oota-llvm.git
16 years agoSupport non-fallthrough unconditional branches in FastISel.
Dan Gohman [Fri, 22 Aug 2008 19:21:41 +0000 (19:21 +0000)]
Support non-fallthrough unconditional branches in FastISel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55191 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAnyext tweaks for x86. When extloading a value to i32 or i64, choose
Dan Gohman [Fri, 22 Aug 2008 19:19:31 +0000 (19:19 +0000)]
Anyext tweaks for x86. When extloading a value to i32 or i64, choose
instructions that define the full 32 or 64-bit value. When anyexting
from i8 to i16 or i32, it's not necessary to zero out the high
portion of the register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55190 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix typo.
Owen Anderson [Fri, 22 Aug 2008 18:26:07 +0000 (18:26 +0000)]
Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55189 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd FastISel support for PHINodes. Machine PHI nodes
Dan Gohman [Fri, 22 Aug 2008 17:37:48 +0000 (17:37 +0000)]
Add FastISel support for PHINodes. Machine PHI nodes
are not yet updated properly, but that's a separate
task.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55187 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoImplement __sync_synchronize on ppc32. Patch by Gary Benson.
Dale Johannesen [Fri, 22 Aug 2008 17:20:54 +0000 (17:20 +0000)]
Implement __sync_synchronize on ppc32.  Patch by Gary Benson.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55186 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd an empty() member to FoldingSet.
Dan Gohman [Fri, 22 Aug 2008 16:14:23 +0000 (16:14 +0000)]
Add an empty() member to FoldingSet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55182 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix SmallVector's size calculation so that a size of 0 is
Dan Gohman [Fri, 22 Aug 2008 16:07:55 +0000 (16:07 +0000)]
Fix SmallVector's size calculation so that a size of 0 is
handled correctly, and change a few SmallVector uses to use
size 0 to more clearly reflect their intent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55181 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoimprove support for systems that need unistd.h to get STDOUT_FILENO.
Chris Lattner [Fri, 22 Aug 2008 15:45:00 +0000 (15:45 +0000)]
improve support for systems that need unistd.h to get STDOUT_FILENO.
Patch contributed by Bjorn Reese!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55179 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAlso overload for char, since the "char" type depends on the host.
Nicolas Geoffray [Fri, 22 Aug 2008 08:44:47 +0000 (08:44 +0000)]
Also overload for char, since the "char" type depends on the host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55173 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoOverload for both signed and unsigned char.
Owen Anderson [Fri, 22 Aug 2008 07:42:25 +0000 (07:42 +0000)]
Overload for both signed and unsigned char.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55171 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoconsolidate DenseMapInfo implementations, and add one for std::pair.
Chris Lattner [Fri, 22 Aug 2008 05:08:25 +0000 (05:08 +0000)]
consolidate DenseMapInfo implementations, and add one for std::pair.
Patch contributed by m-s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55167 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRewrite ppc code generated for __sync_{bool|val}_compare_and_swap
Dale Johannesen [Fri, 22 Aug 2008 03:49:10 +0000 (03:49 +0000)]
Rewrite ppc code generated for __sync_{bool|val}_compare_and_swap
so that lwarx and stwcx are always executed the same number of times.
This is important for performance, I'm told.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55163 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd a few comments.
Dan Gohman [Fri, 22 Aug 2008 00:28:15 +0000 (00:28 +0000)]
Add a few comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55157 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFactor out the predicate check code from DAGISelEmitter.cpp
Dan Gohman [Fri, 22 Aug 2008 00:20:26 +0000 (00:20 +0000)]
Factor out the predicate check code from DAGISelEmitter.cpp
and use it in FastISelEmitter.cpp, and make FastISel
subtarget aware. Among other things, this lets it work
properly on x86 targets that don't have SSE, where it
successfully selects x87 instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55156 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove tabs.
Bill Wendling [Fri, 22 Aug 2008 00:04:26 +0000 (00:04 +0000)]
Remove tabs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55154 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTestcase for PR2585.
Bill Wendling [Thu, 21 Aug 2008 23:04:49 +0000 (23:04 +0000)]
Testcase for PR2585.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55151 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTemporarily reverting r55137. This was causing the bootstrap to go into an
Bill Wendling [Thu, 21 Aug 2008 22:40:10 +0000 (22:40 +0000)]
Temporarily reverting r55137. This was causing the bootstrap to go into an
infinite loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55149 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix write() when the string being written is larger than the buffer. This broke...
Owen Anderson [Thu, 21 Aug 2008 22:39:33 +0000 (22:39 +0000)]
Fix write() when the string being written is larger than the buffer.  This broke various ObjC testcases
with very long symbol names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55148 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoIf part of the mask is "undef", then ignore it as we don't care what goes into it.
Bill Wendling [Thu, 21 Aug 2008 22:36:36 +0000 (22:36 +0000)]
If part of the mask is "undef", then ignore it as we don't care what goes into it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55147 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix whitespace. No functionality change.
Bill Wendling [Thu, 21 Aug 2008 22:35:37 +0000 (22:35 +0000)]
Fix whitespace. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55146 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd -mattr=sse2 so this test doesn't fail on non-x86 hosts.
Dan Gohman [Thu, 21 Aug 2008 22:34:25 +0000 (22:34 +0000)]
Add -mattr=sse2 so this test doesn't fail on non-x86 hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55145 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake x86 and sse2 explicit for non-x86 hosts.
Dale Johannesen [Thu, 21 Aug 2008 21:26:06 +0000 (21:26 +0000)]
Make x86 and sse2 explicit for non-x86 hosts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55141 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAccept NOT of a constant vector of int.
Dale Johannesen [Thu, 21 Aug 2008 21:20:09 +0000 (21:20 +0000)]
Accept NOT of a constant vector of int.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55140 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix a number of byval / memcpy / memset related codegen issues.
Evan Cheng [Thu, 21 Aug 2008 21:00:15 +0000 (21:00 +0000)]
Fix a number of byval / memcpy / memset related codegen issues.
1. x86-64 byval alignment should be max of 8 and alignment of type. Previously the code was not doing what the commit message was saying.
2. Do not use byte repeat move and store operations. These are slow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55139 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMove non-trivial methods out of line to avoid code-size bloat.
Owen Anderson [Thu, 21 Aug 2008 20:58:52 +0000 (20:58 +0000)]
Move non-trivial methods out of line to avoid code-size bloat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55138 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix ComputeMaskedBits to handle phis correctly. We need to take the
David Greene [Thu, 21 Aug 2008 20:45:12 +0000 (20:45 +0000)]
Fix ComputeMaskedBits to handle phis correctly.  We need to take the
minimum of the known zeros.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55137 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTreat floating point ST1 the same as ST0 when lowering for a call result
Mon P Wang [Thu, 21 Aug 2008 19:54:16 +0000 (19:54 +0000)]
Treat floating point ST1 the same as ST0 when lowering for a call result

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55135 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove unneeded #include.
Owen Anderson [Thu, 21 Aug 2008 19:51:25 +0000 (19:51 +0000)]
Remove unneeded #include.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55134 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd libcalls for the new rounding opcodes.
Dan Gohman [Thu, 21 Aug 2008 18:38:14 +0000 (18:38 +0000)]
Add libcalls for the new rounding opcodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55133 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix a typo that Dale noticed.
Dan Gohman [Thu, 21 Aug 2008 18:13:12 +0000 (18:13 +0000)]
Fix a typo that Dale noticed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55132 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd libm-oriented ISD opcodes for rounding operations.
Dan Gohman [Thu, 21 Aug 2008 17:55:02 +0000 (17:55 +0000)]
Add libm-oriented ISD opcodes for rounding operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55130 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoHave FastISel skip the multiply by 1 for getelementptr on i8*.
Dan Gohman [Thu, 21 Aug 2008 17:37:05 +0000 (17:37 +0000)]
Have FastISel skip the multiply by 1 for getelementptr on i8*.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55129 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAllow inline asm nodes with empty bodies inside JIT.
Anton Korobeynikov [Thu, 21 Aug 2008 17:33:01 +0000 (17:33 +0000)]
Allow inline asm nodes with empty bodies inside JIT.
This unbreaks explicit reg vars inside JIT, which are
implemented in such hacky way :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55128 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSwitch from an O(n) method to an O(1) method for changing non-constant
Chris Lattner [Thu, 21 Aug 2008 17:31:45 +0000 (17:31 +0000)]
Switch from an O(n) method to an O(1) method for changing non-constant
operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55127 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agogetelementptr doesn't work on x86-64 yet, because it
Dan Gohman [Thu, 21 Aug 2008 17:28:42 +0000 (17:28 +0000)]
getelementptr doesn't work on x86-64 yet, because it
has MOV64ri32 and no plain MOV64ri.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55126 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMVT::getMVT uses iPTR for pointer types, while we need the actual
Dan Gohman [Thu, 21 Aug 2008 17:25:26 +0000 (17:25 +0000)]
MVT::getMVT uses iPTR for pointer types, while we need the actual
intptr_t type in this case. FastISel can now select simple
getelementptr instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55125 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSimplify SelectRoot's interface, and factor out some common code
Dan Gohman [Thu, 21 Aug 2008 16:36:34 +0000 (16:36 +0000)]
Simplify SelectRoot's interface, and factor out some common code
from all targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55124 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoElements in DeadNodeSet are checked for use_empty() before they
Dan Gohman [Thu, 21 Aug 2008 16:24:54 +0000 (16:24 +0000)]
Elements in DeadNodeSet are checked for use_empty() before they
are actually deleted, so it's not necessary to remove re-used
nodes from the set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55123 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSelectionDAGISel::SelectRootInit does not need to be virtual.
Dan Gohman [Thu, 21 Aug 2008 16:06:51 +0000 (16:06 +0000)]
SelectionDAGISel::SelectRootInit does not need to be virtual.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55122 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake HandleSDNode::getValue return an SDValue instead of
Dan Gohman [Thu, 21 Aug 2008 16:02:46 +0000 (16:02 +0000)]
Make HandleSDNode::getValue return an SDValue instead of
the full SDUse, which isn't needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55121 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDon't silently ignore errors when opening output streams.
Dan Gohman [Thu, 21 Aug 2008 15:33:45 +0000 (15:33 +0000)]
Don't silently ignore errors when opening output streams.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55120 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoClean up whitespace.
Bill Wendling [Thu, 21 Aug 2008 08:38:54 +0000 (08:38 +0000)]
Clean up whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55117 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoremove redundant include
Chris Lattner [Thu, 21 Aug 2008 06:41:07 +0000 (06:41 +0000)]
remove redundant include

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55116 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix the build with gcc 4.3 as the host, patch by Zhongxing Xu!
Chris Lattner [Thu, 21 Aug 2008 06:25:28 +0000 (06:25 +0000)]
Fix the build with gcc 4.3 as the host, patch by Zhongxing Xu!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55115 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoImplement operator<< in terms of basic types rather than [u]int*_t, which is better...
Owen Anderson [Thu, 21 Aug 2008 06:20:47 +0000 (06:20 +0000)]
Implement operator<< in terms of basic types rather than [u]int*_t, which is better for portability.  There might be some way to factor this all with metaprogramming magic, but I'm not sure how offhand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55114 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRevert r54876 r54877 r54906 and r54907. Evan found that these caused a 20%
Nick Lewycky [Thu, 21 Aug 2008 05:56:10 +0000 (05:56 +0000)]
Revert r54876 r54877 r54906 and r54907. Evan found that these caused a 20%
slowdown in bzip2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55113 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agounbreak the CBE on treeadd an many others.
Chris Lattner [Thu, 21 Aug 2008 05:51:43 +0000 (05:51 +0000)]
unbreak the CBE on treeadd an many others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55112 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix build on GCC 4.3.
Nick Lewycky [Thu, 21 Aug 2008 05:36:03 +0000 (05:36 +0000)]
Fix build on GCC 4.3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55110 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove size_t operator; this unbreaks the build on Linux. Committing on
Eli Friedman [Thu, 21 Aug 2008 04:28:31 +0000 (04:28 +0000)]
Remove size_t operator; this unbreaks the build on Linux.  Committing on
the suggestion of resistor.

If this breaks some other platform, please go ahead and back this out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55106 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agorecommit bcreader, handling packed structs correctly. Apparently
Chris Lattner [Thu, 21 Aug 2008 02:34:16 +0000 (02:34 +0000)]
recommit bcreader, handling packed structs correctly.  Apparently
people want fast *and* correct.  Sheesh.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55102 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRevert 55090, regressions in:
Daniel Dunbar [Thu, 21 Aug 2008 01:54:58 +0000 (01:54 +0000)]
Revert 55090, regressions in:
 - Postgres
 - llvm-test/SingleSource/UnitTests/{2006-01-23-InitializedBitField,
   2004-11-28-GlobalBoolLayout, 2003-05-02-DependentPHI}

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55100 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoBasic fast-isel support for instructions with constant int operands.
Dan Gohman [Thu, 21 Aug 2008 01:41:07 +0000 (01:41 +0000)]
Basic fast-isel support for instructions with constant int operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55099 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoType of first GEP operand is always the same as the target pointer type.
Evan Cheng [Thu, 21 Aug 2008 01:19:11 +0000 (01:19 +0000)]
Type of first GEP operand is always the same as the target pointer type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55097 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove the code that limited FastISel to certain fixed signatures.
Dan Gohman [Thu, 21 Aug 2008 00:35:26 +0000 (00:35 +0000)]
Remove the code that limited FastISel to certain fixed signatures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55096 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoImprove the doxygen comment for SelectInstructions::SelectInstructions.
Dan Gohman [Thu, 21 Aug 2008 00:19:43 +0000 (00:19 +0000)]
Improve the doxygen comment for SelectInstructions::SelectInstructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55094 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoBegin making more use of the FastISelEmitter class.
Dan Gohman [Thu, 21 Aug 2008 00:19:05 +0000 (00:19 +0000)]
Begin making more use of the FastISelEmitter class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55093 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse raw_ostream throughout the AsmPrinter.
Owen Anderson [Thu, 21 Aug 2008 00:14:44 +0000 (00:14 +0000)]
Use raw_ostream throughout the AsmPrinter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55092 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix an N^2 issue handling constant resolution due to RAUW in large arrays
Chris Lattner [Thu, 21 Aug 2008 00:11:50 +0000 (00:11 +0000)]
Fix an N^2 issue handling constant resolution due to RAUW in large arrays
this speeds up the bcreader from 6.67s to 0.12s on a testcase Daniel
provided.  rdar://6158117

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55090 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix unused variable warnings.
Dan Gohman [Wed, 20 Aug 2008 23:53:10 +0000 (23:53 +0000)]
Fix unused variable warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55089 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSilence a compiler warning.
Evan Cheng [Wed, 20 Aug 2008 23:36:48 +0000 (23:36 +0000)]
Silence a compiler warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55087 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFirst cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst.
Evan Cheng [Wed, 20 Aug 2008 22:45:34 +0000 (22:45 +0000)]
First cut, un-optimized (and untested) fast isel lowering of GetElementPtrInst.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55085 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd a new ConstantExpr::getWithOperands that takes any array of operands
Chris Lattner [Wed, 20 Aug 2008 22:27:40 +0000 (22:27 +0000)]
Add a new ConstantExpr::getWithOperands that takes any array of operands
instead of requiring an std::vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55084 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove an obsolete todo comment.
Dan Gohman [Wed, 20 Aug 2008 21:47:28 +0000 (21:47 +0000)]
Remove an obsolete todo comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55080 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFactor the code for determining the target-specific instruction
Dan Gohman [Wed, 20 Aug 2008 21:45:57 +0000 (21:45 +0000)]
Factor the code for determining the target-specific instruction
namespace out of the isel emitters and into common code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55079 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMove the handling of ANY_EXTEND, SIGN_EXTEND_INREG, and TRUNCATE
Dan Gohman [Wed, 20 Aug 2008 21:27:32 +0000 (21:27 +0000)]
Move the handling of ANY_EXTEND, SIGN_EXTEND_INREG, and TRUNCATE
out of X86ISelDAGToDAG.cpp C++ code and into tablegen code.
Among other things, using tablegen for these things makes them
friendlier to FastISel.

Tablegen can handle the case of i8 subregs on x86-32, but currently
the C++ code for that case uses MVT::Flag in a tricky way, and it
happens to schedule better in some cases. So for now, leave the
C++ code in place to handle the i8 case on x86-32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55078 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSimplify the BuildMI calls even more.
Dan Gohman [Wed, 20 Aug 2008 21:10:53 +0000 (21:10 +0000)]
Simplify the BuildMI calls even more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55077 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSimplify FastISel's constructor argument list, make the FastISel
Dan Gohman [Wed, 20 Aug 2008 21:05:57 +0000 (21:05 +0000)]
Simplify FastISel's constructor argument list, make the FastISel
class hold a MachineRegisterInfo member, and make the
MachineBasicBlock be passed in to SelectInstructions rather
than the FastISel constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55076 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDump the instruction that foiled ISel even when -debug is not used.
Dan Gohman [Wed, 20 Aug 2008 20:47:32 +0000 (20:47 +0000)]
Dump the instruction that foiled ISel even when -debug is not used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55075 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDon't hoist instructions that define a physical register.
Bill Wendling [Wed, 20 Aug 2008 20:32:05 +0000 (20:32 +0000)]
Don't hoist instructions that define a physical register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55074 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake more use of the BuildMI API.
Dan Gohman [Wed, 20 Aug 2008 18:16:32 +0000 (18:16 +0000)]
Make more use of the BuildMI API.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55072 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMinor code reorganization.
Dan Gohman [Wed, 20 Aug 2008 18:10:48 +0000 (18:10 +0000)]
Minor code reorganization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55071 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMinor whitespace cleanup.
Dan Gohman [Wed, 20 Aug 2008 18:09:38 +0000 (18:09 +0000)]
Minor whitespace cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55070 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix 80 column violation.
Dan Gohman [Wed, 20 Aug 2008 18:09:02 +0000 (18:09 +0000)]
Fix 80 column violation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55069 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoKill off SimpleBBISel, it's replaced by FastISel.
Evan Cheng [Wed, 20 Aug 2008 17:50:32 +0000 (17:50 +0000)]
Kill off SimpleBBISel, it's replaced by FastISel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55067 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMove the fast-path (<=i64) cases of various APInt methods inline
Chris Lattner [Wed, 20 Aug 2008 17:02:31 +0000 (17:02 +0000)]
Move the fast-path (<=i64) cases of various APInt methods inline
and the slow-path cases out of line.  This speeds up instcombine
a bit in real world cases.  Patch contributed by m-s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55063 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDisable DAGCombine's alignment inference in "fast" codegen mode.
Dan Gohman [Wed, 20 Aug 2008 16:30:28 +0000 (16:30 +0000)]
Disable DAGCombine's alignment inference in "fast" codegen mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55059 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoChange the FoldingSetNodeID usage for objects which carry
Dan Gohman [Wed, 20 Aug 2008 15:58:01 +0000 (15:58 +0000)]
Change the FoldingSetNodeID usage for objects which carry
alignment and volatility information, such as loads and
stores, to reduce the number of integer values added to
the FoldingSetNodeID.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55058 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoClean up a dead return missed in r55055.
Dan Gohman [Wed, 20 Aug 2008 15:54:46 +0000 (15:54 +0000)]
Clean up a dead return missed in r55055.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55057 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTablegen generated code already tests the opcode value, so it's not
Dan Gohman [Wed, 20 Aug 2008 15:24:22 +0000 (15:24 +0000)]
Tablegen generated code already tests the opcode value, so it's not
necessary to use dyn_cast in these predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55055 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse BitVector instead of std::vector<unsigned char>.
Dan Gohman [Wed, 20 Aug 2008 14:58:41 +0000 (14:58 +0000)]
Use BitVector instead of std::vector<unsigned char>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55054 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoIt's not necessary to check if a value is null before delete[].
Dan Gohman [Wed, 20 Aug 2008 14:55:37 +0000 (14:55 +0000)]
It's not necessary to check if a value is null before delete[].

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55053 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse cast instead of dyn_cast.
Dan Gohman [Wed, 20 Aug 2008 14:50:24 +0000 (14:50 +0000)]
Use cast instead of dyn_cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55052 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAvoid an empty-if-body warning in release builds.
Dan Gohman [Wed, 20 Aug 2008 14:00:56 +0000 (14:00 +0000)]
Avoid an empty-if-body warning in release builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55050 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix indentation.
Dan Gohman [Wed, 20 Aug 2008 13:50:12 +0000 (13:50 +0000)]
Fix indentation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55049 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix comment spacing.
Dan Gohman [Wed, 20 Aug 2008 13:46:21 +0000 (13:46 +0000)]
Fix comment spacing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55047 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFixed shuffle optimizations to handle non power of 2 vectors
Mon P Wang [Wed, 20 Aug 2008 02:23:25 +0000 (02:23 +0000)]
Fixed shuffle optimizations to handle non power of 2 vectors

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55035 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix the string for MVT::isVoid.
Dan Gohman [Wed, 20 Aug 2008 01:44:30 +0000 (01:44 +0000)]
Fix the string for MVT::isVoid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55034 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix FastISel to recognize that the last block in the function does
Dan Gohman [Wed, 20 Aug 2008 01:17:01 +0000 (01:17 +0000)]
Fix FastISel to recognize that the last block in the function does
not have a fall-through successor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55033 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix a leak in the FastISel code that Chris pointed out.
Dan Gohman [Wed, 20 Aug 2008 00:56:17 +0000 (00:56 +0000)]
Fix a leak in the FastISel code that Chris pointed out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55031 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd a -march line for this test, and run it on x86-64 too for fun.
Dan Gohman [Wed, 20 Aug 2008 00:56:07 +0000 (00:56 +0000)]
Add a -march line for this test, and run it on x86-64 too for fun.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55030 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd remaining 64-bit atomic patterns for x86-64.
Dale Johannesen [Wed, 20 Aug 2008 00:48:50 +0000 (00:48 +0000)]
Add remaining 64-bit atomic patterns for x86-64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55029 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd support for running SelectionDAG if FastISel fails. This is under
Dan Gohman [Wed, 20 Aug 2008 00:47:54 +0000 (00:47 +0000)]
Add support for running SelectionDAG if FastISel fails. This is under
a command-line option, so that the default behavior is an abort, which
is useful for exposing code that isn't supported yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55028 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix FastISel to recognize unhandled operands, such as constants
Dan Gohman [Wed, 20 Aug 2008 00:35:17 +0000 (00:35 +0000)]
Fix FastISel to recognize unhandled operands, such as constants
that aren't available as virtual registers (for now).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55026 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoll printer prints each zeroinit on the same line now, update regex
Chris Lattner [Wed, 20 Aug 2008 00:33:57 +0000 (00:33 +0000)]
ll printer prints each zeroinit on the same line now, update regex

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55025 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRevert r55018 and apply the correct "fix" for the 64-bit sub_and_fetch atomic.
Bill Wendling [Wed, 20 Aug 2008 00:28:16 +0000 (00:28 +0000)]
Revert r55018 and apply the correct "fix" for the 64-bit sub_and_fetch atomic.
Just expand it like the other X-bit sub_and_fetches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55023 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoGet rid of a couple of dynamic_cast.
Evan Cheng [Wed, 20 Aug 2008 00:28:12 +0000 (00:28 +0000)]
Get rid of a couple of dynamic_cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55022 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd FastISel support for floating-point operations.
Dan Gohman [Wed, 20 Aug 2008 00:23:20 +0000 (00:23 +0000)]
Add FastISel support for floating-point operations.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55021 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd FastISel support for several more binary operators.
Dan Gohman [Wed, 20 Aug 2008 00:11:48 +0000 (00:11 +0000)]
Add FastISel support for several more binary operators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55020 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd support for the __sync_sub_and_fetch atomics and friends for X86. The code
Bill Wendling [Tue, 19 Aug 2008 23:09:18 +0000 (23:09 +0000)]
Add support for the __sync_sub_and_fetch atomics and friends for X86. The code
was already present, but not hooked up to anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55018 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFast-isel is now *minimally* functional. Add a testcase to
Dan Gohman [Tue, 19 Aug 2008 22:37:59 +0000 (22:37 +0000)]
Fast-isel is now *minimally* functional. Add a testcase to
demonstrate the extent of its capabilities. Note that it
only attempts to operate on one of the blocks in this
testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55016 91177308-0d34-0410-b5e6-96231b3b80d8