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61ecbd196c
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33501 Commits

Author SHA1 Message Date
Devang Patel
61ecbd196c While calculating original type size for a derived type, handle type variants encoded as DIDerivedType appropriately. 
This improves bitfield support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86073 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 23:48:00 +00:00
Jim Grosbach
4371cda7f8 Grammar. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86068 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 23:20:40 +00:00
Chris Lattner
40dd12e708 improve DSE when TargetData is not around, based on work by 
Hans Wennborg!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86067 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 23:20:12 +00:00
Jim Grosbach
db1751a922 Now that the memory leak from McCat/08-main has been fixed (86056), re-enable 
aggressive testing of dynamic stack alignment.
Note that this is off by default, and enabled for LLCBETA nightly results.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 23:11:07 +00:00
Jim Grosbach
6db06a0866 If a function has no stack frame at all, dynamic realignment isn't necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86057 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 22:41:51 +00:00
Jim Grosbach
c5848f4ced dynamic stack realignment necessitates scanning the floating point callee- 
saved instructions even if no stack adjustment for those saves is needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86056 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 22:41:00 +00:00
Devang Patel
33db508283 Fix DW_AT_data_member_location for bit-fields. It points to the location of annonymous field that covers respective field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 22:06:12 +00:00
Bob Wilson
3d90dbee69 Add PowerPC codegen for indirect branches. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86050 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 21:31:18 +00:00
Lang Hames
0368e500eb Handle empty/tombstone keys for LiveIndex more cleanly. Check for index sanity when constructing index list entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 21:24:15 +00:00
Duncan Sands
7127b13342 A value is only assigned to errno if NumRead equals -1, so do 
not reason based on errno if NumRead has a different value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 20:50:23 +00:00
Eric Christopher
522c01ac65 Add some options to disable various code gen optimizations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 19:57:50 +00:00
Devang Patel
c416d3b25d Array element size does not match array size but array is not a bitfield. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86043 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 19:37:40 +00:00
Jakob Stoklund Olesen
ad68264f59 Print out an informative comment for KILL instructions. 
The KILL pseudo-instruction may survive to the asm printer pass, just like the IMPLICIT_DEF. Print the KILL as a comment instead of just leaving a blank line in the output.

With -asm-verbose=0, a blank line is printed, like IMPLICIT?DEF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86041 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 19:24:37 +00:00
Chris Lattner
0fb7e18edd Fix an iterator invalidation bug that happens when a hashtable 
resizes in IPSCCP.  This fixes PR5394.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 18:57:42 +00:00
Evan Cheng
50608bac2f RangeIsDefinedByCopyFromReg() should check for subreg_to_reg, insert_subreg, 
and extract_subreg as a "copy" that defines a valno.
Also fixes a typo. These two issues prevent a simple subreg coalescing from
happening before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 08:33:14 +00:00
Chris Lattner
092543ca71 move two functions up higher in the file. Delete a useless argument 
to EmitGEPOffset.  

Implement some new transforms for optimizing 
subtracts of two pointer to ints into the same vector.  This happens
for C++ iterator idioms for example, stringmap takes a const char*
that points to the start and end of a string.  Once inlined, we want
the pointer difference to turn back into a length.

This is rdar://7362831.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86021 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 08:05:20 +00:00
Evan Cheng
b9f51cbe98 The .n suffix must go after the predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 07:38:48 +00:00
Douglas Gregor
dece1e217a Fix CMake makefiles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85994 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 01:32:06 +00:00
Evan Cheng
7883fa942f Use ldr.n to workaround a darwin assembler bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-04 00:00:39 +00:00
Lang Hames
233a60ec40 The Indexes Patch. 
This introduces a new pass, SlotIndexes, which is responsible for numbering
instructions for register allocation (and other clients). SlotIndexes numbering
is designed to match the existing scheme, so this patch should not cause any
changes in the generated code.

For consistency, and to avoid naming confusion, LiveIndex has been renamed
SlotIndex.

The processImplicitDefs method of the LiveIntervals analysis has been moved
into its own pass so that it can be run prior to SlotIndexes. This was
necessary to match the existing numbering scheme.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 23:52:08 +00:00
Bob Wilson
888acc35a3 Fix branch folding bug for indirect branches: for a block containing only 
an unconditional branch (possibly from tail merging), this code is
trying to redirect all of its predecessors to go directly to the branch
target, but that isn't feasible for indirect branches.  The other
predecessors (that don't end with indirect branches) could theoretically
still be handled, but that is not easily done right now.

The AnalyzeBranch interface doesn't currently let us distinguish jump table
branches from indirect branches, and this code is currently handling
jump tables.  To avoid punting on address-taken blocks, we would have to give
up handling jump tables.  That seems like a bad tradeoff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 23:44:31 +00:00
Chris Lattner
fc36a562ae reimplement multiple return value handling in IPSCCP, making it 
more aggressive an correct.  This survives building llvm in 64-bit
mode with optimizations and the built llvm passes make check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85973 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 23:40:48 +00:00
Evan Cheng
5a1cd36019 Fix t2Int_eh_sjlj_setjmp. Immediate form of orr is a 32-bit instruction. So it should be 22 bytes instead of 20 bytes long. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85965 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 23:13:34 +00:00
Evan Cheng
b23b2015eb fconsts / fconstd immediate should be proceeded with #. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85952 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:59:33 +00:00
Evan Cheng
777c6b7caa Re-apply 85799. It turns out my code isn't buggy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85947 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 21:40:02 +00:00
David Goodwin
4de099d8ca Do a scheduling pass ignoring anti-dependencies to identify candidate registers that should be renamed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85939 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 20:57:50 +00:00
Chris Lattner
abf67ef548 finish half thunk thought 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85937 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 20:52:57 +00:00
Victor Hernandez
3ad70d5d61 Changes requested (avoid getFunction(), avoid Type creation via isVoidTy(), and avoid redundant isFreeCall cases) in feedback to r85176 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85936 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 20:39:35 +00:00
David Goodwin
a9e610768b <rdar://problem/7352605>. When building schedule graph use mayAlias information to avoid chaining loads/stores of spill slots with non-aliased memory ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85934 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 20:15:00 +00:00
Victor Hernandez
88efeaee22 Changes (* location in pointer variables, avoiding include, and using APInt::getLimitedValue) based on feedback to r85814 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85933 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 20:02:35 +00:00
Chris Lattner
2396cc37ae fix an IPSCCP bug I introduced when I changed IPSCCP to start working on 
functions that don't have local linkage.  Basically, we need to be more
careful about propagating argument information to functions whose results
we aren't tracking.  This fixes a miscompilation of 
LLVMCConfigurationEmitter.cpp when built with an llvm-gcc that has ipsccp
enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85923 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:24:51 +00:00
Duncan Sands
954cb43c80 Make this code more robust by not thinking we are making progress 
if zero bytes were read.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85922 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:10:22 +00:00
Devang Patel
e8bc45a645 Parse debug info attached with insertvalue and extractvalue instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85921 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 19:06:07 +00:00
Anton Korobeynikov
747409a290 Move subtarget check upper for NEON reg-reg fixup pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85914 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 18:46:11 +00:00
Devang Patel
1b845976d0 Ignore unnamed variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85909 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 18:30:27 +00:00
Chris Lattner
c175e5de2d fix a subtle bug I introduced when refactoring SCCP. Testcase 
to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85903 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 16:50:11 +00:00
Benjamin Kramer
419e44edab Eliminate some temporaries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85896 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 12:52:50 +00:00
Evan Cheng
f6c0bffa8d Trim unnecessary include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85878 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 07:08:08 +00:00
Bob Wilson
af14e663ac For Thumb indirect branches, use "mov pc, reg" which does not switch 
between ARM/Thumb modes and does not require the low bit of the target
address to be set for Thumb.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85874 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 06:29:56 +00:00
Jeffrey Yasskin
36d52bf4df Fix a funky "declared with greater visibility than the type of its field" 
warning from gcc by removing VISIBILITY_HIDDEN attributes.  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85873 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 06:29:36 +00:00
Evan Cheng
ba908640b3 Fix PR5367. QPR_8 is the super regclass of DPR_8 and SPR_8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85871 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:52:54 +00:00
Evan Cheng
b4db6a46e0 Clean up copyRegToReg. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85870 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:51:39 +00:00
Evan Cheng
3f4e47be0a Add QPR_8 as a superreg class of SPR_8 and DPR_8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85869 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:50:57 +00:00
Chris Lattner
ff2f683143 remove unneeded checks of isFreeCall 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85866 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:35:19 +00:00
Chris Lattner
b8d264aa6b remove a check of isFreeCall: the argument to free is already nocapture so the generic call code works fine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85865 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:34:51 +00:00
Chris Lattner
938e176633 remove a isFreeCall check: it is a callinst that can write to memory already. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85863 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 05:33:46 +00:00
Ted Kremenek
92dbd0b320 Update CMake file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85861 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 04:14:12 +00:00
Ted Kremenek
8ab51e3041 Alphabetize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85859 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 04:01:53 +00:00
Chris Lattner
14532d03a1 turn IPSCCP back on now that the iterator invalidation bug is fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85858 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 03:42:51 +00:00
Anton Korobeynikov
7aaf94bb0d Turn neon reg-reg moves fixup code into separate pass. This should reduce the compile time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85850 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-11-03 01:04:26 +00:00