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Author SHA1 Message Date
Evan Cheng
1096734011 Simplify addRegisterKilled and addRegisterDead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52988 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:21:21 +00:00
Bill Wendling
a28cd12b06 - Update comments. 
- Don't use GlobalVariable::LinkageTypes when unsigned works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:08:01 +00:00
Dale Johannesen
ecdc82a643 Considering predecessors of exit blocks gets 
us a little more tail merging.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52986 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:50:49 +00:00
Dale Johannesen
62bc8a4486 Fix longstanding thinko: don't exclude 
predessors of exit blocks from tail merging
consideration.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:50:14 +00:00
Devang Patel
a45a9e416f Fix dom tree compare. Don't forget to compare children! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52984 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:41:00 +00:00
Devang Patel
f35cfe11ef Disable dom info verifier by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52983 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:36:11 +00:00
Evan Cheng
6518c6ed7e Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52982 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:35:46 +00:00
Owen Anderson
25995093e7 Add a version of AsmPrinter::EOL that takes a const char* so that we don't have to do as many implicit std::string constructions. 
Unfortunately, this doesn't appear to translate to a real speedup in practice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52981 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:16:27 +00:00
Bill Wendling
836ba9d7e7 Remove warning about initialization order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52980 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:00:31 +00:00
Devang Patel
844a3d163b Fix typos in comments. 
Thanks for the feedback!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 19:50:56 +00:00
Evan Cheng
e2c0a4fad5 DAGSize should not be public. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:49:06 +00:00
Dan Gohman
2dad0250f6 Prune a few dependencies on MachineFunction.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52976 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:15:35 +00:00
Evan Cheng
f1a792bc59 Do run ComputeLiveOutVRegInfo with -fast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:15:04 +00:00
Dan Gohman
8458f5d45b Make ilist_traits<MachineBasicBlock>'s Parent member private. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52974 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:13:58 +00:00
Dan Gohman
94f9c7dc97 Fix apostrophes in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52972 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:12:31 +00:00
Evan Cheng
4576f6d7a9 Do not use computationally expensive scheduling heuristics with -fast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52971 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:05:03 +00:00
Evan Cheng
ebffb660a6 Apply Chris' suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52970 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 17:59:20 +00:00
Devang Patel
5b57e720c8 Add dom info verifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52967 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 17:44:24 +00:00
Owen Anderson
605041e5a8 Make the subregister hashtable output more readable by wrapping the lines, 
and mark it const along with the associated changes to TargetRegisterInfo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52966 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 17:34:38 +00:00
Owen Anderson
b43f7e05ff Use delete[] instead of free on an array created with new[]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 15:56:31 +00:00
Duncan Sands
d9ad8abc8e Highlight that getMergeValues optimization is 
being suppressed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52952 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 08:00:49 +00:00
Owen Anderson
57ce0319b7 Implement suggestions from Chris: 
- Use a more accurate heuristic for the size of the hashtable.
  - Use bitwise and instead of modulo since the size is a power of two.
  - Use new[] instead of malloc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52951 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 07:02:30 +00:00
Seo Sanghyeon
ff4d609ec5 Compilation fix 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52950 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 05:27:28 +00:00
Owen Anderson
c4b871c650 Properly handle cases where a predecessor of the block being queried on is unreachable. 
This fixes PR2503, though we should also fix other passes not to emit this kind of code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52946 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 00:40:58 +00:00
Owen Anderson
f4f9c4f1cf Replace the dynamically computed std::set lookup method for subregisters with a hashtable-based 
version that is computed by tblgen at the time LLVM is compiled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52945 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 00:18:52 +00:00
Dan Gohman
528bc02877 Minimize duplicated code in AsmPrinter::printLabel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52944 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 00:16:26 +00:00
Dan Gohman
4406604047 Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminating 
the need for a flavor operand, and add a new SDNode subclass,
LabelSDNode, for use with them to eliminate the need for a label id
operand.

Change instruction selection to let these label nodes through
unmodified instead of creating copies of them. Teach the MachineInstr
emitter how to emit a MachineInstr directly from an ISD label node.

This avoids the need for allocating SDNodes for the label id and
flavor value, as well as SDNodes for each of the post-isel label,
label id, and label flavor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52943 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 00:05:16 +00:00
Chuck Rose III
c2bf1870a7 Adding some missing files to VStudio project files. Switching to use generated llvmAsmParser.cpp/.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52935 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:37:57 +00:00
Evan Cheng
ee4dc16d75 Suppress compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52934 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:33:56 +00:00
Evan Cheng
9ef4c5302e Don't run stack slot coloring if -fast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52933 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:33:16 +00:00
Dan Gohman
cbe615f7eb Don't use ISD namespace opcodes for MachineInstrs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52932 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:23:08 +00:00
Dan Gohman
99fe47bc81 Use a simpler but equivalent form of RecordSource. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52931 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:21:03 +00:00
Evan Cheng
f667480d84 Add timing report for various sub-passes under SelectionDAGISel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:10:09 +00:00
Dan Gohman
d19a53ba1d std::ostream and std::string microoptimizations for asm printing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52929 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 22:03:41 +00:00
Dan Gohman
f4d7708972 Make SmallVector's grow use memcpy in common cases 
instead of std::uninitialized_copy, which uses memmove.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:45:13 +00:00
Dan Gohman
7c6618926a Use plain operator new instead of new char[]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52927 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:33:02 +00:00
Dan Gohman
cf8462f300 Use reserve. 
SelectionDAG::allnodes_size is linear, but that doesn't appear to
outweigh the benefit of reducing heap traffic. If it does become a
problem, we should teach SelectionDAG to keep a count of how many
nodes are live, because there are several other places where that
information would be useful as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52926 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:04:06 +00:00
Dan Gohman
87060f55f2 Update comments to new-style syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52925 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 21:00:56 +00:00
Dan Gohman
7f460203b0 Rename ISD::LOCATION to ISD::DBG_STOPPOINT to better reflect its 
purpose, and give it a custom SDNode subclass so that it doesn't
need to have line number, column number, filename string, and
directory string, all existing as individual SDNodes to be the
operands.

This was the only user of ISD::STRING, StringSDNode, etc., so
remove those and some associated code.

This makes stop-points considerably easier to read in
-view-legalize-dags output, and reduces overhead (creating new
nodes and copying std::strings into them) on code containing
debugging information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52924 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:59:49 +00:00
Evan Cheng
db8d56b825 Split scheduling from instruction selection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:45:06 +00:00
Ted Kremenek
30389141c9 Added some comments and some cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:41:22 +00:00
Dale Johannesen
edec8d89df No need to align the stack if there are no stack 
objects.  Fixes a couple of tests on Linux.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52921 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:40:16 +00:00
Evan Cheng
fdb99838a3 Remove unneeded include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52920 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:38:22 +00:00
Dan Gohman
9665c2ae79 Reorder the fields in TargetLowering to require less padding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52919 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:36:26 +00:00
Dan Gohman
3d3c3e0cfa Change bools to 1-bit bitfields to shrink ArgListEntry slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52918 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:33:57 +00:00
Dan Gohman
a44b674a42 Replace some std::vectors that showed up in heap profiling with 
SmallVectors. Change the signature of TargetLowering::LowerArguments
to avoid returning a vector by value, and update the two targets
which still use this directly, Sparc and IA64, accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:31:15 +00:00
Owen Anderson
c602769822 Add an isReachableFromEntry method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52916 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:28:02 +00:00
Dan Gohman
117b64b3f8 Correct the allocation size for CCState's UsedRegs member, which 
only needs one bit for each register. UsedRegs is a SmallVector
sized at 16, so this eliminates a heap allocation/free for every
call and return processed by Legalize on most targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52915 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 20:25:31 +00:00
Devang Patel
ebd69421a2 Rename new lto2 tool as lto. 
lto2->lto


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52912 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 18:15:01 +00:00
Ted Kremenek
3771902e92 Added ImmutableList, a companion ADT to ImmutableSet and ImmutableMap that is used to represent a purely functional list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-30 18:07:38 +00:00