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7646 Commits

Author SHA1 Message Date
Dan Gohman
9bf0b9bd44 Now that numbered types have their number printed, it's no longer 
interesting to print the number in a comment. Numbered instructions
don't need their number in a comment either.

Also, tidy up newline printing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78865 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 23:54:22 +00:00
Dan Gohman
3845e50ede Extend the AsmWriter to print unnamed numbered types as "%0 = type ..." 
and unnamed numbered global variables as "@0 = global ...". Extend the
AsmParser to recognize these forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 23:32:33 +00:00
Dan Gohman
46d505647d Use WriteAsOperand to print BasicBlock names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78838 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 20:56:56 +00:00
Bob Wilson
114a266c94 Generate Neon VTBL and VTBX instructions from the corresponding intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78835 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 20:51:55 +00:00
Dale Johannesen
871fc2eaa0 Test for 78821, sort of. While that bug is nondeterministic, 
this test failed consistently on a Darwin build.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78822 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 17:43:47 +00:00
Dan Gohman
6b018979da Fix whitespace expectations to match the new AsmWriter behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78819 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 17:39:04 +00:00
Dan Gohman
683e922d29 Make LLVM Assembly dramatically easier to read by aligning the comments, 
using formatted_raw_ostream's PadToColumn.

Before:

bb1:            ; preds = %bb
  %2 = sext i32 %i.01 to i64            ; <i64> [#uses=1]
  %3 = getelementptr double* %p, i64 %2         ; <double*> [#uses=1]
  %4 = load double* %3, align 8         ; <double> [#uses=1]
  %5 = fmul double %4, 1.100000e+00             ; <double> [#uses=1]
  %6 = sext i32 %i.01 to i64            ; <i64> [#uses=1]
  %7 = getelementptr double* %p, i64 %6         ; <double*> [#uses=1]

After:

bb1:                                        ; preds = %bb
  %2 = sext i32 %i.01 to i64                ; <i64> [#uses=1]
  %3 = getelementptr double* %p, i64 %2     ; <double*> [#uses=1]
  %4 = load double* %3, align 8             ; <double> [#uses=1]
  %5 = fmul double %4, 1.100000e+00         ; <double> [#uses=1]
  %6 = sext i32 %i.01 to i64                ; <i64> [#uses=1]
  %7 = getelementptr double* %p, i64 %6     ; <double*> [#uses=1]

Several tests required whitespace adjustments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78816 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 17:23:50 +00:00
Dan Gohman
9ca9daad21 Transform -X/C to X/-C, implementing a README.txt entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78812 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 16:37:02 +00:00
Dan Gohman
fa94b948d9 Optimize (x/C)*C to x if the division is exact. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78811 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 16:33:09 +00:00
Chris Lattner
54d26fa799 one last (?) bad x86 triple test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78801 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 06:49:44 +00:00
Chris Lattner
db777bbb97 fix some pastos in triple lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78800 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 06:49:12 +00:00
Chris Lattner
9249a9241d another bogus triple 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78798 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 06:36:52 +00:00
Chris Lattner
118987f080 fix another broken target triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78796 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 06:29:18 +00:00
Chris Lattner
ff740d11f0 fix an incorrect target triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78795 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 06:28:51 +00:00
Chris Lattner
e14463832c add nounwind 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78791 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 05:44:03 +00:00
Evan Cheng
ea253b99e9 Remove an Darwin assembler workaround. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78777 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 01:56:42 +00:00
Evan Cheng
05c269c645 Shrink ADDS, ADC, RSB, and SUBS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78776 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 01:49:45 +00:00
Bill Wendling
c98c68777f Testcase for r78770. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78774 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 01:47:51 +00:00
Dale Johannesen
428473bf21 Test for llvm-gcc patch 78762. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78763 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 01:14:30 +00:00
Dan Gohman
45563ba9e3 llvm-gcc now emits inbounds for this getelementptr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78758 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-12 00:35:55 +00:00
Daniel Dunbar
1095f2ae26 llvm-mc/AsmParser: Match hard coded registers (e.g. 'shldl %cl, %eax, %eax') 
We now match all of 403.gcc (as emitted by clang). :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78750 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 23:23:44 +00:00
Evan Cheng
b89030ab65 Shrinkify Thumb2 r = add sp, imm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 23:00:31 +00:00
Evan Cheng
4b322e58b7 Shrinkify Thumb2 load / store multiple instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78717 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 21:11:32 +00:00
Dan Gohman
1bdf5dc835 Optimize exact sdiv by a constant power of 2 to ashr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 20:47:47 +00:00
Dan Gohman
f536368be8 Use wchar.h to get wchar_t, not ctype.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78703 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 19:59:21 +00:00
Devang Patel
ab67e705f5 Link NamedMDNodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78696 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 18:01:24 +00:00
Daniel Dunbar
b27a41b440 llvm-mc: Fix a crash on invalid due to a typo in relocatable expression 
evaluation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78692 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 17:47:52 +00:00
Chris Lattner
d3fe75e2bf now that these are in file-check format, we can merge them together 
into one bigger test (which runs faster)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78672 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 15:54:17 +00:00
Dan Gohman
004072508b Don't assume that external global variables are aligned at their preferred 
alignment. Only the minimum alignment guaranteed by the ABI may be assumed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78668 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 15:50:03 +00:00
Evan Cheng
195c71b472 Fix the previous accidental commit. Now shrinking common Thumb2 load / store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78659 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 09:37:40 +00:00
Devang Patel
ae709eaeb1 Link metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78652 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 06:46:31 +00:00
Jakob Stoklund Olesen
8c54a62061 Rebuild RegScavenger::DistanceMap each time it is needed. 
The register scavenger maintains a DistanceMap that maps MI pointers to their
distance from the top of the current MBB. The DistanceMap is built
incrementally in forward() and in bulk in findFirstUse(). It is used by
scavengeRegister() to determine which candidate register has the longest
unused interval.

Unfortunately the DistanceMap contents can become outdated. The first time
scavengeRegister() is called, the DistanceMap is filled to cover the MBB. If
then instructions are inserted in the MBB (as they always are following
scavengeRegister()), the recorded distances are too short. This causes bad
behaviour in the included test case where a register use /after/ the current
position is ignored because findFirstUse() thinks is is /before/ the current
position. A "using an undefined register" assertion follows promptly.

The fix is to build a fresh DistanceMap at the top of scavengeRegister(), and
discard it after use. This means that DistanceMap is no longer needed as a
RegScavenger member variable, and forward() doesn't need to update it.

The fix then discloses issue number two in the same test case: The candidate
search in scavengeRegister() finds a CSR that has been saved in the prologue,
but is currently unused. It would be both inefficient and wrong to spill such
a register in the emergency spill slot. In the present case, the emergency
slot restore is placed immediately before the normal epilogue restore, leading
to a "Redefining a live register" assertion.

Fix number two: When scavengerRegister() stumbles upon an unused register that
is overwritten later in the MBB, return that register early. It is important
to verify that the register is defined later in the MBB, otherwise it might be
an unspilled CSR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78650 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 06:25:12 +00:00
Bob Wilson
d1fa3f58a0 Convert more Neon tests to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78648 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 05:51:19 +00:00
Bob Wilson
b0abb4dc42 Use vAny type to get rid of Neon intrinsics that differed only in whether 
the overloaded vector types allowed floating-point or integer vector elements.
Most of these operations actually depend on the element type, so bitcasting
was not an option.

If you include the vpadd intrinsics that I updated earlier, this gets rid
of 20 intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78646 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 05:39:44 +00:00
Daniel Dunbar
0db68f4e3a llvm-mc/X86: Parse '*' correctly (in the way the matcher expects). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78642 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 05:00:25 +00:00
Daniel Dunbar
1e840b2c61 llvm-mc: Accept .word as a synonym for .short 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78641 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 04:44:00 +00:00
Daniel Dunbar
d0c14d6913 llvm-mc: Sketch parsing for .file, .line, and .loc. No streamer hooks for these 
yet (I'm not even sure what they do).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78639 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 04:24:50 +00:00
Daniel Dunbar
ace63127bc llvm-mc: Fix darwin .section parsing. It was skipping the section name and a ',' 
(and outputting a diagnostic pointing at the wrong place), all of which lead to
much confusion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78637 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 03:42:33 +00:00
Daniel Dunbar
ea6408f8cd llvm-mc/AsmParser: Implement automatic classification of RegisterClass operands. 
- This drops us to 123 ambiguous instructions (previously ~500) on X86.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78636 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 02:59:53 +00:00
Bob Wilson
f24bd401eb Use new EVT::vAny type to combine Neon intrinsics for VPADD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78632 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-11 01:15:26 +00:00
Evan Cheng
3a1f0f6785 Enable Thumb2 instruction shrinking (32-bit to 16-bit) pass. Convert a bunch of thumb2 tests to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78622 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 23:56:04 +00:00
Dan Gohman
00edf39b34 Fix a bug in the DAGCombiner's handling of multiple linked 
MERGE_VALUES nodes. Replacing the result values with the
operands in one MERGE_VALUES node may cause another
MERGE_VALUES node be CSE'd with the first one, and bring
its uses along, so that the first one isn't dead, as this
code expects. Fix this by iterating until the node is
really dead. This fixes PR4699.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78619 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 23:43:19 +00:00
David Goodwin
c5cfea3c02 Use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78614 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 23:14:14 +00:00
David Goodwin
4980187dd9 Use FileCheck... its good for you... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78613 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 23:06:57 +00:00
David Goodwin
af37f341df Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78611 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 22:58:08 +00:00
David Goodwin
aeb66fe54e Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78606 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 22:31:04 +00:00
David Goodwin
338268c67f Use NEON for single-precision int<->FP conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78604 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 22:17:39 +00:00
Daniel Dunbar
44f63f9335 llvm-mc/AsmParser: Disambiguate i64i8imm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 21:06:41 +00:00
Evan Cheng
e2b861f7d9 Handle the constantfp created during post-legalization dag combiner phase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78594 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 20:25:59 +00:00
Erick Tryzelaar
1afd3e67d1 Fix ocaml "make check" tests, that wasn't finding the proper c++ compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78592 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-10 19:45:05 +00:00