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293d5f8bc0
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2798 Commits

Author SHA1 Message Date
Dan Gohman
293d5f8bc0 Add a new option, -fast-isel-verbose, that can be used with 
-fast-isel-no-abort to get a dump of all unhandled instructions,
without an abort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:06:46 +00:00
Owen Anderson
0d95267e49 Clean this up, based on Evan's suggestions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:47:17 +00:00
Bill Wendling
3915025a4f - Add support for 6-, 12-, and 18-bit limited precision floating-point "log" 
values.
- Refactored some of the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56008 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:39:27 +00:00
Anton Korobeynikov
19e861a4ff Make safer variant of alias resolution routine to be default 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56005 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 20:05:04 +00:00
Bill Wendling
bd297bcd4a Add limited precision floating-point conversions of log10 for 6- and 18-bit 
precisions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56000 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 18:42:23 +00:00
Owen Anderson
baf37cd556 Check for type legality before materializing integer constants in fast isel. With this change, 
all of MultiSource/Applications passes on Darwin/X86 under FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55982 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 06:32:02 +00:00
Dan Gohman
cf01f7a78c Remove the code that protected FastISel from aborting in 
the case of loads, stores, and conditional branches. It can
handle those now, so any that aren't handled should trigger
the abort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 02:40:04 +00:00
Evan Cheng
59fbc80f6b Fix a constant lowering bug. Now we can do load and store instructions with funky getelementptr embedded in the address operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 01:26:59 +00:00
Bill Wendling
3eb594013f Add support for floating-point calculations of log2 with limited precisions of 6 
and 18.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 00:28:24 +00:00
Anton Korobeynikov
a0e8a1e5d3 Reapply 55904: Unbreak and fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55958 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 21:13:56 +00:00
Dan Gohman
a8657e3587 Fix a few I's that were meant to be renamed to BI's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55942 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 20:37:59 +00:00
Dale Johannesen
07cabb9432 Redo the 3 existing low-precision expansions to 
use float constants.  An oversight by the numerics
people who supplied this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 18:00:26 +00:00
Bill Wendling
a425e0073d Reverting r55898 to r55909. One of these patches was causing an ICE during the full bootstrap on Darwin: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -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
-DSHARED -m64 -DL_negdi2 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_negdi2_s.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) &&
TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical
register live information"), function runOnMachineFunction, file
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp,
line 311.
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/bin/
-B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/lib/
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/include
-isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.4.0/sys-include
-O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -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
-DSHARED -m64 -DL_lshrdi3 -c ../../llvm-gcc.src/gcc/libgcc2.c -o
libgcc/x86_64/_lshrdi3_s.o
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
{standard input}:unknown:Undefined local symbol LBB21_11
{standard input}:unknown:Undefined local symbol LBB21_12
{standard input}:unknown:Undefined local symbol LBB21_13
{standard input}:unknown:Undefined local symbol LBB21_8


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55928 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 17:59:12 +00:00
Dan Gohman
942ca7f808 In visitUREM, arrange for the temporary UDIV node to be 
revisited, consistent with the code in visitSREM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55923 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:59:01 +00:00
Daniel Dunbar
1e0e04caac Add VISIBILITY_HIDDEN on SDISelAsmOperandInfo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55922 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:56:08 +00:00
Dan Gohman
a47916d379 Fix the string for ISD::UDIVREM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55917 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:30:29 +00:00
Evan Cheng
9f1185076d Avoid redefinition and nnbreak windows build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55911 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 16:01:27 +00:00
Anton Korobeynikov
d4fde0b11c Unbreak and fix indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55904 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 14:23:34 +00:00
Evan Cheng
5960e4eb68 Add fast isel physical register definition support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55892 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 08:38:20 +00:00
Bill Wendling
9a0d1ba051 Revert my previous change -- the subtraction of two constants was a no-op 
before. This is taken care of in the selection DAG pass. In my opinion, this
should be in one place or the other. I.e., it should probably be removed from
the DAG combiner (along with the other arithmetic transformations on constants
that are essentially no-ops).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55889 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-08 01:56:32 +00:00
Bill Wendling
ca460d5a39 Convert 
// fold (sub c1, c2) -> c1-c2

from a no-op into an actual transformation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55886 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 11:34:47 +00:00
Evan Cheng
f09917847b Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55880 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:04:52 +00:00
Evan Cheng
c7fcfa07d9 - Doh. Pass vector by value is bad. 
- Add a AnalyzeCallResult specialized for calls which produce a single value. This is used by fastisel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55879 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-07 09:02:18 +00:00
Dale Johannesen
853244f8a6 Next limited float precision expansion (log2 12 bits) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55866 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:49:37 +00:00
Owen Anderson
6e6074508c Revert r55859. This is breaking the build in the abscence of its companion commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55865 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 23:36:01 +00:00
Dan Gohman
8a11053f3c Move the code that inserts copies for function livein registers 
out of ScheduleDAGEmit.cpp and into SelectionDAGISel.cpp. This
allows it to be run exactly once per function, even if multiple
SelectionDAG iterations happen in the entry block, as may happen
with FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55863 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 22:59:21 +00:00
Dale Johannesen
852680a8fa Add the next limited-precision expansion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55856 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 21:27:19 +00:00
Dan Gohman
638c6830c6 FastISel support for AND and OR with type i1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55846 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:44:22 +00:00
Dale Johannesen
59e577f73c Add hooks for other intrinsics to get low-precision expansions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55845 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:38:42 +00:00
Dan Gohman
40b189e4e2 FastISel support for ConstantExprs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55843 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:18:20 +00:00
Dan Gohman
be0034e3c2 Revert r55817. It broke PIC. FastISel will need to find a different 
approach here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55842 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 18:13:01 +00:00
Evan Cheng
c89d2feb35 Add a variant of AnalyzeCallOperands that can be used by fast isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55838 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 16:59:26 +00:00
Duncan Sands
1c11debc94 "Fix" PR2762. The testcase now crashes codegen 
elsewhere due to a missing pattern for
v2f64 = sint_to_fp v2i32.  That is PR2687.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55828 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 08:13:35 +00:00
Dan Gohman
3dd168d445 Fix a search+replace-o. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55824 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:58:21 +00:00
Dale Johannesen
601d3c0145 Add -flimit-float-precision to enable some faster, 
but less accurate (non-IEEE) code sequences for
certain math library functions.  Add the first of
several such expansions.  Don't worry, if you don't
turn it on it won't affect you.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55823 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:48:15 +00:00
Dan Gohman
087c8507e5 FastISel support for unreachable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:08:41 +00:00
Dan Gohman
c7f4a8a80c In FastISel mode, the scheduler may be invoked multiple times 
in the same block. Fix the entry-block handling to only run at
at the beginning of the entry block, and not any other times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55817 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 01:07:48 +00:00
Owen Anderson
95267a1e67 Add initial support for selecting constant materializations that require constant 
pool loads on X86 in fast isel.  This isn't actually used yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55814 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-05 00:06:23 +00:00
Dan Gohman
5b2298005d Add an include of SmallSet.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55793 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 20:49:27 +00:00
Dan Gohman
ae73dc1448 Tidy up several unbeseeming casts from pointer to intptr_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 17:05:41 +00:00
Dan Gohman
6448d91ad1 Clean up uses of TargetLowering::getTargetMachine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55769 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 15:39:15 +00:00
Dale Johannesen
7794f2a3a7 Add intrinsics for log, log2, log10, exp, exp2. 
No functional change (and no FE change to generate them).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55753 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-04 00:47:13 +00:00
Dan Gohman
104e4ce162 Do trivial local CSE for constants and other non-Instruction values 
in FastISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55748 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 23:32:19 +00:00
Dan Gohman
2a7c671e2e Put RegsForValue in the llvm namespace to avoid warnings about 
classes in the llvm namespace having members with types from
anonymous namespaces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55747 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 23:18:39 +00:00
Dan Gohman
3df24e667f Create HandlePHINodesInSuccessorBlocksFast, a version of 
HandlePHINodesInSuccessorBlocks that works FastISel-style. This
allows PHI nodes to be updated correctly while using FastISel.

This also involves some code reorganization; ValueMap and
MBBMap are now members of the FastISel class, so they needn't
be passed around explicitly anymore. Also, SelectInstructions
is changed to SelectInstruction, and only does one instruction
at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 23:12:08 +00:00
Owen Anderson
d5d81a457b Oops, I accidentally broke the fallback case with my last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 17:51:57 +00:00
Owen Anderson
99aaf108cd Fix an issue where we were reusing materializations of constants in blocks not dominated by the materialization. This is 
the simple fix, materializing the constant before every use.  It might be better to either track domination of uses or
to materialize all constants and the beginning of the function and let remat sort when to do materialization at uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 17:37:03 +00:00
Dan Gohman
f0cbcd4880 Split the SelectionDAG-building code, including the FunctionLoweringInfo 
and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put
it in a separate file, SelectionDAGBuild.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 16:12:24 +00:00
Dan Gohman
94b8d7ea63 Separate MachineInstr-emitting routines from actual scheduling 
routines and move them into a separate file, ScheduleDAGEmit.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55699 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 16:01:59 +00:00
Evan Cheng
f45261fb9b If TargetSelectInstruction returns true, move to next instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55692 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-03 06:43:41 +00:00