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2283 Commits

Author SHA1 Message Date
Chris Lattner
28bad08411 Fix a bug that Evan exposed with some changes he's making, and that was 
exposed with a fastcc problem (breaking pcompress2 on x86 with -enable-x86-fastcc).

When reloading a reused reg, make sure to invalidate the reloaded reg, and
check to see if there are any other pending uses of the same register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26369 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-25 02:17:31 +00:00
Chris Lattner
47cb7173ea Remove debugging printout :) 
Add a minor compile time win, no codegen change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26368 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-25 02:03:40 +00:00
Chris Lattner
540fec6b38 Refactor some code from being inline to being out in a new class with methods. 
This gets rid of two gotos, which is always nice, and also adds some comments.

No functionality change, this is just a refactor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26367 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-25 01:51:33 +00:00
Chris Lattner
dd26033002 Use the PrintAsmMemoryOperand to print addressing modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26364 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 20:21:58 +00:00
Chris Lattner
daf6bc6347 Pass all the flags to the asm printer, not just the # operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26362 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 19:50:58 +00:00
Chris Lattner
fd6d282a71 rename NumOps -> NumVals to avoid shadowing a NumOps var in an outer scope. 
Add support for addressing modes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26361 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 19:18:20 +00:00
Chris Lattner
ed18b6896e Refactor operand adding out to a new AddOperand method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26358 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 18:54:03 +00:00
Jim Laskey
6990600f93 Add pointer and reference types. Added short-term code to ignore NULL types 
(to allow llvm-gcc4 to build.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26355 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 16:46:40 +00:00
Jeff Cohen
7e88103cde Get VC++ building again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26351 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 02:52:40 +00:00
Chris Lattner
0e43f2ba11 Implement (most of) selection of inline asm memory operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26350 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 02:13:54 +00:00
Chris Lattner
87bc3bd121 Lower C_Memory operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26346 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 01:11:24 +00:00
Chris Lattner
2b7401e28e Recognize memory operand codes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26345 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-24 01:10:46 +00:00
Jim Laskey
434b40b42f Added basic support for typedefs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26339 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 22:37:30 +00:00
Chris Lattner
9f6637db10 Fix an endianness problem on big-endian targets with expanded operands 
to inline asms.  Mark some methods const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26334 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 20:06:57 +00:00
Chris Lattner
c3a9f8d31c Record all of the expanded registers in the DAG and machine instr, fixing 
several bugs in inline asm expanded operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26332 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 19:21:04 +00:00
Jim Laskey
f4afdd9f41 DwarfWriter reading basic type information from llvm-gcc4 code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26331 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 16:58:18 +00:00
Chris Lattner
ffab42263a Code cleanups, no functionality change 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26328 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-23 06:44:17 +00:00
Chris Lattner
9b6fb5de49 This fixes a couple of problems with expansion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26318 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 23:09:03 +00:00
Chris Lattner
b3befd41b4 Don't return registers from register classes that aren't legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26317 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 23:00:51 +00:00
Chris Lattner
864635ad7b Change a whole bunch of code to be built around RegsForValue instead of 
a single register number.  This fully implements promotion for inline asms,
expand is close but not quite right yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26316 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 22:37:12 +00:00
Jim Laskey
0420f2aaf9 Coordinate activities with llvm-gcc4 and dwarf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26314 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 19:02:11 +00:00
Chris Lattner
1efa40f6a4 split register class handling from explicit physreg handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26308 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-22 00:56:39 +00:00
Chris Lattner
0f0b7d4927 Adjust to changes in getRegForInlineAsmConstraint prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26306 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-21 23:12:12 +00:00
Chris Lattner
4217ca8dc1 Updates to match change of getRegForInlineAsmConstraint prototype 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26305 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-21 23:11:00 +00:00
Chris Lattner
7d20d39009 Fix a problem Nate and Duraid reported where simplifying nodes can cause 
them to get ressurected, in which case, deleting the undead nodes is
unfriendly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26291 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-20 06:51:04 +00:00
Chris Lattner
dca7abed91 Fix a problem on itanium with memset. The value to set has been promoted to 
i64 before this code, so zero_ext doesn't work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26290 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-20 06:38:35 +00:00
Nate Begeman
003a272319 Add a fold for add that exchanges it with a constant shift if possible, so 
that the shift may be more easily folded into other operations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26286 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-18 02:43:25 +00:00
Nate Begeman
b0d04a7dea Add checks to make sure we don't create bogus extend nodes, and fix a bug 
where we were doing exactly that which was causing failures on x86 and
alpha.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26284 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-18 02:40:58 +00:00
Chris Lattner
012f241987 Fix a tricky issue in the SimplifyDemandedBits code where CombineTo wasn't 
exactly the API we wanted to call into.  This fixes the crash on crafty last
night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26269 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 21:58:01 +00:00
Nate Begeman
fb7217bea3 Clean up DemandedBitsAreZero interface 
Make more use of the new mask helpers in valuetypes.h
Combine (sra (srl x, c1), c1) -> sext_inreg if legal


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26263 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 19:54:08 +00:00
Nate Begeman
cd6a6ed0a9 Don't expand sdiv by power of two before legalize, since it will likely 
generate illegal nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26261 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 07:26:20 +00:00
Nate Begeman
551bf3f800 kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26255 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 05:43:56 +00:00
Chris Lattner
25125697fb Fix another miscompilation exposed by lencode, where we lowered i64->f32 
conversions to __floatdidf instead of __floatdisf on targets that support
f32 but not i64 (e.g. sparc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26254 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 04:32:33 +00:00
Jeff Cohen
5755b17044 Fix bug noticed by VC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26252 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 02:12:18 +00:00
Evan Cheng
cffbb5174f Dumb bug. Code sees a memcpy from X+c so it increments src offset. But it 
turns out not to point to a constant string but it forgot change the offset
back.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26242 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-16 23:11:42 +00:00
Nate Begeman
368e18d56a Rework the SelectionDAG-based implementations of SimplifyDemandedBits 
and ComputeMaskedBits to match the new improved versions in instcombine.
Tested against all of multisource/benchmarks on ppc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26238 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-16 21:11:51 +00:00
Evan Cheng
298ebf2bd8 If the false case is the current basic block, then this is a self loop. 
We do not want to emit "Loop: ... brcond Out; br Loop", as it adds an extra
instruction in the loop.  Instead, invert the condition and emit
"Loop: ... br!cond Loop; br Out.

Generalize the fix by moving it from PPCDAGToDAGISel to SelectionDAGLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26231 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-16 08:27:56 +00:00
Chris Lattner
8f4880be66 Lowering of sdiv X, pow2 was broken, this fixes it. This patch is written 
by Nate, I'm just committing it for him.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26230 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-16 08:02:36 +00:00
Evan Cheng
a47876d87a Remove an unused function parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26221 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 22:12:35 +00:00
Evan Cheng
74d0aa9a4b Turn a memcpy from string constant into a series of stores of constant values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26219 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 21:59:04 +00:00
Jim Laskey
d0e58e36a9 Should not combine ISD::LOCATIONs until we have scheme to remove from 
MachineDebugInfo tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26216 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 19:34:44 +00:00
Evan Cheng
c080d6fb3d Lower memcpy with small constant size operand into a series of load / store 
ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26195 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-15 01:54:51 +00:00
Evan Cheng
dea7245997 Doh again! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26188 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 23:05:54 +00:00
Jim Laskey
ae9a84b9be Using wrong DW_FORM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26184 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 22:01:57 +00:00
Evan Cheng
c4f8eee054 Keep to < 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26177 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 20:12:38 +00:00
Evan Cheng
ac940ab1bf Missed a break so memcpy cases fell through to memset. Doh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26176 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 19:45:56 +00:00
Evan Cheng
80e89d7d6c Fixed a build breakage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26175 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 09:11:59 +00:00
Evan Cheng
a03a5dc7ce Rename maxStoresPerMemSet to maxStoresPerMemset, etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26174 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 08:38:30 +00:00
Evan Cheng
1db92f947c Expand memset dst, c, size to a series of stores if size falls below the 
target specific theshold, e.g. 16 for x86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26171 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 08:22:34 +00:00
Chris Lattner
06a248c9b3 now that libcalls don't suck, we can remove this hack 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26164 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-14 05:39:35 +00:00