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Author SHA1 Message Date
Dan Gohman
3a401bcd04 Re-enable kill flags from SelectionDAGISel, with a fix: don't 
try to put a kill flag on a DBG_INFO instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:50:53 +00:00
Dale Johannesen
e576f51e66 Fix a bug where debug info affected stack slot coloring. 
Seen in SingleSrc/Benchmarks/Misc/flops with TEST=optllcdbg.
7929951.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102819 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:41:15 +00:00
Dan Gohman
1b79a2ff54 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102817 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:33:28 +00:00
Dan Gohman
5d11ea39f7 Don't pass SDValues by non-const reference unless they may be 
modified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:33:16 +00:00
Evan Cheng
b55c8bed9d Add a pseudo instruction REG_SEQUENCE that takes a list of registers and 
sub-register indices and outputs a single super register which is formed from
a consecutive sequence of registers.

This is used as register allocation / coalescing aid and it is useful to
represent instructions that output register pairs / quads. For example,
v1024, v1025 = vload <address>
where v1024 and v1025 forms a register pair.

This really should be modelled as
v1024<3>, v1025<4> = vload <address>
but it would violate SSA property before register allocation is done.

Currently we use insert_subreg to form the super register:
v1026 = implicit_def
v1027 - insert_subreg v1026, v1024, 3
v1028 = insert_subreg v1027, v1025, 4
...
      = use v1024
      = use v1028

But this adds pseudo live interval overlap between v1024 and v1025.

We can now modeled it as
v1024, v1025 = vload <address>
v1026 = REG_SEQUENCE v1024, 3, v1025, 4
...
      = use v1024
      = use v1026

After coalescing, it will be
v1026<3>, v1025<4> = vload <address>
...
      = use v1026<3>
      = use v1026


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:28:44 +00:00
Dan Gohman
95140a4cc1 Reorgnaize more switch code lowering to clean up some tricky 
code, and to eliminate the need for the SelectionDAGBuilder
state to be live during CodeGenAndEmitDAG calls.

Call SDB->clear() before CodeGenAndEmitDAG calls instead of
before it, and move the CurDAG->clear() out of SelectionDAGBuilder,
which doesn't own the DAG, and into CodeGenAndEmitDAG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102814 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:25:44 +00:00
Bill Wendling
3f755d7ec6 Test failing too much on too many platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:12:33 +00:00
Dan Gohman
1b40319eba Delete the EdgeMapping variable itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102810 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:02:20 +00:00
Dan Gohman
af1d8ca44a Get rid of the EdgeMapping map. Instead, just check for BasicBlock 
changes before doing phi lowering for switches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-01 00:01:06 +00:00
Daniel Dunbar
0456b06191 Update for CIndex rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102803 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 23:36:47 +00:00
Bill Wendling
1c2d7f1196 Maybe it needs sse2? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 23:19:29 +00:00
Bill Wendling
6c84fdeb9c Force 64-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102800 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 22:45:20 +00:00
Dan Gohman
acbfc157d2 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102799 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 22:38:11 +00:00
Chris Lattner
4b7b42c831 Dan recently disabled recursive inlining within a function, but we 
were still inlining self-recursive functions into other functions.

Inlining a recursive function into itself has the potential to
reduce recursion depth by a factor of 2, inlining a recursive
function into something else reduces recursion depth by exactly 
1.  Since inlining a recursive function into something else is a
weird form of loop peeling, turn this off.

The deleted testcase was added by Dale in r62107, since then
we're leaning towards not inlining recursive stuff ever.  In any
case, if we like inlining recursive stuff, it should be done 
within the recursive function itself to get the algorithm 
recursion depth win.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 22:37:22 +00:00
Bill Wendling
d71bb56275 EXTRACT_VECTOR_ELT of an INSERT_VECTOR_ELT may have the same index, but the 
indexes could be of a different value type. Or not even using the same SDNode
for the constant (weird, I know). Compare the actual values instead of the
pointers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 22:19:17 +00:00
Daniel Dunbar
ee40a166c3 Don't use 'else ifdef', I guess this is a 3.81 feature? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 22:00:17 +00:00
Dan Gohman
e7fd7c6886 Remove this debug output. The MachineFunction will be printed once all of 
instruction selection is done; it's confusing to see parts of it printed,
while other parts are omitted, along the way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102771 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 21:21:21 +00:00
Jakob Stoklund Olesen
8387d7db19 The local register allocator has to spill dirty callee saved registers before a 
call that might throw. The landing pad assumes that all registers are in stack
slots.

We used to spill those dirty CSRs after the call, and the stack slots would be
wrong when arriving at the landing pad.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102770 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 21:19:29 +00:00
Dan Gohman
3f5e915652 Update BitVectorTest.cpp to stay in sync with SmallBitVectorTest.cpp, 
and fix a bug in BitVector's reference proxy class which this exposed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:50:28 +00:00
Daniel Dunbar
8fcd418d6e Fix TOOLALIAS to not make dependency against $(PROJ_bindir), this is unnecessary 
(and wrong).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102763 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:47:09 +00:00
Devang Patel
0aa885d3ab Preserve debug info attached with call instruction while eliminating dead argument. 
Radar 7927803


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:23:54 +00:00
Dan Gohman
3335a22a37 Make this code less confusing. Instead of reassigning BB, just operate 
on the original variables, so it's easier to see what is being done
to which blocks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102759 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:14:26 +00:00
Daniel Dunbar
24d9d974ac Add new NO_INSTALL_ARCHIVES make variable, to suppress install of .a files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:04:53 +00:00
Daniel Dunbar
db3f95770e Add an install-clang-c top-level target, which does a Clang C API install. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 20:04:45 +00:00
Devang Patel
95dbda70c4 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:39:29 +00:00
Devang Patel
ccff812777 Attach AT_APPLE_optimized attribute to optimized function's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:38:23 +00:00
Dan Gohman
891ff8fbd6 EmitDbgValue doesn't need its EdgeMapping argument. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:35:33 +00:00
David Chisnall
27195a5831 Fixed @ctor / @dtor the wrong way around in last commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:27:35 +00:00
David Chisnall
e31e9966ec Added a brief explanation of @llvm.global_{c,d}tors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:23:49 +00:00
Dan Gohman
8833c32108 Set isSigned to true when creating an all-ones integer constant, even 
for unsigned purposes, so >64-bit integer values get a full all-ones
value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102739 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:22:39 +00:00
Dan Gohman
b6fd0b481c Silence compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102734 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:21:13 +00:00
Dan Gohman
5b61b3818a Add lint checks for invalid uses of memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 19:05:00 +00:00
Dan Gohman
5cc6f9ba47 Add some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 18:33:41 +00:00
Dan Gohman
71edb241a1 Remove the -disable-16bit command-line option, which is now obsolete. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102730 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 18:30:26 +00:00
Jakob Stoklund Olesen
132dace4aa Don't use floating point in SimpleRegisterCoalescing. 
Rounding differences causes tests to fail on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102729 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 18:28:11 +00:00
Dan Gohman
5b296e307f Properly escape edge source and destination labels. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 18:27:57 +00:00
Dan Gohman
01baea3c2c Add -o /dev/null to some tests which don't care about their output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102722 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 17:42:30 +00:00
Dan Gohman
3ce89f47de Apply a patch from Jan Sjodin to fix a compiler abort on vector 
comparisons sign-extended to a different bitwidth than the
comparison operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 17:19:19 +00:00
Daniel Dunbar
f913878474 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 17:12:26 +00:00
Daniel Dunbar
753b43c065 Default OPTIMIZE_OPTION to -O2 on FreeBSD, at the request of the Clang/FreeBSD 
folks. LLVM/Clang is miscompiled by the standard GCC at -O3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102719 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 17:12:23 +00:00
Benjamin Kramer
6340722d17 SmallBitVector: Rework find_first/find_next and tweak test to test them (at least on 64 bit platforms). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102712 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 13:40:27 +00:00
Benjamin Kramer
b252fbd179 Implement a read/write operator[] for SmallBitVector with a proxy class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 12:29:39 +00:00
Benjamin Kramer
1e44aa0412 Make sure SmallBitVector actually uses the small case and fix latent bugs. 
- We can't use PointerIntPair here since we require the discrimination bit to be in the LSB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102707 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 11:34:01 +00:00
Evan Cheng
f2d36d91e2 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102694 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 06:00:56 +00:00
Evan Cheng
1361796dd0 Another sibcall bug. If caller and callee calling conventions differ, then it's only safe to do a tail call if the results are returned in the same way. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102683 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 01:12:32 +00:00
Dan Gohman
71cee76d26 Temporarily disable SelectionDAG kill flags, which are causing trouble. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102680 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 00:32:51 +00:00
Jeffrey Yasskin
8c818fc35c Fix the OProfileJITEventListener build after r101844 removed 
MachineFunction::DefaultDebugLoc.  We now use the same technique as
DwarfDebug::beginFunction to find the starting line number for a
function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102679 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 00:16:10 +00:00
Dan Gohman
47bd03b277 Set register kill flags on the SelectionDAG path, at least in the 
easy cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102678 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-30 00:08:21 +00:00
Jakob Stoklund Olesen
f07fc974d3 Reject really weird coalescer case when trying to merge identical subregisters 
of different register classes. e.g.

  %reg1048:3<def> = EXTRACT_SUBREG %RAX<kill>, 3

Where %reg1048 is a GR32 register. This is not impossible to handle, but it is
pretty hard and very rare.

This should unbreak the dragonegg builder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102672 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-29 23:47:46 +00:00
Nick Lewycky
8d0e1bcc92 The llc -f flag was removed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102670 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-29 23:37:44 +00:00