Evan Cheng
50b3b50cd0
Fix a potential bug.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31634 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 09:13:37 +00:00
Evan Cheng
438f7bc67c
Add implicit def / use operands to MachineInstr.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31633 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 08:43:01 +00:00
Evan Cheng
a7ff64d608
When forming a pre-indexed store, make sure ptr isn't the same or is a pred of value being stored. It would cause a cycle.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31631 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 08:28:11 +00:00
Chris Lattner
1e7aa5c209
commentate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31627 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 04:41:34 +00:00
Chris Lattner
4eab71497d
add an initial cut at preinc loads for ppc32. This is broken for ppc64
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(because the 64-bit reg target versions aren't implemented yet), doesn't
support r+r addr modes, and doesn't handle stores, but it works otherwise. :)
This is disabled unless -enable-ppc-preinc is passed to llc for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31621 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 02:08:47 +00:00
Chris Lattner
26ddb506ec
add note about ugly codegen with preinc
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31617 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 01:33:53 +00:00
Evan Cheng
171d09ea53
Use TargetInstrInfo::getNumOperands() instead of MachineInstr::getNumOperands(). In preparation for implicit reg def/use changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31616 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 01:28:43 +00:00
Anton Korobeynikov
df78611726
Fixing PR990: http://llvm.org/PR990 .
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This should unbreak csretcc on Linux & mingw targets. Several tests from
llvm-test should be also restored (fftbench, bigfib).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31613 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 00:48:11 +00:00
Chris Lattner
578d2df84b
add a note about viterbi
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31612 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-10 00:23:26 +00:00
Chris Lattner
08ff1480ff
second patch to fix PR992/993.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31610 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 23:36:08 +00:00
Chris Lattner
a9d709d51a
Minimal patch to fix PR992/PR993
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31608 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 23:17:45 +00:00
Chris Lattner
9cab56d59e
if lazy compilation is disabled, print an error message and abort if
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lazy compilation is ever attempted
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31602 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:32:13 +00:00
Chris Lattner
3d6e33d2a3
init ivar
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31601 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:31:15 +00:00
Evan Cheng
cd63319227
PPC supports i32 / i64 pre-inc load / store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31599 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:11:50 +00:00
Evan Cheng
8dc5cad8a2
Don't attempt expensive pre-/post- indexed dag combine if target does not support them.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31598 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 19:10:46 +00:00
Evan Cheng
5ff839fbab
Add a mechanism to specify whether a target supports a particular indexed load / store.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31597 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 18:56:43 +00:00
Evan Cheng
0030582239
Rename ISD::MemOpAddrMode to ISD::MemIndexedMode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31596 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 18:44:21 +00:00
Evan Cheng
144d8f09e1
Rename ISD::MemOpAddrMode to ISD::MemIndexedMode
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31595 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 17:55:04 +00:00
Jim Laskey
85f419b36c
Allows debugging llc self hosted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31594 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 16:32:26 +00:00
Jim Laskey
5496f01465
Merging dwarf info to a single compile unit.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31593 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 14:52:14 +00:00
Rafael Espindola
f819a4999a
implement load effective address similar to the alpha backend
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remove lea_addri and the now unused memri addressing mode
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31592 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 13:58:55 +00:00
Chris Lattner
b324bd735f
silence warnings
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31587 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 05:18:12 +00:00
Chris Lattner
b4a2f059ad
Teach ShrinkDemandedConstant how to handle X+C. This implements:
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add.ll:test33, add.ll:test34, shift-sra.ll:test2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31586 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 05:12:27 +00:00
Evan Cheng
d258efaf6e
getPostIndexedAddressParts change: passes in load/store instead of its loaded / stored VT.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31584 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 04:29:46 +00:00
Evan Cheng
a1fd6504aa
Remove M_2_ADDR_FLAG.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31583 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-09 02:22:54 +00:00
Evan Cheng
81fd60722a
Added indexed store node and patfrag's.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31576 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 23:02:11 +00:00
Reid Spencer
6996feb77e
Bump the bytecode version number to 7. Implement upgrade of version 6 and
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version 6 bytecode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31573 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 21:27:54 +00:00
Evan Cheng
aacf99964f
Use movl+xchgl instead of pushl+popl.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31572 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 20:35:37 +00:00
Evan Cheng
0d53826f36
Match tblegen changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31571 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 20:34:28 +00:00
Evan Cheng
b00dddd164
Match more post-indexed ops.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31569 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 20:27:27 +00:00
Chris Lattner
53738a4dbf
reenable factoring of GEP expressions, being more precise about the
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case that it bad to do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31563 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 19:42:28 +00:00
Chris Lattner
f6fd94d3fa
make this code more efficient by not creating a phi node we are just going to
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delete in the first place. This also makes it simpler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31562 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 19:29:23 +00:00
Jim Laskey
d6c3422e31
Remove redundant <cmath>.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31561 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 19:16:44 +00:00
Chris Lattner
f0cd7085c1
disable this factoring optzn for GEPs for now, this severely pessimizes some
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loops.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31560 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 18:49:31 +00:00
Rafael Espindola
6e8c6493f0
initial implementation of addressing mode 2
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TODO: fix lea_addri
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31552 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 17:07:32 +00:00
John Criswell
72a780f577
Include llvm/Support/DataTypes.h to define intptr_t.
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This fixes the build on OpenBSD and potentially other systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31550 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 15:04:35 +00:00
Jim Laskey
6ea0f6bce8
Now can re-enable debug label folding.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31549 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 14:17:45 +00:00
Devang Patel
c63592b19e
Split FunctionPassManager_New into FunctionPassManager_New and FunctionPassManagerImpl_New.
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FunctionPassManagerImpl_New implements the pass manager.
FunctionPassManager_New is the public interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31547 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 10:44:40 +00:00
Devang Patel
5a39b2e806
Split PassManager_New into PassManager_New and PassManagerImpl_New.
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PassManagerImpl_New implements the pass manager.
PassManager_New is the public interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31546 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 10:29:57 +00:00
Devang Patel
c67c938de2
Move BasicBlockPassManager_New, FunctionPassManager_New and
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ModulePassManager_New class declarations from PassManager.h
to PassManager.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31545 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 10:05:38 +00:00
Evan Cheng
03fa6ea402
- When performing pre-/post- indexed load/store transformation, do not worry
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about whether the new base ptr would be live below the load/store. Let two
address pass split it back to non-indexed ops.
- Minor tweaks / fixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31544 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 08:30:28 +00:00
Evan Cheng
a4f53ef527
Fixed a minor bug preventing some pre-indexed load / store transformation.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31543 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 06:56:05 +00:00
Reid Spencer
3822ff5c71
For PR950:
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This patch converts the old SHR instruction into two instructions,
AShr (Arithmetic) and LShr (Logical). The Shr instructions now are not
dependent on the sign of their operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31542 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 06:47:33 +00:00
Chris Lattner
f49c1766e5
regenerate
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31539 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 05:58:47 +00:00
Chris Lattner
39033699d2
Fix a bug noticed by Emil Mikulic.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31538 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 05:58:11 +00:00
Evan Cheng
6c1491dd06
Fix a obscure post-indexed load / store dag combine bug.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31537 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 02:38:55 +00:00
Chris Lattner
fc5b1ab949
Refactor all the addressing mode selection stuff into the isel lowering
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class, where it can be used for preinc formation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31536 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 02:15:41 +00:00
Chris Lattner
302bf9c973
correct the (currently unused) pattern for lwzu.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31535 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 02:13:12 +00:00
Devang Patel
2c5d1851bb
Beautify.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31533 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 01:31:28 +00:00
Chris Lattner
5d056952ba
optimize single MBB loops better. In particular, produce:
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LBB1_57: #bb207.i
movl 72(%esp), %ecx
movb (%ecx,%eax), %cl
movl 80(%esp), %edx
movb %cl, 1(%edx,%eax)
incl %eax
cmpl $143, %eax
jne LBB1_57 #bb207.i
jmp LBB1_64 #cond_next255.i
intead of:
LBB1_57: #bb207.i
movl 72(%esp), %ecx
movb (%ecx,%eax), %cl
movl 80(%esp), %edx
movb %cl, 1(%edx,%eax)
incl %eax
cmpl $143, %eax
je LBB1_64 #cond_next255.i
jmp LBB1_57 #bb207.i
This eliminates a branch per iteration of the loop. This hurted PPC
particularly, because the extra branch meant another dispatch group for each
iteration of the loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31530 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-08 01:03:21 +00:00