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Author SHA1 Message Date
Bob Wilson
8561dcd730 Move the EnableFullLoadPRE flag from a separate command-line option to an 
argument of createGVNPass and set it automatically for -O3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97245 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 19:09:47 +00:00
Sanjiv Gupta
ad597f99d9 disable-mem2reg and disable-gvn options should not be used by the driver. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97236 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:38:44 +00:00
Bob Wilson
60df9077eb Remove unused "NoPRE" parameter in GVN and createGVNPass(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97235 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:35:19 +00:00
Chris Lattner
f60e9bbbad pass in more section kinds, enough to get the .align 0x90 
stuff to emit optimal nops in the right places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:32:26 +00:00
Sanjiv Gupta
20c51be30c The cloner has nothing to do if any of the main or ISR entrypoints are not 
present in the module.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97232 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:32:18 +00:00
Chris Lattner
3f5e0b8114 fix PR6435 another bug from the MallocInst elimination work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97231 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:23:13 +00:00
Jeffrey Yasskin
818747c9dd Set svn:keywords property on docs/Packaging.html. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97230 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:07:00 +00:00
Jeffrey Yasskin
0ca43f2b46 Add to the packaging advice. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97229 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 18:03:43 +00:00
Sanjiv Gupta
2b0070211e Reapply things reverted back in 97220, with the fixed test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97228 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 17:59:28 +00:00
Dan Gohman
6fe0df2abb movl is a cheaper way to materialize 0 without clobbering EFLAGS than movabsq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 16:49:27 +00:00
Richard Osborne
d712783492 Fix XCoreTargetLowering::isLegalAddressingMode() to handle VoidTy. 
Previously LoopStrengthReduce would sometimes be unable to find
a legal formula, causing an assertion failure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 16:44:51 +00:00
Chandler Carruth
727cf62123 Revert r97211 and r97213 to get the build green again. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97220 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 08:43:09 +00:00
Chris Lattner
5a56e5c82a add some helpful comments to the emitter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97219 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 08:15:02 +00:00
Chris Lattner
d6f0602564 switch from my nice hashtable based merging solution to a 
gross little neighbor merging implementation.  This one has
the benefit of not violating the ordering of patterns, so it
generates code that passes tests again.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97218 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 08:08:41 +00:00
Chris Lattner
bb08d89298 fix same bug in CheckChainCompatibleMatcher::isEqualImpl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97217 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 08:06:02 +00:00
Chris Lattner
38717f6ccf fix a nasty bug in CheckTypeMatcher::isEqualImpl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97216 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 08:05:36 +00:00
Chris Lattner
d4397b9481 finish off the factoring optimization along the lines of the 
current design.  This generates a matcher that successfully
runs, but it turns out that the factoring we're doing violates
the ordering of patterns, so we end up matching (e.g.) movups
where we want movaps.  This won't due, but I'll address this in
a follow on patch.  It's nice to not be on by default yet! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 07:36:37 +00:00
Chris Lattner
ca56feaf38 add a new setNumChildren method for resizing scopes. Tweak getHash() so 
that we never return a tombstone value, which (thankfully) triggers an
assert in densemap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 07:35:27 +00:00
Sanjiv Gupta
651d85c2f2 Currently in LLVM, names of libcalls are assigned during TargetLowering 
object construction. There is no provision to change them when the 
code for a function generated. 
So we have to change these names while printing assembly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 07:31:15 +00:00
Chris Lattner
00947ee2db fix the matcher in the presence of multiple scopes: we need to save 
and restore the entire matcher stack by value.  This is because children
we're testing could do moveparent or other things besides just 
scribbling on additions to the stack.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 07:28:20 +00:00
Sanjiv Gupta
917733eca0 Before converting an operand to mem, check if it is legal to do so. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97211 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 07:27:35 +00:00
Chris Lattner
5478b6b6f6 this file lacks a run line! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 02:40:57 +00:00
Dan Gohman
8ff4b439dd Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 02:15:17 +00:00
Dan Gohman
e13709af60 Delete a bunch of redundant predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 01:14:30 +00:00
Bill Wendling
0b1d2f3012 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 01:12:52 +00:00
Jeffrey Yasskin
0c0f4b6e01 Give packagers some advice about how to build LLVM so it's useful to 
the most users.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 00:54:42 +00:00
Bill Wendling
bb4283ec13 Add another (and hopefully the last) exception case, where once we recalculate 
the alignment requirement, if it no longer makes the TType base offset overflow
into extra bytes, then we need to pad to those bytes ourselves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 00:43:54 +00:00
Bill Wendling
fdb2be8b09 And should use the correct variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 00:24:25 +00:00
Bill Wendling
a888645425 Got assertion check backwards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-26 00:22:42 +00:00
Bill Wendling
86f0d33f85 Catch a corner case where adding the padding to the "TType base offset" field 
will eliminate the need for padding in the "Call site table length". E.g., if
we have this:

    GCC_except_table1:
    Lexception1:
        .byte   0xff  ## @LPStart Encoding = omit
        .byte   0x9b  ## @TType Encoding = indirect pcrel sdata4
        .byte   0x7f  ## @TType base offset
        .byte   0x03  ## Call site Encoding = udata4
        .byte   0x89  ## Call site table length

with padding of 1. We want to emit the padding like this:
 
    GCC_except_table1:
    Lexception1:
        .byte   0xff  ## @LPStart Encoding = omit
        .byte   0x9b  ## @TType Encoding = indirect pcrel sdata4
        .byte   0xff  ## @TType base offset
        .space  1,0   ## Padding
        .byte   0x03  ## Call site Encoding = udata4
        .byte   0x89  ## Call site table length

and not with padding on the "Call site table length" entry.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 23:52:44 +00:00
Dan Gohman
cf0c9bc162 Fix a few more typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 23:51:27 +00:00
Dan Gohman
abbf7cb7a9 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97181 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 23:41:41 +00:00
John Criswell
7def293487 Added SAFECode (safecode) to the list of projects to automatically configure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 22:57:19 +00:00
Chris Lattner
a687465bae rewrite OptimizeGlobalAddressOfMalloc to fix PR6422, some bugs 
introduced when mallocinst was eliminated. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97178 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 22:33:52 +00:00
Daniel Dunbar
55983f1ca5 tests: Propogate the HOME environment variable through to tests. I'm ambivalent 
about this, but it can be useful for users who use ccache, since the LLVMC tests
are fond of calling gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 22:09:09 +00:00
Bill Wendling
7c78dbb493 Fix HTML. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 21:23:24 +00:00
Bill Wendling
f7e90ae205 Make comment more meaningful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97169 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 21:19:47 +00:00
Dan Gohman
d179a8b1d9 Add svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97167 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 20:56:25 +00:00
Dan Gohman
9949dd612c Fix ExpandVectorBuildThroughStack for the case where the 
operands are themselves vectors. Based on a patch by
Micah Villmow for PR6338.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 20:30:49 +00:00
Johnny Chen
6341c5a4c4 Added the following 32-bit Thumb instructions for disassembly only: SMC, RFE, 
and SRS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 20:25:24 +00:00
Johnny Chen
ce6275fd2c Added the 32-bit Thumb instructions (BXJ) for disassembly only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97163 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 19:05:29 +00:00
Chris Lattner
d6c84720df change the scope node to include a list of children to be checked 
instead of to have a chained series of scope nodes.  This makes
the generated table smaller, improves the efficiency of the
interpreter, and make the factoring optimization much more 
reasonable to implement.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 19:00:39 +00:00
Johnny Chen
2333655ed0 Added the 32-bit Thumb instructions (MRS and MSR) for disassembly only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97159 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:46:43 +00:00
Kevin Enderby
d74acb0c78 This is a patch to the assembler frontend to detect when aligning a text 
section with TextAlignFillValue and calls EmitCodeAlignment() instead of
calling EmitValueToAlignment().  This allows x86 assembly code to be aligned
with optimal nops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:46:04 +00:00
Dan Gohman
55c8a7e778 stkrc is gone. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97156 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:18:49 +00:00
Dan Gohman
5f8bfebb38 Add the union keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:17:58 +00:00
Dan Gohman
b02c08c2ab Merge the advanced getelementptr FAQ into the regular 
getelementptr FAQ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:16:03 +00:00
Daniel Dunbar
010b1b2a0d Fix TextAlignFillValue in a few places 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:07:10 +00:00
Daniel Dunbar
99fe6d92d3 Add simple script for finding most-recent-rev-before-N in a git-svn repo; useful 
when bisecting multiple repos in sync.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97150 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 18:07:07 +00:00
Johnny Chen
d86d269f08 Added the following 16-bit Thumb instructions for disassembly only: YIELD, WFE, 
WFI, SEV, SETEND.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-25 17:51:03 +00:00