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37310 Commits

Author SHA1 Message Date
Bill Wendling
bec66951a6 Re-add back in the slow way of determining of a clean-up should become a 
catch-all. The "dominates" way won't catch all of the selectors which must be
changed.

llvm-svn: 99850
 2010-03-29 23:37:07 +00:00
Jakob Stoklund Olesen
d0d432022a Basic implementation of SSEDomainFix pass. 
Cross-block inference is primitive and wrong, but the pass is working otherwise.

llvm-svn: 99848
 2010-03-29 23:24:21 +00:00
Bill Wendling
faacede11f A more general (and simpler!) implementation of r99671. It performs a similar 
transform. I.e., if a clean-up eh.selector call dominates the invoke of an
_Unwind_Resume_or_Rethrow, then we convert the eh.selector into a
catch-all. This patch, however, uses the DominatorTree information, and doesn't
go through the whole rigmarole of starting at the eh.exception call, finding the
corresponding URoR and eh.selector calls, and trying to trace through any number
of instruction types to get to them.

llvm-svn: 99846
 2010-03-29 23:02:46 +00:00
Devang Patel
953a86e2bb Encode start location of debug value, communicated through DBG_VALUE machine instruction, in a variable's DIE. 
llvm-svn: 99845
 2010-03-29 22:59:58 +00:00
Chris Lattner
92303f03c1 move a function into a more logical place in the file 
llvm-svn: 99842
 2010-03-29 21:34:06 +00:00
Chris Lattner
7e3957a646 remove support for per-time peak memory tracking, this 
isn't used by anyone and is better exposed as a non-per-timer 
thing.  Also, stop including System/Mutex.h in Timer.h

llvm-svn: 99841
 2010-03-29 21:28:41 +00:00
Evan Cheng
b1ddb193c7 Fix PR4975. Avoid referencing empty vector. 
llvm-svn: 99840
 2010-03-29 21:27:30 +00:00
Chris Lattner
0c8d8cd921 various timer fixes: move operator= out of line, 
eliminate the per-timer lock (timers should be 
externally locked if needed), the info-output-stream
can never be dbgs(), so drop the check.  Make some
stuff private.

llvm-svn: 99839
 2010-03-29 21:24:52 +00:00
Benjamin Kramer
9bbdbd2dba Make isInt?? and isUint?? template specializations of the generic versions. This 
makes calls a little bit more consistent and allows easy removal of the
specializations in the future. Convert all callers to the templated functions.

llvm-svn: 99838
 2010-03-29 21:13:41 +00:00
Evan Cheng
aafcb722f9 Pool allocate SDDbgValue nodes. 
llvm-svn: 99836
 2010-03-29 20:48:30 +00:00
Eric Christopher
3aeb9e81c7 We'll never match these as instructions, just as intrinsics so remove 
the SDNodes.

llvm-svn: 99835
 2010-03-29 20:41:51 +00:00
Chris Lattner
8cb292db38 s/.../. 
llvm-svn: 99834
 2010-03-29 20:40:19 +00:00
Chris Lattner
369d564845 use RAII for ExceptionTimer too 
llvm-svn: 99833
 2010-03-29 20:39:38 +00:00
Chris Lattner
b01fcba466 fix a variety of issues were we'd start DebugTimer but 
not stop it by using RAII.

llvm-svn: 99832
 2010-03-29 20:38:20 +00:00
Chris Lattner
54f827b072 move code around and improve indentation, no functionality change. 
llvm-svn: 99831
 2010-03-29 20:35:01 +00:00
Benjamin Kramer
6a45984683 Remove a bunch of integer width predicate functions in favor of MathExtras. 
Most of these were unused, some of them were wrong and unused (isS16Constant<short>,
isS10Constant<short>).

llvm-svn: 99827
 2010-03-29 19:07:58 +00:00
Chris Lattner
c0d5bcc160 From Kalle Raiskila: 
"the bigstack patch for SPU, with testcase. It is essentially the patch committed as 97091, and reverted as 97099, but with the following additions:
-in vararg handling, registers are marked to be live, to not confuse the register scavenger
-function prologue and epilogue are not emitted, if the stack size is 16. 16 means it is empty - there is only the register scavenger emergency spill slot, which is not used as there is no stack."

llvm-svn: 99819
 2010-03-29 17:38:47 +00:00
Chris Lattner
f21a1afe81 add support for zero initialized unions, patch by Tim Northover! 
llvm-svn: 99818
 2010-03-29 17:36:02 +00:00
Devang Patel
cfd24dc84c Refactor code to push DILocation prcessing into DwarfDebug.cpp from AsmPrinter.cpp. 
This is same as r99772 (which was reverted) with just one meaningful difference where two source lines exchanged their positions.

llvm-svn: 99816
 2010-03-29 17:20:31 +00:00
Chris Lattner
6a8b488d78 add a note. 
llvm-svn: 99815
 2010-03-29 17:02:02 +00:00
Johnny Chen
03c2e8a36c Add NVTBLFrm to represent A8.6.406 VTBL, VTBX Vector Table Lookup Instructions. 
These instructions use byte index in a control vector (M:Vm) to lookup byte
values in a table and generate a new vector (D:Vd).  The table is specified via
a list of vectors, which can be:

{Dn}
{Dn D<n+1>}
{Dn D<n+1> D<n+2>}
{Dn D<n+1> D<n+2> D<n+3>}

llvm-svn: 99789
 2010-03-29 01:14:22 +00:00
Devang Patel
66e9b05428 Revert 99772. 
llvm-svn: 99778
 2010-03-28 21:23:37 +00:00
Chris Lattner
24b8a8bebd add a statistic for the # times isel has to backtrack. 
llvm-svn: 99774
 2010-03-28 19:46:56 +00:00
Devang Patel
bb5063a8cd Refactoring. Push DILocation processing in to DwarfDebug from AsmPrinter. 
llvm-svn: 99772
 2010-03-28 18:57:09 +00:00
Chris Lattner
87f1ea5d27 zap an extra line that Eli noticed! 
llvm-svn: 99770
 2010-03-28 18:52:28 +00:00
Anton Korobeynikov
3df01d9637 Properly quote the quotes :) during cmdline construction on Windows. 
Otherwise, e.g. in the invocation like clang -DFOO=\"bar\" FOO macro
got the bar value, not "bar".

Patch by Alexander Esilevich!

llvm-svn: 99763
 2010-03-28 15:07:02 +00:00
Chris Lattner
4de7f7e862 fix a type contradition: XCoreISD::RETSP has one argument, not zero. 
llvm-svn: 99760
 2010-03-28 08:47:39 +00:00
Chris Lattner
5ad69fe4b6 finally remove the immAllOnesV_bc/immAllZerosV_bc patterns 
and those derived from them.  These are obnoxious because
they were written as: PatLeaf<(bitconvert).  Not having an
argument was foiling adding better type checking for operand
count matching up with what was required (in this case,
bitconvert always requires an operand!)

llvm-svn: 99759
 2010-03-28 08:43:23 +00:00
Chris Lattner
e522e8f94e remove a pattern with no testcase that doesn't appear to be 
matchable: it seems like it would always constant fold.

llvm-svn: 99758
 2010-03-28 08:40:48 +00:00
Chris Lattner
7f2800ea6c fix integer negates to use the proper type for the zero vectors, 
this also depends on the new "bitconvert dropping" behavior just
added to tblgen.

llvm-svn: 99757
 2010-03-28 08:39:10 +00:00
Chris Lattner
0530bbf7ea fix a typo, bitconvert from node to itself isn't valid. 
llvm-svn: 99755
 2010-03-28 08:36:45 +00:00
Chris Lattner
36a0df5c96 fix vnot matching to explicitly specify the type of the 
input to be v8i8 or v16i8, which buildvectors get canonicalized to.

This allows the patterns that were previously using a bare 'vnot' to
match, before they couldn't.

llvm-svn: 99754
 2010-03-28 08:08:07 +00:00
Chris Lattner
167d09c397 fix up vnot matching, eliminating a dead pattern, correcting a couple of 
patterns that would never match because of bitcast, and eliminating use
of vnot_conv.

llvm-svn: 99753
 2010-03-28 08:00:23 +00:00
Chris Lattner
ac16bb9827 stop using vnot_conv 
llvm-svn: 99750
 2010-03-28 07:48:17 +00:00
Chris Lattner
22c84d79fa revert r99743, this is saying that the repmovs instructinos have an 
*input* of other type, which is the VT. 

llvm-svn: 99749
 2010-03-28 07:38:39 +00:00
Chris Lattner
59eebcbbde remove a bunch of dead patterns. 
llvm-svn: 99748
 2010-03-28 07:38:00 +00:00
Chris Lattner
941ab0b2d5 claiming to return other is pointless. 
llvm-svn: 99743
 2010-03-28 05:57:36 +00:00
Chris Lattner
78dc3c322f comply with the wishes of a fixme. 
llvm-svn: 99742
 2010-03-28 05:55:17 +00:00
Chris Lattner
918dd19018 now that (parallel) is gone and a variety of bugs in targets 
are cleaned up, we can remove an old fixme.

llvm-svn: 99741
 2010-03-28 05:54:03 +00:00
Chris Lattner
3f060e3216 add an optimized form of OPC_EmitMergeInputChains for the 1, 0 and 
1, 1 cases which are by-far the most frequent.  This shrinks the X86
isel table from 77014 -> 74657 bytes.

llvm-svn: 99740
 2010-03-28 05:50:16 +00:00
Chris Lattner
bacf4edba3 don't add nodes to the now-dead nodes list multiple times, this 
can cause a crash on crazy situations in msp430 when morph-node-to
is disabled.

llvm-svn: 99739
 2010-03-28 05:28:31 +00:00
Chris Lattner
4a35b78926 Improve systemz to model cmp and ucmp nodes as returning 
their flags correctly.

llvm-svn: 99738
 2010-03-28 05:21:52 +00:00
Chris Lattner
99fafcf87e the FPCmp node returns an i32. 
llvm-svn: 99737
 2010-03-28 05:12:57 +00:00
Chris Lattner
c5499723d5 fix some modelling problems exposed by a patch I'm working on. bsr/bsf/ptest 
nodes all have an EFLAGS result when made by isel lowering.

llvm-svn: 99736
 2010-03-28 05:07:17 +00:00
Chris Lattner
bb65543f01 don't add flag nodes with chain results to the NowDeadNodes 
list multiple times when MorphNodeTo can't be applied.

llvm-svn: 99735
 2010-03-28 04:54:33 +00:00
Jeffrey Yasskin
727548a580 Oops, r98447 dropped the reference to ForwardType in the wrong place in 
Type::destroy(), so it got skipped for FunctionTypes, StructTypes, and
UnionTypes.  This fixes the resulting leaks in test/Feature/opaquetypes.ll and
test/Integer/opaquetypes_bt.ll.

llvm-svn: 99732
 2010-03-28 01:03:47 +00:00
Chris Lattner
85756c913d improve -debug-only=isel comments for cases when we don't enter a 
scope due to obviously false predicate.

llvm-svn: 99723
 2010-03-27 18:54:50 +00:00
Jeffrey Yasskin
7fb5e38134 Remove another memory leak from ABCD by using Edges by value instead of 
pointer.  There was also a SmallPtrSet whose settiness wasn't being used, so I
changed it to a SmallVector.

llvm-svn: 99713
 2010-03-27 09:09:17 +00:00
Jeffrey Yasskin
8a02134682 In ABCD, change the non-null Bound*s to Bound&s. 
llvm-svn: 99711
 2010-03-27 08:15:46 +00:00
Jeffrey Yasskin
b5e9203c58 Fix a memory leak in ABCD by giving ownership of Bound objects to the 
MemoizedResultChart.

llvm-svn: 99710
 2010-03-27 08:09:24 +00:00