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Author SHA1 Message Date
Evan Cheng 97b9b97853 PHI elimination should not break back edge. It can cause some significant code placement issues. rdar://8263994 
good:
LBB0_2:
  mov     r2, r0
  . . .
  mov     r1, r2
  bne     LBB0_2

bad:
LBB0_2:
  mov     r2, r0
  . . .
@ BB#3:
  mov     r1, r2
  b       LBB0_2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111221 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 01:20:36 +00:00
Eric Christopher 922157c834 Remove predicate workaround, we're going to require that predicate 
and optional def operands are handled in the backend support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111220 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 01:18:37 +00:00
Eric Christopher 038fea5e30 Make arm fast-isel possible to enable via command line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111219 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:46:57 +00:00
Benjamin Kramer 172d7d6a12 Try to silence a overeager GCC warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:33:24 +00:00
Benjamin Kramer 368ae7e4ec A round of minor cleanups for ELFObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-17 00:00:46 +00:00
Bob Wilson 8f58a2e8e1 Add a testcase for svn 111208. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:44:29 +00:00
Owen Anderson 4bb3eafab5 Fix another iterator invalidation that caused a *really* nasty miscompilation in 403.gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111210 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:42:33 +00:00
Bob Wilson ca5e47d3f8 Ignore undef shuffle indices when checking for a VTRN shuffle. Radar 8290937. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:37:17 +00:00
Jim Grosbach fecdea0bf7 tidy up. remove unused local. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:26:09 +00:00
Benjamin Kramer 1f8aa7bf08 Silence warnings and simplify code. Eliminate a 32/64 bit portability issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 23:00:12 +00:00
Dan Gohman 3620ff9a8b The plural of analysis is analyses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:57:28 +00:00
Dan Gohman 65bffec2c2 Make dumpPassStructure be a PMDataManager abstraction, rather than 
a Pass abstraction, since that's the level it's actually used at.
Rename Pass' dumpPassStructure to dumpPass.

This eliminates an awkward use of getAsPass() to convert a PMDataManager*
into a Pass* just to permit a dumpPassStructure call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:45:12 +00:00
Jim Grosbach 4861ed60ac Better handle alignment requirements for local objects in pre-regalloc frame 
mapping. Have the local block track its alignment requirement, and then
apply that when the block itself is allocated. Previously, offsets could
get adjusted in PEI to be different, relative to one another, than the
block allocation thought they would be, which defeats the point of doing
the allocation this way. Continuing rdar://8277890

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:30:41 +00:00
Bob Wilson dc66edaced Generalize a pattern for PKHTB: an SRL of 16-31 bits will guarantee 
that the high halfword is zero.  The shift need not be exactly 16 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:26:55 +00:00
Bob Wilson b05b80160a Convert test to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:21:13 +00:00
Dan Gohman 9fb7d04cfc Make some of PMTopLevelManager's members non-public. In particular, 
make its constructor protected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 22:03:47 +00:00
Dan Gohman b85b31b300 Remove redundant inline keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:57:30 +00:00
Dan Gohman 7578ea887d Eliminate the TopLevelManagerType enum; instead, just make 
PMTopLevelManager's constructor take a PMDataManager *, which already
provides the needed abstraction support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:38:42 +00:00
Eli Friedman bc1fb2b6fa Comment out some broken/unused/useless instructions which mess up disassembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:18:51 +00:00
Eli Friedman a44fa2473a Fixes for generation of ELF relocations. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:17:09 +00:00
Eli Friedman 321473d51d Don't attempt to SimplifyShortMoveForm in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 21:03:32 +00:00
Eli Friedman 0b95fdbd6f Until uleb/sleb are MC-ized, add a hack to make them work with ELF object 
emission.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 20:08:40 +00:00
Eli Friedman f8020a3978 Fix a few warnings in and detabify MCELFStreamer and ELFObjectWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111175 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 19:15:06 +00:00
Matt Fleming 3565a06ebf Add ELF ObjectWriter and Streamer support. 
I forgot to add these files in commit 111172.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111174 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:57:57 +00:00
Matt Fleming 453db50333 Hookup ELF support for X86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111173 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:36:14 +00:00
Matt Fleming 6b2e257e74 Add ELF ObjectWriter and Streamer support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:35:43 +00:00
Matt Fleming a8bf473fb1 Layout helper function. 
Introduce a helper method to add a section to the end of a layout. This
will be used by the ELF ObjectWriter code to add the metadata sections
(symbol table, etc) to the end of an object file.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:35:06 +00:00
Matt Fleming 6c8b3d2f1f Record a symbol's size which is needed for ELF symbol tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:34:31 +00:00
Matt Fleming 3e09669bc4 ELF entry size support. 
Some ELF sections contain fixed-sized entries. Provide a way to record
the entry size of a section.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111169 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:33:46 +00:00
Bob Wilson 22f5dc79c0 Rename sat_shift operand to shift_imm, in preparation for using it for other 
instructions besides saturate instructions.  No functional changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111168 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:27:34 +00:00
Jakob Stoklund Olesen de78f05cf7 Partially revert r111155. It looks like MSVC is calling an operator<() that 
clang says is unused.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:24:54 +00:00
Jim Grosbach 63249347c2 track local frame size in MFI, not local to the pass, since PEI needs it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 18:06:15 +00:00
Dan Gohman 7d0e3c01f3 Revert r111031. The way LLVM defines loop invariance, the property of an 
expression being loop invariant is not equivalent to the property of
properly dominating the loop header.

Other optimizations have also made this optimization less important.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:34:25 +00:00
Jakob Stoklund Olesen 5ba3e4d75d Remove unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111156 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:18:20 +00:00
Jakob Stoklund Olesen a649ab542d Remove unused functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:18:18 +00:00
Bob Wilson 45cdd7fd61 Remove unused code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:06:03 +00:00
Bob Wilson e269ead8c6 Convert a test to use FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:05:27 +00:00
Dan Gohman 081ad68e68 Placate overzealous compiler warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 17:01:55 +00:00
Dan Gohman 1895991a08 To create a copy of a SmallVector with an element removed from the 
middle, copy the elements in two groups, rather than copying all the
elements and then doing an erase on the middle of the result. These
are SmallVectors, so we shouldn't expect to hit dynamic allocation
in the common case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:57:24 +00:00
Bob Wilson 0ab754b25a Install Embedded builds into usr/local. Radar 8313723. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:39:59 +00:00
Chris Lattner abf8f9cbb8 silence a vc2010 warning: " result of 32-bit shift implicitly converted to 
64 bits (was 64-bit shift intended?)", pointed out by 'nobled' on llvmdev


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:35:20 +00:00
Dan Gohman 0c5e95df57 Tidy whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:34:09 +00:00
Dan Gohman 619d3324bd Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:31:39 +00:00
Dan Gohman 8d9c7a6701 Use const_iterator in a few places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:30:01 +00:00
Dan Gohman 2d16fc5ff0 Use iterators instead of indices in a few more places. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:27:53 +00:00
Dan Gohman e28d7922f7 Micro-optimize SCEVConstant comparison. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:25:35 +00:00
Dan Gohman 2f199f9952 Move SCEVNAryExpr's virtual member functions out of line, and convert 
them to iterators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:21:27 +00:00
Dan Gohman bb85409b51 Use iterators instead of indices in simple cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111138 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:16:11 +00:00
Dan Gohman c4f77983d8 Avoid gratuitous inefficiency in ifndef NDEBUG code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:13:54 +00:00
Dan Gohman d3f171d66f Make one getAddExpr call when analyzing a+b+c+d+e+... instead of one 
for each add instruction. Ditto for Mul.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111136 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-08-16 16:03:49 +00:00