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34524 Commits

Author SHA1 Message Date
Bill Wendling
3154bbba16 Revert r91949 r91942 and r91936. 
llvm-svn: 91953
 2009-12-23 00:28:23 +00:00
Bill Wendling
d38b774149 Finish up node ordering in ExpandNode. 
llvm-svn: 91949
 2009-12-23 00:05:09 +00:00
Jakob Stoklund Olesen
c971898a40 Add coalescer asserts. 
llvm-svn: 91945
 2009-12-22 23:54:54 +00:00
Jakob Stoklund Olesen
9d1c8ecf05 Add a SPR register class to the ARM target. 
Certain Thumb instructions require only SP (e.g. tSTRspi).

llvm-svn: 91944
 2009-12-22 23:54:44 +00:00
Jeffrey Yasskin
0c46d96fd0 Partially revert r91626. Materializing extra functions to determine whether 
they're available_externally broke VMKit, which was relying on the fact that
functions would only be materialized when they were first called.  We'll have
to wait for http://llvm.org/PR5737 to really fix this.

I also added a test for one of the F->isDeclaration() calls which wasn't
covered by anything else in the test suite.

llvm-svn: 91943
 2009-12-22 23:47:23 +00:00
Bill Wendling
68e8f657a2 Assign ordering to nodes created in ExpandNode. Only roughly 1/2 of the function 
is finished.

llvm-svn: 91942
 2009-12-22 23:44:56 +00:00
Jeffrey Yasskin
412172866e Fix a crash in JIT::recompileAndRelinkFunction(). It doesn't pass the MCI 
argument to runJITOnFunction(), which caused a null pointer dereference at
every call.

Patch by Gianluca Guida!

llvm-svn: 91939
 2009-12-22 23:18:18 +00:00
Bill Wendling
12c3fc9d60 Assign ordering to SDNodes in PromoteNode. Also fixing a subtle bug where BSWAP 
was using "Tmp1" in the first getNode call instead of Node->getOperand(0).

llvm-svn: 91936
 2009-12-22 22:53:39 +00:00
Sean Callanan
3ccfaafab6 Removed the "inline" keyword from the disassembler decoder, 
because the Visual C++ build does not build .c files as C99

llvm-svn: 91935
 2009-12-22 22:51:40 +00:00
Jakob Stoklund Olesen
47b4d6387f Remove minimal CFG sanity checks from verifier. 
These checks would often trigger on unreachable statements inserted by
bugpoint, leading it astray.

It would be nice if we could distinguish unreachable blocks from errors.

llvm-svn: 91923
 2009-12-22 21:52:27 +00:00
Jakob Stoklund Olesen
d9cec1fbf7 Allow explicit %reg0 operands beyond what the .td file describes. 
ARM uses these to indicate predicates.

llvm-svn: 91922
 2009-12-22 21:48:20 +00:00
Bill Wendling
237cb134ed Allow 0 as an order number. Don't assign an order to formal arguments. 
llvm-svn: 91920
 2009-12-22 21:35:02 +00:00
Sean Callanan
983f906451 Fixes to the X86 disassembler: 
Made LEA memory operands emit only 4 MCInst operands.
Made the scale operand equal 1 for instructions that have no
SIB byte.

llvm-svn: 91919
 2009-12-22 21:12:55 +00:00
Chris Lattner
4a7bce50b8 Fix the Convert to scalar to not insert dead loads in the store case. The 
load is needed when we have a small store into a large alloca (at which 
point we get a load/insert/store sequence), but when you do a full-sized
store, this load ends up being dead.

This dead load is bad in really large nasty testcases where the load ends
up causing mem2reg to insert large chains of dependent phi nodes which only
ADCE can delete.  Instead of doing this, just don't insert the dead load.

This fixes rdar://6864035

llvm-svn: 91917
 2009-12-22 19:33:28 +00:00
Chris Lattner
0fbb62fcc5 fix some fixme's by using twines 
llvm-svn: 91916
 2009-12-22 19:23:33 +00:00
Jakob Stoklund Olesen
affe25dbaf Use proper move instructions. Make the verifier happy. 
llvm-svn: 91914
 2009-12-22 18:49:55 +00:00
Bob Wilson
c19003bca7 Report an error for bad inline assembly, where the value passed for an 
"indirect" operand is not a pointer.

llvm-svn: 91913
 2009-12-22 18:34:19 +00:00
Evan Cheng
7cd6bfe549 Remove target attribute break-sse-dep. Instead, do not fold load into sse partial update instructions unless optimizing for size. 
llvm-svn: 91910
 2009-12-22 17:47:23 +00:00
Douglas Gregor
0590ad1884 Include based on the current path, since we already -I the X86 target's path. Fixes CMake build 
llvm-svn: 91908
 2009-12-22 17:25:11 +00:00
Sanjiv Gupta
9581b4dc62 While converting one of the operands to a memory operand, we need to check if it is Legal and does not result into a cyclic dep. 
llvm-svn: 91904
 2009-12-22 14:25:37 +00:00
Bob Wilson
0dc93264b1 Generalize SROA to allow the first index of a GEP to be non-zero. Add a 
missing check that an array reference doesn't go past the end of the array,
and remove some redundant checks for in-bound array and vector references
that are no longer needed.

llvm-svn: 91897
 2009-12-22 06:57:14 +00:00
Chris Lattner
4e30207029 Implement PR5795 by merging duplicated return blocks. This could go further 
by merging all returns in a function into a single one, but simplifycfg 
currently likes to duplicate the return (an unfortunate choice!)

llvm-svn: 91890
 2009-12-22 06:07:30 +00:00
Chris Lattner
cd79ebb23c The phi translated pointer can be computed when returning a partially cached result 
instead of stored.  This reduces memdep memory usage, and also eliminates a bunch of
weakvh's.  This speeds up gvn on gcc.c-torture/20001226-1.c from 23.9s to 8.45s (2.8x)
on a different machine than earlier.

llvm-svn: 91885
 2009-12-22 04:25:02 +00:00
Bill Wendling
fc4c238bd5 Add more plumbing. This time in the LowerArguments and "get" functions which 
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.

llvm-svn: 91880
 2009-12-22 02:10:19 +00:00
Sean Callanan
09b2d80d2c Changed REG_* to MODRM_REG_* to avoid conflicts 
with symbols in AuroraUX's global namespace.

llvm-svn: 91879
 2009-12-22 02:07:42 +00:00
Daniel Dunbar
abb0af5166 Fix some may-be-uninitialized var warnings. 
llvm-svn: 91878
 2009-12-22 01:41:37 +00:00
Bill Wendling
5aff4bce9d Add SDNode ordering to inlined asm and VA functions. 
llvm-svn: 91876
 2009-12-22 01:25:10 +00:00
Eric Christopher
c1b128aa04 Whitespace fixes. 
llvm-svn: 91875
 2009-12-22 01:23:51 +00:00
Bill Wendling
b0bd44f096 Adding more assignment of ordering to SDNodes. This time in the "call" and 
generic copy functions.

llvm-svn: 91872
 2009-12-22 01:11:43 +00:00
Sean Callanan
feddcdf843 Fixed library dependencies between the X86 disassembler and 
X86 codegen that were causing circular symbol dependencies.

llvm-svn: 91871
 2009-12-22 01:11:26 +00:00
Chris Lattner
15c2988820 avoid calling extractMallocCall when it's obvious we don't have 
a call.  This speeds up memdep ~1.5%

llvm-svn: 91869
 2009-12-22 01:00:32 +00:00
Bill Wendling
e01ea21d47 Add ordering of SDNodes to LowerCallTo. 
llvm-svn: 91866
 2009-12-22 00:50:32 +00:00
Chris Lattner
0651fc828b print pcrel immediates as signed values instead of unsigned so that we 
get things like this out of the disassembler:

0x100000ecb: callq	-96

instead of:

0x100000ecb: callq	4294967200

rdar://7491123

llvm-svn: 91864
 2009-12-22 00:44:05 +00:00
Bill Wendling
761507cdcc Now add ordering to SDNodes created by the massive intrinsic lowering function. 
llvm-svn: 91863
 2009-12-22 00:40:51 +00:00
Bill Wendling
d5649e184e To make things interesting, I added MORE code to set the ordering of 
SDNodes. This time in the load/store and limited-precision code.

llvm-svn: 91860
 2009-12-22 00:12:37 +00:00
Lang Hames
64d9eb0c06 Changed slot index ranges for MachineBasicBlocks to be exclusive of endpoint. 
This fixes an in-place update bug where code inserted at the end of basic blocks may not be covered by existing intervals which were live across the entire block. It is also consistent with the way ranges are specified for live intervals.

llvm-svn: 91859
 2009-12-22 00:11:50 +00:00
Bill Wendling
88d8eb621b Add more plumbing to assign ordering to SDNodes. Have the "getValue" method 
assign the ordering when called. Combine some of the ordering assignments to
keep things simple.

llvm-svn: 91857
 2009-12-21 23:47:40 +00:00
Daniel Dunbar
8efbce934e Add suggested parentheses. 
llvm-svn: 91853
 2009-12-21 23:27:57 +00:00
Chris Lattner
8bd3f74d82 Add a fastpath to Load GVN to special case when we have exactly one dominating 
load to avoid even messing around with SSAUpdate at all.  In this case (which
is very common, we can just use the input value directly).

This speeds up GVN time on gcc.c-torture/20001226-1.c from 36.4s to 16.3s,
which still isn't great, but substantially better and this is a simple speedup
that applies to lots of different cases.

llvm-svn: 91851
 2009-12-21 23:15:48 +00:00
Bill Wendling
576a9ae88d More ordering plumbing. This time for GEP. I need to remember to assign 
orderings to values returned by getValue().

llvm-svn: 91850
 2009-12-21 23:10:19 +00:00
Chris Lattner
41cad2092d refactor some code out to a new helper method. 
llvm-svn: 91849
 2009-12-21 23:04:33 +00:00
Chris Lattner
1cbad45619 improve indentation avoid a pointless conversion from weakvh to trackingvh, 
no functionality change.

llvm-svn: 91848
 2009-12-21 22:43:03 +00:00
Bill Wendling
85f5cca691 Another incremental check-in for assigning ordering to SDNodes. This time for 
shuffle and insert vector.

llvm-svn: 91847
 2009-12-21 22:42:14 +00:00
Bill Wendling
9a0bd2daca Assign ordering to more instructions. Incremental check-in. 
llvm-svn: 91846
 2009-12-21 22:30:11 +00:00
Bill Wendling
97d31ee226 - Add a bit more plumbing assigning an order to SDNodes. 
- Modify the "dump" method to emit the order of an SDNode.

llvm-svn: 91845
 2009-12-21 21:59:52 +00:00
Anton Korobeynikov
89d281c7c3 Mark FPW as allocable when frame address is taken. 
llvm-svn: 91841
 2009-12-21 20:18:49 +00:00
Bill Wendling
2d7ea292a6 First wave of plumbing for assigning an ordering to SDNodes. This takes care of 
a lot of the branching instructions.

llvm-svn: 91838
 2009-12-21 19:59:38 +00:00
Evan Cheng
c46a0ba3fc Delete the instruction just before the function terminates for consistency sake. 
llvm-svn: 91836
 2009-12-21 19:53:39 +00:00
Bill Wendling
ecb9172c96 Place SDNodeOrdering.h in the directory it's used. 
llvm-svn: 91834
 2009-12-21 19:34:59 +00:00
Bob Wilson
eb77079db5 Remove special-case SROA optimization of variable indexes to one-element and 
two-element arrays.  After restructuring the SROA code, it was not safe to
do this without adding more checking.  It is not clear that this special-case
has really been useful, and removing this simplifies the code quite a bit.

llvm-svn: 91828
 2009-12-21 18:39:47 +00:00