, to more closely resemble std::map. 
llvm-svn: 53177
 2008-07-07 17:46:23 +00:00
Ted Kremenek
1d321b8875 Removed ImmutableMap::SlimFind and replaced it with ImmutableMap::lookup. The new method does the same thing, except that it returns a pointer to the mapped data type, and not to an internal tree node. 
llvm-svn: 53171
 2008-07-07 16:20:55 +00:00
Duncan Sands
0caf597378 LegalizeTypes soft-float support for stores of a 
float value.

llvm-svn: 53165
 2008-07-07 00:08:12 +00:00
Anton Korobeynikov
47e1a76977 Add convenient helper for checking whether global is weak in linker sense 
having weak or linkonce or common or extweak LLVM linkage.

llvm-svn: 53158
 2008-07-05 23:48:30 +00:00
Nick Lewycky
e85e0b1bbc 80col 
llvm-svn: 53153
 2008-07-05 22:41:37 +00:00
Mon P Wang
a43d6758ac Fixed generating incorrect aligned stores that I backout of r53031 
that fixed problems in EmitStackConvert where the source and target type
have different alignment by creating a stack slot with the max
alignment of source and target type.

llvm-svn: 53150
 2008-07-05 20:40:31 +00:00
Duncan Sands
3ea6f15708 Rather than having a different custom legalization 
hook for each way in which a result type can be
legalized (promotion, expansion, softening etc),
just use one: ReplaceNodeResults, which returns
a node with exactly the same result types as the
node passed to it, but presumably with a bunch of
custom code behind the scenes.  No change if the
new LegalizeTypes infrastructure is not turned on.

llvm-svn: 53137
 2008-07-04 11:47:58 +00:00
Duncan Sands
aac5c915ed Linux also does not require exception handling 
moves in order to get correct debug info.  Since
I can't imagine how any target could possibly
be any different, I've just stripped out the
option: now all the world's like Darwin!

llvm-svn: 53134
 2008-07-04 09:55:48 +00:00
Bill Wendling
e3ad6f2249 Don't return std::vector by value, but pass it in by reference to be filled. 
llvm-svn: 53123
 2008-07-03 23:13:02 +00:00
Bill Wendling
2c9a84d788 Revert my previous check-in that split up MachineModuleInfo. It turns out to 
slow the compiler down at -O0 some 30% or more. Ooops.

llvm-svn: 53120
 2008-07-03 22:53:42 +00:00
Devang Patel
af72f3b02e Provide a hook to set the code generation debug options to investigate lto failures. 
llvm-svn: 53119
 2008-07-03 22:53:14 +00:00
Evan Cheng
01e53a3406 Backed out 53031. 
llvm-svn: 53110
 2008-07-03 18:20:14 +00:00
Evan Cheng
1f6148a84c - Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc. 
- Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list.

llvm-svn: 53097
 2008-07-03 09:09:37 +00:00
Dan Gohman
9c78662057 Use operator new instead of new char[]. 
llvm-svn: 53067
 2008-07-03 00:59:36 +00:00
Evan Cheng
7c3920e692 - Add LiveVariables::replaceKillInstruction. This does a subset of instructionChanged. That is, it only update the VarInfo.kills if the new instruction is known to have the correct dead and kill markers. 
- CommuteInstruction copies kill / dead markers over to new instruction. So use replaceKillInstruction instead.

llvm-svn: 53061
 2008-07-03 00:07:19 +00:00
Owen Anderson
604f9f722d Make LiveVariables even more optional, by making it optional in the call to TargetInstrInfo::convertToThreeAddressInstruction 
Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place.

llvm-svn: 53058
 2008-07-02 23:41:07 +00:00
Dan Gohman
741cda0ac8 Replace a few uses of SelectionDAG::getTargetNode with 
SelectionDAG::SelectNodeTo in the instruction selector. This
updates existing nodes in place instead of creating new ones.

Go back to selecting ISD::DBG_LABEL nodes into
TargetInstrInfo::DBG_LABEL nodes instead of leaving them
unselected, now that SelectNodeTo allows us to update them
in place.

llvm-svn: 53057
 2008-07-02 23:23:19 +00:00
Eric Christopher
4c3e39e220 Add a couple more helper functions to deal with 
creating global constant strings and pointers
to global constant strings.

llvm-svn: 53051
 2008-07-02 22:57:59 +00:00
Mon P Wang
f8524c5deb Make the default min align of CreateStackTemporary to be 1 
llvm-svn: 53036
 2008-07-02 17:50:10 +00:00
Duncan Sands
21e2a711e3 Add a new getMergeValues method that does not need 
to be passed the list of value types, and use this
where appropriate.  Inappropriate places are where
the value type list is already known and may be
long, in which case the existing method is more
efficient.

llvm-svn: 53035
 2008-07-02 17:40:58 +00:00
Owen Anderson
dd29406f31 Have DenseSet::insert return a bool indicating whether the insertion succeeded or not. 
llvm-svn: 53033
 2008-07-02 17:29:59 +00:00
Mon P Wang
55f4371807 Fixed problem in EmitStackConvert where the source and target type 
have different alignment by creating a stack slot with the max
alignment of source and target type.

llvm-svn: 53031
 2008-07-02 17:07:12 +00:00
Chris Lattner
441571cc05 optimize StringMap::clear 
llvm-svn: 53009
 2008-07-02 05:30:45 +00:00
Chris Lattner
06545d1c4a Add a new (simple) StringMap::clear method, patch by Pratik 
Solanki!

llvm-svn: 53008
 2008-07-02 05:26:32 +00:00
Bill Wendling
aa45e38a17 Sorry. I couldn't sleep at night knowing I put these ugly casts into the source tree. 
llvm-svn: 53001
 2008-07-02 00:35:47 +00:00