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Author SHA1 Message Date
Dan Gohman
8eaf41de8a Treat mid-block labels the same as terminators when building the 
MachineInstr scheduling DAG, meaning they implicitly depend on all
preceding defs. This fixes Benchmarks/Shootout-C++/except and
Regression/C++/EH/simple_rethrow in
  -relocation-model=pic -disable-post-RA-scheduler=false
mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59747 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:58:35 +00:00
Dan Gohman
5ce0973f7f Add another machine-code printing pass when post-pass scheduling is run. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:54:21 +00:00
Devang Patel
e0de705eb7 Don't forget arguments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:50:17 +00:00
Dan Gohman
eac9cae45e Test -pre-RA-sched=fast too, for completeness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59741 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:26:04 +00:00
Oscar Fuentes
64fb4c8ccd CMake: Option for building with -fPIC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59739 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 19:13:51 +00:00
Gordon Henriksen
f13dcc2db8 Updating ignore lists. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59737 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 16:56:53 +00:00
Scott Michel
dc91bea479 CellSPU: 
(a) Remove moved file (SPUAsmPrinter.cpp) to make svn happy.
(b) Remove truncated stores that will never be used.
(c) Add initial support for __muldi3 as a libcall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 16:36:33 +00:00
Duncan Sands
810260bf6b Add some documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 10:34:43 +00:00
Mon P Wang
07239f13cd Allow XMM2 and XMM3 to be used for non ABI compliant code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:48:19 +00:00
Bill Wendling
f0a2d0cb8f 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:24:30 +00:00
Bill Wendling
8449edf599 Reformatting. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59717 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:23:34 +00:00
Chris Lattner
0fbdfc3664 add an operator= to assign to smallstring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59715 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 07:09:17 +00:00
Scott Michel
4379efced7 CellSPU: Custom lower truncating stores of i8 to i1 (should not have been 
promote), fix signed conversion of indexed offsets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59707 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 05:01:09 +00:00
Nick Lewycky
d433904982 undef beats zero. Fix this missed optimization opportunity. Patch by Matt Elder! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59705 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 04:36:13 +00:00
Scott Michel
ee85bbcae1 Revert accidental last patch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 04:28:08 +00:00
Scott Michel
a0e5769166 CellSPU: Adjust spacing/tabulation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 04:26:21 +00:00
Dan Gohman
57bebbbd12 Remove a remnant of list-burr's fast mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59702 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 03:32:45 +00:00
Dan Gohman
117f3e9ee4 Factor out the SethiUllman numbering logic from the list-burr and 
list-tdrr schedulers into a common base class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 03:30:37 +00:00
Dan Gohman
9e76fea3ab Remove the "fast" form of the list-burr scheduler, and use the 
dedicated "fast" scheduler in -fast mode instead, which is
faster. This speeds up llc -fast by a few percent on some
testcases -- the speedup only happens for code not handled by
fast-isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 03:11:19 +00:00
Oscar Fuentes
148d245c32 CMake: when building shared libraries, use -fPIC for compiling 
partially linked objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 03:10:17 +00:00
Dan Gohman
6be2ee431f Facter AddPseudoTwoAddrDeps and associated infrasructure out of 
the list-burr scheduler so that it can be used by the list-tdrr
scheduler too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59698 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:45:51 +00:00
Evan Cheng
d37c13cfd1 - Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction. 
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:32:35 +00:00
Evan Cheng
97c573d5de Fix a thinko. MO is getOperand(i-1) so we don't have to adjust e. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59696 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:25:51 +00:00
Dan Gohman
40362067de Add #include <climits> to get the definition of INT_MAX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:41:34 +00:00
Dan Gohman
a1e6d363e5 Factor out the code for verifying the work of the scheduler, 
extend it a bit, and make use of it in all schedulers, to
ensure consistent checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59689 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:26:25 +00:00
Devang Patel
f23de86fa3 Do not forget llvm.dbg.declare's first argument while removing debugging information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59688 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 01:20:42 +00:00
Bill Wendling
ce5ac1606f Copy the tblgen utility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59681 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 00:11:57 +00:00
Dan Gohman
cdb260de83 Simplify this code a little. In the fast scheduler, CreateNewSUnit 
and CreateClone don't add any extra value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59679 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:39:02 +00:00
Evan Cheng
e3066abfcf Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59678 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:21:33 +00:00
Evan Cheng
eda60a8364 Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59677 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:21:11 +00:00
Dan Gohman
343f0c0467 Experimental post-pass scheduling support. Post-pass scheduling 
is currently off by default, and can be enabled with
-disable-post-RA-scheduler=false.

This doesn't have a significant impact on most code yet because it doesn't
yet do anything to address anti-dependencies and it doesn't attempt to
disambiguate memory references. Also, several popular targets
don't have pipeline descriptions yet.

The majority of the changes here are splitting the SelectionDAG-specific
code out of ScheduleDAG, so that ScheduleDAG can be moved to
libLLVMCodeGen.a. The interface between ScheduleDAG-using code and
the rest of the scheduling code is somewhat rough and will evolve.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59676 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 23:18:57 +00:00
Dan Gohman
7d1cd3f21d Move the code for printing a graph node label for an SUnit into 
a virtual method of SelectionDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59667 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 22:09:45 +00:00
Dan Gohman
252ae9e8ae Convert SUnit's dump method into a print method and implement 
dump in terms of it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59665 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 21:32:03 +00:00
Oscar Fuentes
eb22065a35 CMake: Removed source file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59662 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:32:19 +00:00
Devang Patel
dfca407c79 Do not use separate utility to walk all instructions and remove dead dbg intrinsics. Let instcombiner do this job. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 19:01:37 +00:00
Devang Patel
b8f69c65df Let instcombiner remove redundant dbg intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:59:41 +00:00
Devang Patel
7fe1decf3a If there are two consecutive llvm.dbg.stoppoint calls then 
it is likely that the optimizer deleted code in between these
two intrinsics. Keep only the last llvm.dbg.stoppoint in this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59657 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:56:50 +00:00
Oscar Fuentes
57cbd99d5d CMake: Removed source file from lib/Target/PIC16/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59655 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 18:42:25 +00:00
Scott Michel
719b0e17ae CellSPU: Do not custom lower i1 stores, rely on type legalization to do the 
right thing and promote the store to i8.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59648 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:45:08 +00:00
Stuart Hastings
be362abe9c <rdar://problem/6351057> 
Discourage (allocate last) use of x86_64 R12 and R13 due to their
longer instruction encodings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59644 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:19:35 +00:00
Andrew Lenharth
0c6ba44890 ignore the -m elf_i386 directive used in the linux kernel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59642 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 17:00:08 +00:00
Dan Gohman
8b677d0b88 Revert r59640. It broke this test for builds that aren't 
configured with llvm-gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 16:24:37 +00:00
Dan Gohman
c738ac1d5d Use %llvmgcc -xassembler instead of invoking as directly. This avoids 
problems for example when LLVM is built with --with-extra-options=-m64
and as defaults to x86-32 mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59640 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 16:02:14 +00:00
Scott Michel
430a555cdd Temporary check-in for Duncan to demonstrate CellSPU store problem. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59637 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 15:24:16 +00:00
Argyrios Kyrtzidis
3713c0ba62 Fix compilation error on MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59629 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 12:56:21 +00:00
Sanjiv Gupta
928df6ca4e Forgot to add this in the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59623 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 12:12:49 +00:00
Sanjiv Gupta
863d3e9328 Fixed build warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59621 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 11:27:59 +00:00
Sanjiv Gupta
b1b5ffd827 Added a more function PIC16 backend. However to get this working a patch in 
ExpandIntegerOperand (LegalizeIntegerTypes.cpp) is needed which is yet to be reworked and submitted. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59617 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 11:00:54 +00:00
Bill Wendling
2f45f9762d Use stripPointerCasts when checking for AllocaInsts for the stackprotector intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59614 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 09:17:16 +00:00
Sanjiv Gupta
021f3f252e Int type for PIC16 is i16. Added i16 intrinsics for memmove, memcpy and memset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-19 08:50:17 +00:00