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Commit Graph

42790 Commits

Author SHA1 Message Date
Scott Michel
0da772db1c Check for NULL before traversing the isa<> type hierarchy checking with a
NULL-based reference.

Note: Encountered this a few times on Tiger + gcc 4.0.1. Might just be a
platform-specific compiler issue, but it's good defensive programming in any
case.

llvm-svn: 59890
2008-11-22 23:49:26 +00:00
Chris Lattner
b5712a8ba9 Describe how the JIT maps fields to MachineOperands, patch by
JP Bonn!

llvm-svn: 59876
2008-11-22 19:10:48 +00:00
Anton Korobeynikov
ba74a11c9b Make a convenient helper for printing offsets.
llvm-svn: 59872
2008-11-22 16:15:34 +00:00
Bill Wendling
0b07d30acc Cleanup of the [SU]ADDO type legalization code. Patch by Duncan!
"It simplifies the type legalization part a bit, and produces better code by
teaching SelectionDAG about the extra bits in an i8 SADDO/UADDO node.  In
essence, I spontaneously decided that on x86 this i8 boolean result would be
either 0 or 1, and on other platforms 0/1 or 0/-1, depending on whether the
platform likes it's boolean zero extended or sign extended."

llvm-svn: 59864
2008-11-22 07:24:01 +00:00
Bill Wendling
3175516f94 - Move conversion of [SU]ADDO from DAG combiner into legalizer.
- Add "promote integer type" stuff to the legalizer for these nodes.

llvm-svn: 59847
2008-11-22 00:22:52 +00:00
Devang Patel
ce00a4dac7 Fix build failure.
llvm-svn: 59844
2008-11-21 21:00:20 +00:00
Devang Patel
a2ccbea45a Silence unused variable warnings.
llvm-svn: 59841
2008-11-21 20:00:59 +00:00
Devang Patel
94c9b58408 Document TEST=dbgopt
llvm-svn: 59839
2008-11-21 19:35:57 +00:00
Dan Gohman
fd0ae4a637 Correctly set the isCtrl flag for chain dependencies.
llvm-svn: 59837
2008-11-21 19:17:25 +00:00
Dan Gohman
4a7eec40e8 Update comments.
llvm-svn: 59836
2008-11-21 19:16:58 +00:00
Dan Gohman
13a8a98bd8 Update comments.
llvm-svn: 59834
2008-11-21 19:10:41 +00:00
Chris Lattner
08bdf9dfab reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an
arbitrary integer width for the count.

llvm-svn: 59823
2008-11-21 16:42:48 +00:00
Bill Wendling
4c5afef830 Revert r59802. It was breaking the build of llvm-gcc:
g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic'
make[3]: *** [llvm-convert.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2

llvm-svn: 59809
2008-11-21 09:09:41 +00:00
Sanjiv Gupta
89a7e67578 Make mem[cpy,move,set] intrinsics overloaded.
llvm-svn: 59802
2008-11-21 07:49:09 +00:00
Bill Wendling
6c369d3a6f Default to converting UADDO to the generic form that SADDO is converted to.
llvm-svn: 59801
2008-11-21 07:44:30 +00:00
Nick Lewycky
2fbf26fe70 Optimize (x/y)*y into x-(x%y) in general. Div and rem are about the same, and
a subtract is cheaper than a multiply. This generalizes an existing transform.

llvm-svn: 59800
2008-11-21 07:33:58 +00:00
Duraid Madina
51f68032c8 LLVM does have a fortran FE!
llvm-svn: 59795
2008-11-21 06:26:56 +00:00
Mon P Wang
1026a93fd1 Clean up normalization of shuffles
llvm-svn: 59792
2008-11-21 04:25:21 +00:00
Scott Michel
314d705baf CellSPU:
(a) Fix bgs 3052, 3057
(b) Incorporate Duncan's suggestions re: i1 promotion
(c) Indentation updates.

llvm-svn: 59790
2008-11-21 02:56:16 +00:00
Bill Wendling
380aac5f70 Combine the two add with overflow intrinsics lowerings. They differ only in DAG node type.
llvm-svn: 59788
2008-11-21 02:38:44 +00:00
Dan Gohman
79202c165e Set the isAntiDep flag in the MachineInstr scheduler.
llvm-svn: 59787
2008-11-21 02:38:21 +00:00
Bill Wendling
b2442fb4d2 Generate code for llvm.uadd.with.overflow intrinsic. No conversion support yet.
llvm-svn: 59786
2008-11-21 02:33:36 +00:00
Dan Gohman
be413b4a40 Add a flag to SDep for tracking which edges are anti-dependence edges.
llvm-svn: 59785
2008-11-21 02:27:52 +00:00
Bill Wendling
939fe53962 Update comment to reflect a semblance of reality.
llvm-svn: 59784
2008-11-21 02:24:44 +00:00
Bill Wendling
e4815d4f45 Remove chains. Unnecessary.
llvm-svn: 59783
2008-11-21 02:22:59 +00:00
Dan Gohman
62180eb6f2 Rename SDep's isSpecial to isArtificial, to make this field a little
less mysterious.

llvm-svn: 59782
2008-11-21 02:18:56 +00:00
Bill Wendling
1e6d74b84a Add generic test for add with overflow.
llvm-svn: 59781
2008-11-21 02:15:51 +00:00
Bill Wendling
0f9b6c3524 Rename "ADDO" to "SADDO" and "UADDO". The "UADDO" isn't equivalent to "ADDC"
because the boolean it returns to indicate an overflow may not be treated like
as a flag. It could be stored to memory, for instance.

llvm-svn: 59780
2008-11-21 02:12:42 +00:00
Bill Wendling
02db3b99bf Implement the sadd_with_overflow intrinsic. This is converted into
"ISD::ADDO". ISD::ADDO is lowered into a target-independent form that does the
addition and then checks if the result is less than one of the operands. (If it
is, then there was an overflow.)

llvm-svn: 59779
2008-11-21 02:03:52 +00:00
Devang Patel
b6d277da6c Fix unused variable warnings.
llvm-svn: 59778
2008-11-21 01:52:59 +00:00
Dan Gohman
fe33ecd2d3 Use ComputeLatency in the MachineInstr scheduler.
llvm-svn: 59777
2008-11-21 01:44:51 +00:00
Dan Gohman
34f79b2425 Remove the CycleBound computation code from the ScheduleDAGRRList
schedulers. This doesn't have much immediate impact because
targets that use these schedulers by default don't yet provide
pipeline information.

This code also didn't have the benefit of register pressure
information. Also, removing it will avoid problems with list-burr
suddenly starting to do latency-oriented scheduling on x86 when we
start providing pipeline data, which would increase spilling.

llvm-svn: 59775
2008-11-21 01:30:54 +00:00
Bill Wendling
239302c6c9 Update comment.
llvm-svn: 59766
2008-11-21 00:45:00 +00:00
Oscar Fuentes
fa0053e297 CMake: Do not rebuild the world when tblgen changes but the .inc files
it produces are not affected by the change.

llvm-svn: 59763
2008-11-21 00:18:45 +00:00
Dan Gohman
60693dacec Implement ComputeLatency for MachineInstr ScheduleDAGs. Factor
some of the latency computation logic out of the SDNode
ScheduleDAG code into a TargetInstrItineraries helper method
to help with this.

llvm-svn: 59761
2008-11-21 00:12:10 +00:00
Bill Wendling
6d749434a5 Add UADDO and SADDO nodes. These will be used for determining an overflow
condition in an addition operation.

llvm-svn: 59760
2008-11-21 00:11:16 +00:00
Dan Gohman
66e692dd8f Change these schedulers to not emit no-ops. It turns out that
the RR scheduler actually does look at latency values, but it
doesn't use a hazard recognizer so it has no way to know when
a no-op is needed, as opposed to just stalling and incrementing
the cycle count.

llvm-svn: 59759
2008-11-21 00:10:42 +00:00
Bill Wendling
4020b2b907 Fix error where it wasn't getting the correct caller function.
llvm-svn: 59758
2008-11-21 00:09:21 +00:00
Bill Wendling
f85b54db6c If the function being inlined has a higher stack protection level than the
inlining function, then increase the stack protection level on the inlining
function.

llvm-svn: 59757
2008-11-21 00:06:32 +00:00
Bill Wendling
d0bd6f6e73 Introduce two new "add" intrinsics. These return the sum plus a bit indicating
that an overflow/carry occured. These are converted into ISD::[SU]ADDO nodes,
which are lowered in a target-independent way into something sane. Eventually,
each target can implement their own method of checking the overflow/carry flags.

llvm-svn: 59756
2008-11-21 00:05:31 +00:00
Oscar Fuentes
cbfb4cf881 CMake: More documentation.
llvm-svn: 59755
2008-11-20 23:35:09 +00:00
Dan Gohman
b8f4f58938 Delete redundant inline keywords.
llvm-svn: 59754
2008-11-20 22:10:21 +00:00
Dan Gohman
0ba3f17e9f Doxygenate comments.
llvm-svn: 59753
2008-11-20 22:09:52 +00:00
Oscar Fuentes
378c8a6a81 CMake: Some documentation. Work in progress.
llvm-svn: 59752
2008-11-20 22:05:48 +00:00
Dan Gohman
fd06b62f9c 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.

llvm-svn: 59747
2008-11-20 19:58:35 +00:00
Dan Gohman
3b3afa49f8 Add another machine-code printing pass when post-pass scheduling is run.
llvm-svn: 59746
2008-11-20 19:54:21 +00:00
Devang Patel
0c43c5a17f Don't forget arguments!
llvm-svn: 59745
2008-11-20 19:50:17 +00:00
Dan Gohman
7e92e53e25 Test -pre-RA-sched=fast too, for completeness.
llvm-svn: 59741
2008-11-20 19:26:04 +00:00
Oscar Fuentes
3c4de0ae87 CMake: Option for building with -fPIC.
llvm-svn: 59739
2008-11-20 19:13:51 +00:00
Scott Michel
4026c8f44a 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.

llvm-svn: 59734
2008-11-20 16:36:33 +00:00