oota-llvm.git
16 years agoReduce x - y to -y when we know the 'x' part will get masked off anyways.
Nick Lewycky [Wed, 9 Jul 2008 04:32:37 +0000 (04:32 +0000)]
Reduce x - y to -y when we know the 'x' part will get masked off anyways.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53271 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMipsTargetLowering cleanup
Bruno Cardoso Lopes [Wed, 9 Jul 2008 04:15:08 +0000 (04:15 +0000)]
MipsTargetLowering cleanup

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53270 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove getValueRange from SCEV. It wasn't doing anything there anyways, and a
Nick Lewycky [Wed, 9 Jul 2008 03:21:51 +0000 (03:21 +0000)]
Remove getValueRange from SCEV. It wasn't doing anything there anyways, and a
more complete version is now available from the LoopVR pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53269 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoConsistently put quotes around pass names in debugging output.
Dan Gohman [Wed, 9 Jul 2008 00:50:40 +0000 (00:50 +0000)]
Consistently put quotes around pass names in debugging output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53268 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoIf loop induction variable's start value is less then its exit value then do not...
Devang Patel [Wed, 9 Jul 2008 00:12:01 +0000 (00:12 +0000)]
If loop induction variable's start value is less then its exit value then do not split the loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53265 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoconst-ify SelectionDAG::getNodeValueTypes.
Dan Gohman [Wed, 9 Jul 2008 00:00:42 +0000 (00:00 +0000)]
const-ify SelectionDAG::getNodeValueTypes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53264 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoIt's no longer necessary to test if a MachineBasicBlock's
Dan Gohman [Tue, 8 Jul 2008 23:59:09 +0000 (23:59 +0000)]
It's no longer necessary to test if a MachineBasicBlock's
parent is non-null. It now always is.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53263 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoVerify that MachineMemOperand alignment is a non-zero power of 2.
Dan Gohman [Tue, 8 Jul 2008 23:47:04 +0000 (23:47 +0000)]
Verify that MachineMemOperand alignment is a non-zero power of 2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53262 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFactor out the code for computing an alignment value, and make it
Dan Gohman [Tue, 8 Jul 2008 23:46:32 +0000 (23:46 +0000)]
Factor out the code for computing an alignment value, and make it
available to getAtomic in addition to just getLoad and getStore,
to prevent MachineMemOperands with 0 alignment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53261 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix the build. Apparently MachineInstr& is no longer implicitly convertable to Machi...
Owen Anderson [Tue, 8 Jul 2008 23:36:37 +0000 (23:36 +0000)]
Fix the build.  Apparently MachineInstr& is no longer implicitly convertable to MachineBasicBlock::iterator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53260 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoThe graph name really does matter for configurations that use gv.
Dan Gohman [Tue, 8 Jul 2008 23:33:46 +0000 (23:33 +0000)]
The graph name really does matter for configurations that use gv.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53259 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake the local register allocator compute (purely local) liveness information for...
Owen Anderson [Tue, 8 Jul 2008 22:24:50 +0000 (22:24 +0000)]
Make the local register allocator compute (purely local) liveness information for itself
rather than depending on LiveVariables.  This decreases compile time from:
0.5909s (LV + Regalloc) to 0.421s (just regalloc).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53256 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTestcase for debug info from data-only files.
Dale Johannesen [Tue, 8 Jul 2008 21:57:56 +0000 (21:57 +0000)]
Testcase for debug info from data-only files.
This one is x86-32-Darwin specific.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53255 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake debug info come out in data-only files.
Dale Johannesen [Tue, 8 Jul 2008 21:56:22 +0000 (21:56 +0000)]
Make debug info come out in data-only files.

This is a question of the debugging setup code not
being called at the right time, and it's called from
target-dependent code for some reason.  I have only
attempted to fix Darwin, but I'm pretty sure it's
broken elsewhere; I'll leave that to people who can
test it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53254 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove some dead code.
Dale Johannesen [Tue, 8 Jul 2008 21:53:43 +0000 (21:53 +0000)]
Remove some dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53253 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agofix dangling pointer and argv off by one errors. Add support for --disable-inlining
Nick Kledzik [Tue, 8 Jul 2008 21:14:10 +0000 (21:14 +0000)]
fix dangling pointer and argv off by one errors.  Add support for --disable-inlining

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53249 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDo not CSE DEBUG_LOC, DBG_LABEL, DBG_STOPPOINT, DECLARE, and EH_LABEL SDNode's. This...
Evan Cheng [Tue, 8 Jul 2008 20:06:39 +0000 (20:06 +0000)]
Do not CSE DEBUG_LOC, DBG_LABEL, DBG_STOPPOINT, DECLARE, and EH_LABEL SDNode's. This improves compile time slightly at -O0 -g.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53246 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove custom expansion from LegalizeTypes when doing
Duncan Sands [Tue, 8 Jul 2008 20:03:24 +0000 (20:03 +0000)]
Remove custom expansion from LegalizeTypes when doing
soft float: experiments show that targets aren't
expecting this for results or for operands.  Add
support select/select_cc result soft float and
correct operand soft float for these.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53245 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd missing select_cc libcall line, somehow omitted
Duncan Sands [Tue, 8 Jul 2008 20:00:05 +0000 (20:00 +0000)]
Add missing select_cc libcall line, somehow omitted
in LegalizeTypes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53244 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoimprove comment
Chris Lattner [Tue, 8 Jul 2008 18:47:38 +0000 (18:47 +0000)]
improve comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53243 91177308-0d34-0410-b5e6-96231b3b80d8

16 years ago'Optimize' test
Chris Lattner [Tue, 8 Jul 2008 18:33:33 +0000 (18:33 +0000)]
'Optimize' test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53242 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd a new hidden option to the interpreter to cause it to print
Chris Lattner [Tue, 8 Jul 2008 17:25:49 +0000 (17:25 +0000)]
Add a new hidden option to the interpreter to cause it to print
out every volatile load and store.  This is useful for tracking
down insane volatile memory bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53241 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix PR2496, a really nasty bug which involved sinking volatile loads
Chris Lattner [Tue, 8 Jul 2008 17:18:32 +0000 (17:18 +0000)]
Fix PR2496, a really nasty bug which involved sinking volatile loads
into phis.  This is actually the same bug as PR2262 /
2008-04-29-VolatileLoadDontMerge.ll, but I missed checking the first
predecessor for multiple successors.  Testcase here:
InstCombine/2008-07-08-VolatileLoadMerge.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53240 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agonew testcase for PR2496
Chris Lattner [Tue, 8 Jul 2008 17:18:05 +0000 (17:18 +0000)]
new testcase for PR2496

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53239 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUnbreak C++ tests on x86 Darwin.
Evan Cheng [Tue, 8 Jul 2008 16:40:43 +0000 (16:40 +0000)]
Unbreak C++ tests on x86 Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53237 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoGlobal variables beginning with \01 have special meaning on Darwin, so we need to...
Owen Anderson [Tue, 8 Jul 2008 16:38:42 +0000 (16:38 +0000)]
Global variables beginning with \01 have special meaning on Darwin, so we need to remove
the name prefix when we change them from internal to external.  This allows bugpointing
of codegen miscompilations to work more reliably on Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53236 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoLegalizeTypes support for FP_ROUND and FP_EXTEND
Duncan Sands [Tue, 8 Jul 2008 10:50:55 +0000 (10:50 +0000)]
LegalizeTypes support for FP_ROUND and FP_EXTEND
soft float.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53231 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTestcase for PR2520.
Duncan Sands [Tue, 8 Jul 2008 10:11:36 +0000 (10:11 +0000)]
Testcase for PR2520.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53230 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd some helpers for manipulating function
Duncan Sands [Tue, 8 Jul 2008 09:41:30 +0000 (09:41 +0000)]
Add some helpers for manipulating function
parameter attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53228 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoPacify gcc-4.3.
Duncan Sands [Tue, 8 Jul 2008 09:33:14 +0000 (09:33 +0000)]
Pacify gcc-4.3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53227 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoNote that 'nest' only applies to pointers.
Duncan Sands [Tue, 8 Jul 2008 09:27:25 +0000 (09:27 +0000)]
Note that 'nest' only applies to pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53226 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd CallSite::getArgumentNo() to be able to translate an operand number into a
Matthijs Kooijman [Tue, 8 Jul 2008 08:51:47 +0000 (08:51 +0000)]
Add CallSite::getArgumentNo() to be able to translate an operand number into a
argument number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53225 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd CallSite::getArgumentOffset() to hide the differences in operands betwen
Matthijs Kooijman [Tue, 8 Jul 2008 08:50:32 +0000 (08:50 +0000)]
Add CallSite::getArgumentOffset() to hide the differences in operands betwen
Call and Invoke in a single method instead of having it hardcoded in multiple
places.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53224 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd some convenience methods for manipulating
Duncan Sands [Tue, 8 Jul 2008 08:38:44 +0000 (08:38 +0000)]
Add some convenience methods for manipulating
call attributes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53223 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix three bugs:
Chris Lattner [Tue, 8 Jul 2008 05:46:34 +0000 (05:46 +0000)]
Fix three bugs:

1) evaluate [v]fcmp true/false with undefs to true or false instead
   of undef.
2) fix vector comparisons with undef to return a vector result instead
   of i1
3) fix vector comparisons with evaluatable results to return vector
   true/false instead of i1 true/false (PR2529)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53220 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoclarify :)
Chris Lattner [Tue, 8 Jul 2008 05:12:37 +0000 (05:12 +0000)]
clarify :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53218 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoExpand SCEVUDiv of power of 2 to a lshr instruction.
Nick Lewycky [Tue, 8 Jul 2008 05:05:37 +0000 (05:05 +0000)]
Expand SCEVUDiv of power of 2 to a lshr instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53217 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAvoid unnecessary string construction during asm printing.
Evan Cheng [Tue, 8 Jul 2008 00:55:58 +0000 (00:55 +0000)]
Avoid unnecessary string construction during asm printing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53215 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoadd _lto_codegen_debug_options so that linker can use it
Nick Kledzik [Mon, 7 Jul 2008 23:24:06 +0000 (23:24 +0000)]
add _lto_codegen_debug_options so that linker can use it

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53213 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoPool-allocation for MachineInstrs, MachineBasicBlocks, and
Dan Gohman [Mon, 7 Jul 2008 23:14:23 +0000 (23:14 +0000)]
Pool-allocation for MachineInstrs, MachineBasicBlocks, and
MachineMemOperands. The pools are owned by MachineFunctions.

This drastically reduces the number of calls to malloc/free made
during the "Emit" phase of scheduling, as well as later phases
in CodeGen. Combined with other changes, this speeds up the
"instruction selection" phase of CodeGen by 10% in some cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53212 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoPool-allocation for SDNodes. The pool is allocated once for each function,
Dan Gohman [Mon, 7 Jul 2008 23:02:41 +0000 (23:02 +0000)]
Pool-allocation for SDNodes. The pool is allocated once for each function,
and reused across SelectionDAGs.

This drastically reduces the number of calls to malloc/free made during
instruction selection, and improves memory locality.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53211 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd some basic Pool-allocation infrastructure. This adds a Recycler class,
Dan Gohman [Mon, 7 Jul 2008 22:58:06 +0000 (22:58 +0000)]
Add some basic Pool-allocation infrastructure. This adds a Recycler class,
for handling bookkeeping for deleted objects, as well as the alist class
template, for keeping lists of objects allocated from Recyclers, and some
related utilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53210 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoClean up PPC register specification.
Evan Cheng [Mon, 7 Jul 2008 22:22:07 +0000 (22:22 +0000)]
Clean up PPC register specification.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53209 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoATT asm printer just print register AsmName's instead of calling tolower on each...
Evan Cheng [Mon, 7 Jul 2008 22:21:06 +0000 (22:21 +0000)]
ATT asm printer just print register AsmName's instead of calling tolower on each charater of Name. This speeds it up by 10%.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53208 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTargetRegisterDesc::Name field is the same as the abstract register name. There is...
Evan Cheng [Mon, 7 Jul 2008 22:19:41 +0000 (22:19 +0000)]
TargetRegisterDesc::Name field is the same as the abstract register name. There is no need for targets to specify register names in addition to their AsmName's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53207 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse the canonical way to get an empty structure.
Bill Wendling [Mon, 7 Jul 2008 21:41:57 +0000 (21:41 +0000)]
Use the canonical way to get an empty structure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53206 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRefactor the tablegen DAGISelEmitter code for outputing calls to
Dan Gohman [Mon, 7 Jul 2008 21:00:17 +0000 (21:00 +0000)]
Refactor the tablegen DAGISelEmitter code for outputing calls to
getTargetNode and SelectNodeTo to reduce duplication, and to
make some of the getTargetNode code available to SelectNodeTo.
Use SelectNodeTo instead of getTargetNode in several new
interesting cases, as it mutates nodes in place instead of
creating new ones.

This triggers some scheduling behavior differences due to nodes
being presented to the scheduler in a different order. Some of the
arbitrary scheduling decisions it makes are now arbitrarily made
differently. This is visible in CodeGen/PowerPC/LargeAbsoluteAddr.ll,
where a trivial scheduling difference led to a trivial register
allocation difference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53203 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse StringMap for greater justice!
Bill Wendling [Mon, 7 Jul 2008 20:59:31 +0000 (20:59 +0000)]
Use StringMap for greater justice!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53202 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix SDNode::MorphNodeTo (a function used by by SelectNodeTo) to
Dan Gohman [Mon, 7 Jul 2008 20:57:48 +0000 (20:57 +0000)]
Fix SDNode::MorphNodeTo (a function used by by SelectNodeTo) to
properly track dead nodes that are on the original SDNode's operand
list but not the new one, and have no other uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53201 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMove MachineMemOperand's constructor out of line, to avoid a
Dan Gohman [Mon, 7 Jul 2008 20:32:02 +0000 (20:32 +0000)]
Move MachineMemOperand's constructor out of line, to avoid a
#include dependency on Support/MathExtras.h in the header file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53200 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSimplify this use of BuildMI. This is also in preparation for
Dan Gohman [Mon, 7 Jul 2008 20:09:12 +0000 (20:09 +0000)]
Simplify this use of BuildMI. This is also in preparation for
pool-allocating MachineInstrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53198 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse of operator* is redundant and confusing here.
Dan Gohman [Mon, 7 Jul 2008 20:08:05 +0000 (20:08 +0000)]
Use of operator* is redundant and confusing here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53197 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMinor const-correctness fixes.
Dan Gohman [Mon, 7 Jul 2008 20:06:06 +0000 (20:06 +0000)]
Minor const-correctness fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53196 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoShrink MachineMemOperand by storing the alignment in log form
Dan Gohman [Mon, 7 Jul 2008 20:05:04 +0000 (20:05 +0000)]
Shrink MachineMemOperand by storing the alignment in log form
and rearranging the fields.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53195 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAssert that all MachineInstrs update PhysRegUseDefLists in
Dan Gohman [Mon, 7 Jul 2008 19:55:35 +0000 (19:55 +0000)]
Assert that all MachineInstrs update PhysRegUseDefLists in
their cleanup code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53194 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix two serious LSR bugs.
Evan Cheng [Mon, 7 Jul 2008 19:51:32 +0000 (19:51 +0000)]
Fix two serious LSR bugs.
1. LSR runOnLoop is always returning false regardless if any transformation is made.
2. AddUsersIfInteresting can create new instructions that are added to DeadInsts. But there is a later early exit which prevents them from being freed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53193 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agofixed 32-bit fp_to_sint pattern
Bruno Cardoso Lopes [Mon, 7 Jul 2008 19:11:24 +0000 (19:11 +0000)]
fixed 32-bit fp_to_sint pattern

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53192 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake ilist noncopyable too.
Dan Gohman [Mon, 7 Jul 2008 18:43:32 +0000 (18:43 +0000)]
Make ilist noncopyable too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53190 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDon't use std::advance just to increment or decrement by one.
Dan Gohman [Mon, 7 Jul 2008 18:39:33 +0000 (18:39 +0000)]
Don't use std::advance just to increment or decrement by one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53189 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake BumpPtrAllocator noncopyable.
Dan Gohman [Mon, 7 Jul 2008 18:38:14 +0000 (18:38 +0000)]
Make BumpPtrAllocator noncopyable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53188 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd a space between * and /* to help simple-minded lexers.
Dan Gohman [Mon, 7 Jul 2008 18:34:27 +0000 (18:34 +0000)]
Add a space between * and /* to help simple-minded lexers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53187 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove most of the uses of SDOperandPtr, usually replacing it with a
Dan Gohman [Mon, 7 Jul 2008 18:26:29 +0000 (18:26 +0000)]
Remove most of the uses of SDOperandPtr, usually replacing it with a
simple const SDOperand*, which is what's usually needed.

For AddNodeIDOperands, which is small, just duplicate the function to
accept an SDUse*.

For SelectionDAG::getNode - Add an overload that accepts SDUse* that
copies the operands into a temporary SDOperand array, but also has
special-case checks for 0 through 3 operands to avoid the copy in
the common cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53183 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove uses of "llvm/Support/Debug.h" from LLVM include files, which
Dan Gohman [Mon, 7 Jul 2008 18:14:29 +0000 (18:14 +0000)]
Remove uses of "llvm/Support/Debug.h" from LLVM include files, which
all happened be unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53182 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove unnecessary static_casts.
Dan Gohman [Mon, 7 Jul 2008 18:08:20 +0000 (18:08 +0000)]
Remove unnecessary static_casts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53181 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove an unnecessary reinterpret_cast.
Dan Gohman [Mon, 7 Jul 2008 18:07:36 +0000 (18:07 +0000)]
Remove an unnecessary reinterpret_cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53180 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd explicit keywords.
Dan Gohman [Mon, 7 Jul 2008 18:00:37 +0000 (18:00 +0000)]
Add explicit keywords.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53179 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse empty() instead of size().
Dan Gohman [Mon, 7 Jul 2008 17:52:43 +0000 (17:52 +0000)]
Use empty() instead of size().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53178 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoMake DenseMap's insert return a pair, to more closely resemble std::map.
Dan Gohman [Mon, 7 Jul 2008 17:46:23 +0000 (17:46 +0000)]
Make DenseMap's insert return a pair, to more closely resemble std::map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53177 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemoved ImmutableMap::SlimFind and replaced it with ImmutableMap::lookup. The new...
Ted Kremenek [Mon, 7 Jul 2008 16:20:55 +0000 (16:20 +0000)]
Removed ImmutableMap::SlimFind and replaced it with ImmutableMap::lookup.  The new method does the same thing, except that it returns a pointer to the mapped data type, and not to an internal tree node.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53171 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoLegalizeSetCCOperands should legalize the result of ExpandLibCall. Patch by Richard...
Evan Cheng [Mon, 7 Jul 2008 07:18:09 +0000 (07:18 +0000)]
LegalizeSetCCOperands should legalize the result of ExpandLibCall. Patch by Richard Osborne.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53169 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoHandle 'lshr' instruction with SCEVUDiv object.
Nick Lewycky [Mon, 7 Jul 2008 06:15:49 +0000 (06:15 +0000)]
Handle 'lshr' instruction with SCEVUDiv object.
Comment the xor %x, -1 case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53167 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoPrevent option name conflict.
Bill Wendling [Mon, 7 Jul 2008 05:42:27 +0000 (05:42 +0000)]
Prevent option name conflict.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53166 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoLegalizeTypes soft-float support for stores of a
Duncan Sands [Mon, 7 Jul 2008 00:08:12 +0000 (00:08 +0000)]
LegalizeTypes soft-float support for stores of a
float value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53165 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd convenient helper for checking whether global is weak in linker sense
Anton Korobeynikov [Sat, 5 Jul 2008 23:48:30 +0000 (23:48 +0000)]
Add convenient helper for checking whether global is weak in linker sense
having weak or linkonce or common or extweak LLVM linkage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53158 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTestcase for PR2463
Anton Korobeynikov [Sat, 5 Jul 2008 23:33:40 +0000 (23:33 +0000)]
Testcase for PR2463

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53157 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoOverride weak stuff during linking of aliases. This fixes PR2463.
Anton Korobeynikov [Sat, 5 Jul 2008 23:33:22 +0000 (23:33 +0000)]
Override weak stuff during linking of aliases. This fixes PR2463.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53156 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoTestcase for PR2146
Anton Korobeynikov [Sat, 5 Jul 2008 23:03:46 +0000 (23:03 +0000)]
Testcase for PR2146

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53155 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoProperly link alias and function decls. This fixes PR2146
Anton Korobeynikov [Sat, 5 Jul 2008 23:03:21 +0000 (23:03 +0000)]
Properly link alias and function decls. This fixes PR2146

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53154 91177308-0d34-0410-b5e6-96231b3b80d8

16 years ago80col
Nick Lewycky [Sat, 5 Jul 2008 22:41:37 +0000 (22:41 +0000)]
80col

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53153 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFix missed optimization opportunity when analyzing cast of mul and select.
Nick Lewycky [Sat, 5 Jul 2008 21:19:34 +0000 (21:19 +0000)]
Fix missed optimization opportunity when analyzing cast of mul and select.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53151 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoFixed generating incorrect aligned stores that I backout of r53031
Mon P Wang [Sat, 5 Jul 2008 20:40:31 +0000 (20:40 +0000)]
Fixed generating incorrect aligned stores that I backout of r53031
that fixed problems in EmitStackConvert where the source and target type
have different alignment by creating a stack slot with the max
alignment of source and target type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53150 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoSeveral changes to Mips backend, experimental fp support being the most
Bruno Cardoso Lopes [Sat, 5 Jul 2008 19:05:21 +0000 (19:05 +0000)]
Several changes to Mips backend, experimental fp support being the most
important.
- Cleanup in the Subtarget info with addition of new features, not all support
  yet, but they allow the future inclusion of features easier. Among new features,
  we have : Arch family info (mips1, mips2, ...), ABI info (o32, eabi), 64-bit
  integer
  and float registers, allegrex vector FPU (VFPU), single float only support.
- TargetMachine now detects allegrex core.
- Added allegrex (Mips32r2) sext_inreg instructions.
- *Added Float Point Instructions*, handling single float only, and
  aliased accesses for 32-bit FPUs.
- Some cleanup in FP instruction formats and FP register classes.
- Calling conventions improved to support mips 32-bit EABI.
- Added Asm Printer support for fp cond codes.
- Added support for sret copy to a return register.
- EABI support added into LowerCALL and FORMAL_ARGS.
- MipsFunctionInfo now keeps a virtual register per function to track the
  sret on function entry until function ret.
- MipsInstrInfo FP support into methods (isMoveInstr, isLoadFromStackSlot, ...),
  FP cond codes mapping and initial FP Branch Analysis.
- Two new Mips SDNode to handle fp branch and compare instructions : FPBrcond,
  FPCmp
- MipsTargetLowering : handling different FP classes, Allegrex support, sret
  return copy, no homing location within EABI, non 32-bit stack objects
  arguments, and asm constraint for float.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53146 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRather than having a different custom legalization
Duncan Sands [Fri, 4 Jul 2008 11:47:58 +0000 (11:47 +0000)]
Rather than having a different custom legalization
hook for each way in which a result type can be
legalized (promotion, expansion, softening etc),
just use one: ReplaceNodeResults, which returns
a node with exactly the same result types as the
node passed to it, but presumably with a bunch of
custom code behind the scenes.  No change if the
new LegalizeTypes infrastructure is not turned on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53137 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoLinux also does not require exception handling
Duncan Sands [Fri, 4 Jul 2008 09:55:48 +0000 (09:55 +0000)]
Linux also does not require exception handling
moves in order to get correct debug info.  Since
I can't imagine how any target could possibly
be any different, I've just stripped out the
option: now all the world's like Darwin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53134 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDon't return std::vector by value, but pass it in by reference to be filled.
Bill Wendling [Thu, 3 Jul 2008 23:13:02 +0000 (23:13 +0000)]
Don't return std::vector by value, but pass it in by reference to be filled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53123 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRevert my previous check-in that split up MachineModuleInfo. It turns out to
Bill Wendling [Thu, 3 Jul 2008 22:53:42 +0000 (22:53 +0000)]
Revert my previous check-in that split up MachineModuleInfo. It turns out to
slow the compiler down at -O0 some 30% or more. Ooops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53120 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoProvide a hook to set the code generation debug options to investigate lto failures.
Devang Patel [Thu, 3 Jul 2008 22:53:14 +0000 (22:53 +0000)]
Provide a  hook to set the code generation debug options to investigate lto failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53119 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoBacked out 53031.
Evan Cheng [Thu, 3 Jul 2008 18:20:14 +0000 (18:20 +0000)]
Backed out 53031.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53110 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoBack out 53091 for now.
Evan Cheng [Thu, 3 Jul 2008 18:11:29 +0000 (18:11 +0000)]
Back out 53091 for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53109 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoUse information already present in the ValueTable to fast-fail when we know there...
Owen Anderson [Thu, 3 Jul 2008 17:44:33 +0000 (17:44 +0000)]
Use information already present in the ValueTable to fast-fail when we know there won't be a value number match.  This speeds up GVN on a case where there are very few redundancies by ~25%.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53108 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoDo not try to update dominator info while manipulating CFG. This code does not handl...
Devang Patel [Thu, 3 Jul 2008 17:37:52 +0000 (17:37 +0000)]
Do not try to update dominator info while manipulating CFG.  This code does not handle all cases and keeps invalid dom info around some cases, which misleads other passes down stream.

Right now, dom info is recaluclated in the end if the loop is switched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53106 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove the ability for ADCE to remove unreachable blocks in loop nests, because,...
Owen Anderson [Thu, 3 Jul 2008 17:21:41 +0000 (17:21 +0000)]
Remove the ability for ADCE to remove unreachable blocks in loop nests, because, as Eli pointed out, SimplifyCFG already does this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53104 91177308-0d34-0410-b5e6-96231b3b80d8

16 years ago- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill...
Evan Cheng [Thu, 3 Jul 2008 09:09:37 +0000 (09:09 +0000)]
- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc.
- Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53097 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoisel load folding is disabled at -fast. Now hoist the check up to the top level to...
Evan Cheng [Thu, 3 Jul 2008 08:39:51 +0000 (08:39 +0000)]
isel load folding is disabled at -fast. Now hoist the check up to the top level to save some time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53096 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoAdd newline at the end of Constants.cpp.
Matthijs Kooijman [Thu, 3 Jul 2008 07:46:41 +0000 (07:46 +0000)]
Add newline at the end of Constants.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53092 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agollvm-gcc sometimes marks external declarations hidden, because intializers are
Anton Korobeynikov [Thu, 3 Jul 2008 07:43:14 +0000 (07:43 +0000)]
llvm-gcc sometimes marks external declarations hidden, because intializers are
processed separately. Honour such situation and emit PIC relocations properly
in such case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53091 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove unused function.
Bill Wendling [Thu, 3 Jul 2008 07:10:03 +0000 (07:10 +0000)]
Remove unused function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53090 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoPreserve dom info.
Devang Patel [Thu, 3 Jul 2008 07:04:22 +0000 (07:04 +0000)]
Preserve dom info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53089 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoKeep track of inherited analysis (e.g. dominator tree).
Devang Patel [Thu, 3 Jul 2008 07:02:30 +0000 (07:02 +0000)]
Keep track of inherited analysis (e.g. dominator tree).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53088 91177308-0d34-0410-b5e6-96231b3b80d8

16 years agoRemove extra FIXME
Devang Patel [Thu, 3 Jul 2008 06:50:04 +0000 (06:50 +0000)]
Remove extra FIXME

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53087 91177308-0d34-0410-b5e6-96231b3b80d8