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103878 Commits

Author SHA1 Message Date
Stephen Wilson 8acdbb8a75 Add missing headers. 
Something changed in commit r129112 where a few standard headers vanished from
the include chain when building on Linux.  Fix up by including limits.h for
INT_MAX and PATH_MAX where needed, and stdio.h for printf().

llvm-svn: 129130
 2011-04-08 13:36:44 +00:00
Nick Lewycky 466d0c1f93 llvm.global_[cd]tor is defined to be either external, or appending with an array 
of { i32, void ()* }. Teach the verifier to verify that, deleting copies of
checks strewn about.

llvm-svn: 129128
 2011-04-08 07:30:21 +00:00
Chandler Carruth 42983aef34 Switch 'is possibly uninitialized' to 'may be uninitialized' based on 
Chris's feedback.

llvm-svn: 129127
 2011-04-08 06:47:15 +00:00
Chandler Carruth 278f89732f Now that the analyzer is distinguishing between uninitialized uses that 
definitely have a path leading to them, and possibly have a path leading
to them; reflect that distinction in the warning text emitted.

llvm-svn: 129126
 2011-04-08 06:33:38 +00:00
Bill Wendling 33984c6973 Only emit the AvailableFeatures variable if it's used. 
llvm-svn: 129124
 2011-04-08 04:08:57 +00:00
Bruno Cardoso Lopes a21d470870 Also add the late notes for Mips in the current release note 
llvm-svn: 129122
 2011-04-08 03:06:22 +00:00
Stephen Wilson 05459c8269 Add the ARM instruction emulation makefile. 
I forgot to 'svn add' this file in r129119.

llvm-svn: 129120
 2011-04-08 02:11:29 +00:00
Stephen Wilson d5adc9185c Add makefile support for the ARM instruction emulation plugin. 
llvm-svn: 129119
 2011-04-08 02:01:35 +00:00
Stephen Wilson 3f588d3f50 linux: add missing arguments to FindFirstModuleForFileSpec 
Specifying the new arguments as NULL is appropriate for now as this is
backwards-compatible with the old invocation. 

llvm-svn: 129118
 2011-04-08 02:00:23 +00:00
Johnny Chen 7e51b4640f Add sanity checking for bad register specifier(s) for the DPFrm instructions. 
Add more test cases to exercise the logical branches related to the above change.

llvm-svn: 129117
 2011-04-08 00:29:09 +00:00
Rafael Espindola 9a1a34b105 Update tests 
llvm-svn: 129116
 2011-04-07 23:51:25 +00:00
Rafael Espindola b80875edee Micro optimization and improved similarity with gas' output: 
When two section names share a suffix, reuse the entry in shstrtab.

llvm-svn: 129115
 2011-04-07 23:21:52 +00:00
Devang Patel bc3d8b212f Do not let debug info interfer with branch folding. 
llvm-svn: 129114
 2011-04-07 23:11:25 +00:00
Greg Clayton eb0103f2d0 Modified the ArchSpec to take an optional "Platform *" when setting the triple. 
This allows you to have a platform selected, then specify a triple using
"i386" and have the remaining triple items (vendor, os, and environment) set
automatically.

Many interpreter commands take the "--arch" option to specify an architecture
triple, so now the command options needed to be able to get to the current
platform, so the Options class now take a reference to the interpreter on
construction.

Modified the build LLVM building in the Xcode project to use the new
Xcode project level user definitions:

LLVM_BUILD_DIR - a path to the llvm build directory
LLVM_SOURCE_DIR - a path to the llvm sources for the llvm that will be used to build lldb
LLVM_CONFIGURATION - the configuration that lldb is built for (Release, 
Release+Asserts, Debug, Debug+Asserts).

I also changed the LLVM build to not check if "lldb/llvm" is a symlink and
then assume it is a real llvm build directory versus the unzipped llvm.zip
package, so now you can actually have a "lldb/llvm" directory in your lldb
sources.

llvm-svn: 129112
 2011-04-07 22:46:35 +00:00
Johnny Chen 165a07adf9 Add a VEXT test. 
llvm-svn: 129111
 2011-04-07 22:04:01 +00:00
Bill Wendling bc3f79044a Replace the old algorithm that emitted the "print the alias for an instruction" 
with the newer, cleaner model. It uses the IAPrinter class to hold the
information that is needed to match an instruction with its alias. This also
takes into account the available features of the platform.

There is one bit of ugliness. The way the logic determines if a pattern is
unique is O(N**2), which is gross. But in reality, the number of items it's
checking against isn't large. So while it's N**2, it shouldn't be a massive time
sink.

llvm-svn: 129110
 2011-04-07 21:20:06 +00:00
Rafael Espindola ece7c9c282 If present, use gold's support for getting a file view. This prevents having 
to map the file both in the linker and in the plugin.

llvm-svn: 129109
 2011-04-07 21:11:00 +00:00
Daniel Dunbar f28c2ffb84 Driver: Don't attempt to forward some Clang-only options to cc1. 
llvm-svn: 129108
 2011-04-07 20:41:03 +00:00
Evan Cheng 9a3f2772f0 Add option to emit @llvm.trap as a function call instead of a trap instruction. rdar://9249183. 
llvm-svn: 129107
 2011-04-07 20:31:12 +00:00
Rafael Espindola 88bc341061 Add support for .skip. 
Patch by Roman Divacky.
Fixes PR9361.

llvm-svn: 129106
 2011-04-07 20:26:23 +00:00
Akira Hatanaka 052163e6d3 Fix indentation. 
llvm-svn: 129105
 2011-04-07 20:25:10 +00:00
Akira Hatanaka 94ee37e487 Update ATUsed every time after expandRegLargeImmPair is called. 
llvm-svn: 129104
 2011-04-07 20:23:26 +00:00
Daniel Dunbar 44d9ef78ca Frontend/CC_LOG_DIAGNOSTICS: Fix thinko and open diag log in append mode. 
llvm-svn: 129103
 2011-04-07 20:19:21 +00:00
Ted Kremenek 97c393807b Teach -Wuninitialized to not warn about variables declared in C++ catch statements. 
llvm-svn: 129102
 2011-04-07 20:02:56 +00:00
Mon P Wang 27f3330132 Fixed encoding for VEXTqf 
llvm-svn: 129101
 2011-04-07 19:56:12 +00:00
Andrew Trick 2ad0b37318 Added a check in the preRA scheduler for potential interference on a 
induction variable. The preRA scheduler is unaware of induction vars,
so we look for potential "virtual register cycles" instead.

Fixes <rdar://problem/8946719> Bad scheduling prevents coalescing

llvm-svn: 129100
 2011-04-07 19:54:57 +00:00
Akira Hatanaka d6f1c58914 Fix handling of functions with internal linkage. 
llvm-svn: 129099
 2011-04-07 19:51:44 +00:00
Johnny Chen 04efb8f6ce Add sanity checking for invalid register encodings for signed/unsigned extend instructions. 
Add some test cases.

llvm-svn: 129098
 2011-04-07 19:28:58 +00:00
Daniel Dunbar 2f8d10e8d7 Fronted/CC_LOG_DIAGNOSTICS: Add test case. 
llvm-svn: 129097
 2011-04-07 19:05:06 +00:00
Johnny Chen 07606661f9 Add sanity checking for invalid register encodings for saturating instructions. 
llvm-svn: 129096
 2011-04-07 19:02:08 +00:00
Daniel Dunbar 7b83306d20 Fronted/CC_LOG_DIAGNOSTICS: Wire up dwarf-debug-flags support. 
llvm-svn: 129095
 2011-04-07 18:59:02 +00:00
Daniel Dunbar c032503274 Fronted/CC_LOG_DIAGNOSTICS: Output main file name, and add support for 
outputting dwarf-debug-flags.

llvm-svn: 129094
 2011-04-07 18:51:54 +00:00
Daniel Dunbar 719393a56b Fronted/CC_LOG_DIAGNOSTICS: Tweak output form to be plist chunks, and don't 
output missing data.

llvm-svn: 129093
 2011-04-07 18:44:15 +00:00
Jakob Stoklund Olesen 64beb47783 Recompute hasPHIKill flags when shrinking live intervals. 
PHI values may be deleted, causing the flags to be wrong. This fixes PR9616.

llvm-svn: 129092
 2011-04-07 18:43:14 +00:00
Daniel Dunbar 4f3a28b387 Frontend: Continue flushing out LogDiagnosticPrinter. 
llvm-svn: 129091
 2011-04-07 18:37:34 +00:00
Johnny Chen 194a2267ad Add some more comments about checkings of invalid register numbers. 
And two test cases.

llvm-svn: 129090
 2011-04-07 18:33:19 +00:00
Daniel Dunbar 2083c32f7a Frontend: Sketch a LogDiagnosticPrinter object, and wire CC_LOG_DIAGNOSTICS to 
it.

llvm-svn: 129089
 2011-04-07 18:31:10 +00:00
Daniel Dunbar 4efbb07527 ChainedDiagnosticClient: Fix a bug where chained diagnostic clients wouldn't 
accurately track warning/error counts.

llvm-svn: 129088
 2011-04-07 18:24:12 +00:00
Rafael Espindola e4e4e37580 Expose more passes to the C API. 
llvm-svn: 129087
 2011-04-07 18:20:46 +00:00
Daniel Dunbar 6b58486466 Frontend: Sketch support for -diagnostic-log-file, which still doesn't do anything. 
llvm-svn: 129086
 2011-04-07 18:11:14 +00:00
Argyrios Kyrtzidis 2f8165b685 Enhance the Rewriter. 
-Allow removing a line completely if it ends up empty
-Provide more control on what should be removed.

llvm-svn: 129085
 2011-04-07 18:10:12 +00:00
Argyrios Kyrtzidis 3fd80c1f1a Add FullSourceLoc::BeforeThanCompare. a comparison function class, useful for sorting FullSourceLocs. 
llvm-svn: 129084
 2011-04-07 18:10:07 +00:00
Daniel Dunbar 529c03bc1e Driver: Sketch driver support for a CC_LOG_DIAGNOSTICS options, similar to the 
existing CC_PRINT_OPTIONS and CC_PRINT_HEADERS, which can be used to
transparently capture the compiler diagnostics from a build.

llvm-svn: 129082
 2011-04-07 18:01:20 +00:00
Jakob Stoklund Olesen 994c16833c Avoid moving iterators when the previous block was just visited. 
llvm-svn: 129081
 2011-04-07 17:27:50 +00:00
Jakob Stoklund Olesen 1c0db0fd21 Prefer multiplications to divisions. 
llvm-svn: 129080
 2011-04-07 17:27:48 +00:00
Jakob Stoklund Olesen 6d2bbc1c20 Extract SpillPlacement::addLinks for handling the special transparent blocks. 
llvm-svn: 129079
 2011-04-07 17:27:46 +00:00
Devang Patel 197c35298a While hoisting common code from if/else, hoist debug info intrinsics if they match. 
llvm-svn: 129078
 2011-04-07 17:27:36 +00:00
Tanya Lattner 266792a55a Prevent ARM DAG Combiner from doing an AND or OR combine on an illegal vector type (vectors of size 3). Also included test cases. 
llvm-svn: 129074
 2011-04-07 15:24:20 +00:00
Jay Foad 65bef04ea7 Fix a bit of nonsense. 
llvm-svn: 129073
 2011-04-07 12:41:09 +00:00
Ken Dyck bb4e977218 [Reapply r128776, modified so that it does not break debug info.] 
Change the return type of CodeGenVTables::getVirtualBaseOffsetOffset() to
CharUnits. No change in functionality intended.

llvm-svn: 129072
 2011-04-07 12:37:09 +00:00