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fadc276b81
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34209 Commits

Author SHA1 Message Date
Anton Korobeynikov
fadc276b81 Add MSP430 interrupt calling conv. No functionality change yet. 
llvm-svn: 90738
 2009-12-07 02:27:35 +00:00
Anton Korobeynikov
02fa40119e Add ability to select hw multiplier mode and select appropriate libcalls. 
llvm-svn: 90737
 2009-12-07 02:27:08 +00:00
Anton Korobeynikov
eee906f4f0 Dynamic stack realignment use of sp register as source/dest register 
in "bic sp, sp, #15" leads to unpredicatble behaviour in Thumb2 mode.
Emit the following code instead:
mov r4, sp
bic r4, r4, #15
mov sp, r4

llvm-svn: 90724
 2009-12-06 22:39:50 +00:00
Chris Lattner
7066a138ff fix PR5698 
llvm-svn: 90708
 2009-12-06 17:17:23 +00:00
Chris Lattner
ea3007ddb8 constant fold loads from memcpy's from global constants. This is important 
because clang lowers nontrivial automatic struct/array inits to memcpy from
a global array.

llvm-svn: 90698
 2009-12-06 05:29:56 +00:00
Chris Lattner
8885e71303 add support for forwarding mem intrinsic values to non-local loads. 
llvm-svn: 90697
 2009-12-06 04:54:31 +00:00
Chris Lattner
5eba6ee969 Handle forwarding local memsets to loads. For example, we optimize this: 
short x(short *A) {
  memset(A, 1, sizeof(*A)*100);
  return A[42];
}

to 'return 257' instead of doing the load.  

llvm-svn: 90695
 2009-12-06 01:57:02 +00:00
Dan Gohman
e6ce676cb2 Remove old DBG_LABEL code. 
llvm-svn: 90669
 2009-12-05 17:56:26 +00:00
Dan Gohman
d2797bf9ae Remove the unused DisableLegalizeTypes option and related code. 
llvm-svn: 90668
 2009-12-05 17:51:33 +00:00
Bill Wendling
60e15336be Calling InvalidateEntry during the refinement was breaking the bootstrap. 
llvm-svn: 90656
 2009-12-05 07:59:04 +00:00
Bill Wendling
a24fa4e67b Final cleanups: 
- Privatize a typedef.
- Call the InvalidateEntry when refining a type.

llvm-svn: 90655
 2009-12-05 07:46:49 +00:00
Bill Wendling
887646a585 Temporarily revert r90502. It was causing the llvm-gcc bootstrap on PPC to fail. 
llvm-svn: 90653
 2009-12-05 07:30:23 +00:00
Nick Lewycky
056fe5f97d Fix indentation in switch statement. 
llvm-svn: 90650
 2009-12-05 06:37:24 +00:00
Nick Lewycky
10693e2bb0 Generalize this optimization to work on equality comparisons between any two 
integers that are constant except for a single bit (the same n-th bit in each).

llvm-svn: 90646
 2009-12-05 05:00:00 +00:00
Dan Gohman
bdf1b76e0f Don't print a space before the : between the file name and line number. 
And separate the directory and file name with a '/'.

llvm-svn: 90641
 2009-12-05 02:00:34 +00:00
Bill Wendling
fb8e8f8bd7 Inline methods which are called only once. 
llvm-svn: 90640
 2009-12-05 01:46:01 +00:00
Bill Wendling
7871b8a922 Refactor some code. No functionality change. 
llvm-svn: 90639
 2009-12-05 01:43:33 +00:00
Dan Gohman
b2fda9f9f4 Print newlines after printing labels for debug info, so that the output 
isn't cluttered with things like "Llabel47:Llabel48:  movq  (%rsi), %xmm3"

llvm-svn: 90638
 2009-12-05 01:42:34 +00:00
Dan Gohman
b352b42391 Don't blindly set the debug location for PHI node copies. 
llvm-svn: 90637
 2009-12-05 01:29:04 +00:00
Dan Gohman
c9454cd34f Make TargetSelectInstruction protected and called from FastISel.cpp 
instead of SelectionDAGISel.cpp.

llvm-svn: 90636
 2009-12-05 01:27:58 +00:00
Dan Gohman
f9654e9258 Remove the target hook TargetInstrInfo::BlockHasNoFallThrough in favor of 
MachineBasicBlock::canFallThrough(), which is target-independent and more
thorough.

llvm-svn: 90634
 2009-12-05 00:44:40 +00:00
Dan Gohman
fc11083645 Simplify this code: don't call AnalyzeBranch before doing simpler checks. 
llvm-svn: 90633
 2009-12-05 00:32:59 +00:00
Dan Gohman
feeb2f07a1 The debug information for an LLVM Instruction applies to that Instruction 
and that Instruction only. Implement this by setting the "current debug position"
back to Unknown after processing each instruction.

llvm-svn: 90632
 2009-12-05 00:27:08 +00:00
Dan Gohman
cf29c2243b Fix this code to use DIScope instead of DICompileUnit, as in r90181. 
Don't print "SrcLine"; just print the filename and line number, which
is obvious enough and more informative.

llvm-svn: 90631
 2009-12-05 00:23:29 +00:00
Dan Gohman
309e2283ab Don't print the debug directory; it's often long and uninteresting. Omit 
the column number if it is not known. Handle the case of a missing filename
better.

llvm-svn: 90630
 2009-12-05 00:20:51 +00:00
David Greene
755852d0c3 Remove an unneeded include. 
llvm-svn: 90625
 2009-12-04 23:55:07 +00:00
Dan Gohman
e6b70ddf0c Print a space between the comment character and the text. 
llvm-svn: 90621
 2009-12-04 23:19:55 +00:00
Devang Patel
10e8f51059 In TAG_subrange_type, uppder bound is zero indexed. 
llvm-svn: 90617
 2009-12-04 23:10:24 +00:00
David Greene
d75891618c Use new interfaces to print spill size. 
llvm-svn: 90611
 2009-12-04 22:46:04 +00:00
David Greene
cb0611ec3b Have hasLoad/StoreFrom/ToStackSlot return the relevant MachineMemOperand. 
llvm-svn: 90608
 2009-12-04 22:38:46 +00:00
Bob Wilson
8c1617ed73 Fix up some comments. 
llvm-svn: 90603
 2009-12-04 21:57:37 +00:00
Bob Wilson
514e0d319a Fix 80-column violations. 
llvm-svn: 90601
 2009-12-04 21:51:35 +00:00
Bill Wendling
168e8cb33b Some code cleanup. No functionality change. 
llvm-svn: 90588
 2009-12-04 21:03:02 +00:00
Victor Hernandez
e865bc76ad Avoid creating a metadata slot for all metadata that contains an instruction 
llvm-svn: 90581
 2009-12-04 20:07:10 +00:00
Evan Cheng
d587159de8 Handle recursive PHI's. 
llvm-svn: 90575
 2009-12-04 19:09:10 +00:00
Victor Hernandez
aae1944c56 Fix crasher when N->getElement(n) is NULL 
llvm-svn: 90572
 2009-12-04 18:29:23 +00:00
Evan Cheng
0b005cade5 Add a pre-regalloc tail duplication pass. 
llvm-svn: 90567
 2009-12-04 09:42:45 +00:00
Evan Cheng
30aa0aa350 Don't try to be cute with undef optimization here. Let ProcessImplicitDefs handle it. 
llvm-svn: 90566
 2009-12-04 09:23:37 +00:00
Duncan Sands
90101348bd Add note about a subtle bug in this code. Does not effect the main 
architectures that LLVM targets, because they don't use this code.

llvm-svn: 90564
 2009-12-04 08:42:17 +00:00
Daniel Dunbar
ff4a35a76b Fix typo and add missing include. 
llvm-svn: 90557
 2009-12-04 08:17:07 +00:00
Andreas Neustifter
c427ec12c0 Added debug output for inherited passes that are invalidated. 
llvm-svn: 90553
 2009-12-04 06:58:24 +00:00
Chris Lattner
107fc93d48 Fix PR5551 by not ignoring the top level constantexpr when 
folding a load from constant.

llvm-svn: 90545
 2009-12-04 06:29:29 +00:00
Chris Lattner
269f4c1c24 add to cmake 
llvm-svn: 90539
 2009-12-04 04:15:36 +00:00
Chris Lattner
167f1dc040 add the start of a class used to handle phi translation in memdep and 
gvn (this is just a skeleton so far).  This will ultimately be used
to fix a nasty miscompilation with GVN.

llvm-svn: 90518
 2009-12-04 02:10:16 +00:00
Victor Hernandez
8baca1a2de Teach AsmWriter to write inline (not via a global metadata slot) metadata that contains an instruction 
llvm-svn: 90512
 2009-12-04 01:35:02 +00:00
Bob Wilson
052088272f Fix a comment typo. 
llvm-svn: 90511
 2009-12-04 01:33:04 +00:00
Chris Lattner
422a3ff7d5 add an assert to make it really clear what this is doing. Return singularval as 
a compile time perf optimization to avoid a load.

llvm-svn: 90507
 2009-12-04 01:03:32 +00:00
Jakob Stoklund Olesen
7c5af26d12 Also attempt trivial coalescing for live intervals that end in a copy. 
The coalescer is supposed to clean these up, but when setting up parameters
for a function call, there may be copies to physregs. If the defining
instruction has been LICM'ed far away, the coalescer won't touch it.

The register allocation hint does not always work - when the register
allocator is backtracking, it clears the hints.

This patch takes care of a few more cases that r90163 missed.

llvm-svn: 90502
 2009-12-04 00:16:04 +00:00
Evan Cheng
0f151e89ab - If the reaching definition is an undef and the use is a PHI, add the implicit_def to the end of the source block. 
- When reaching value is replaced with another, update the cache as well.

llvm-svn: 90501
 2009-12-04 00:09:05 +00:00
Devang Patel
2e60d7e71f Insert composite type DIE into the map before processing type fields. This allows fields to find their context DIE from the map. 
llvm-svn: 90498
 2009-12-03 23:46:57 +00:00