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Author SHA1 Message Date
Nick Lewycky
afaae7957e Don't crash on critical edge. Patch by Andre Tavares. 
llvm-svn: 79252
 2009-08-17 17:00:57 +00:00
Jim Grosbach
4643e96d36 Move the sjlj exception handling conversions to a back-end pass where they 
more properly belong. This allows removing the front-end conditionalized
SJLJ code, and cleans up the generated IR considerably. All of the
infrastructure code (calling _Unwind_SjLj_Register/Unregister, etc) is
added by the SjLjEHPrepare pass.

llvm-svn: 79250
 2009-08-17 16:41:22 +00:00
Richard Osborne
358842178f Update getSectionForConstant() to to allow mergable sections to be nulled out 
if not supported by the ELF subtarget.

llvm-svn: 79249
 2009-08-17 16:37:11 +00:00
David Goodwin
d65007a4a3 Extend the instruction itinerary model to include the ability to indicate the def and use cycle for each operand. This additional information is optional, so existing itineraries do not need to be changed. 
llvm-svn: 79247
 2009-08-17 16:02:57 +00:00
Chris Lattner
0ed3ef52af the MinPad argument to PadToColumn only really makes sense to be 1, 
just remove the argument and replace it with 1.

llvm-svn: 79246
 2009-08-17 15:48:08 +00:00
Misha Brukman
399ebe7f48 Fixed indentation and spelling. 
llvm-svn: 79245
 2009-08-17 15:31:24 +00:00
Dan Gohman
7c8c5606ce Fix more missing newlines. 
llvm-svn: 79244
 2009-08-17 15:29:31 +00:00
Dan Gohman
1749b4bb8a Fix printing of instructions with null operands. 
llvm-svn: 79243
 2009-08-17 15:28:08 +00:00
Dan Gohman
6c4c30550e Always print at least one space before adding a comment. 
llvm-svn: 79242
 2009-08-17 15:27:30 +00:00
Dan Gohman
e8847ebe10 Fix debug output to include a newline after printing a Value, now 
that Value's operator<< doesn't include one.

llvm-svn: 79240
 2009-08-17 15:25:05 +00:00
Duncan Sands
d0eda03882 Don't access the first element of a potentially empty 
vector (&Formals[0]).  With this change llvm-gcc builds
with expensive checking enabled for C, C++ and Fortran.
While there, change a std::vector into a SmallVector.
This is partly gratuitous, but mostly because not all
STL vector implementations define the data method (and
it should be faster).

llvm-svn: 79237
 2009-08-17 14:33:27 +00:00
Duncan Sands
74742455b1 XFAIL this test since the fix was reverted. 
llvm-svn: 79235
 2009-08-17 12:20:45 +00:00
Nick Lewycky
3e2d98a039 Add a test that shows that SSI is working correctly. 
llvm-svn: 79230
 2009-08-17 07:32:08 +00:00
Chris Lattner
fc68e5368b change AsmPrinter to switch sections using AsmStreamer instead of 
doing it directly.  This requires const'izing a bunch of stuff that
took sections, but this seems like the right semantic thing to do:
emitting a label to a section shouldn't mutate the MCSection object
itself, for example.

llvm-svn: 79227
 2009-08-17 05:49:08 +00:00
Nick Lewycky
e791519ea3 Don't crash trying to promote VLAs. 
llvm-svn: 79226
 2009-08-17 05:37:31 +00:00
Oscar Fuentes
77f96a4e2e CMake: Updated library dependencies. 
llvm-svn: 79223
 2009-08-17 04:23:50 +00:00
Chris Lattner
69a19050c0 give MCAsmStreamer a TargetAsmInfo. 
llvm-svn: 79222
 2009-08-17 04:23:44 +00:00
Chris Lattner
a1acc7cab5 formatting cleanups, no functionality change. 
llvm-svn: 79221
 2009-08-17 04:17:34 +00:00
Oscar Fuentes
58ce88fded Make a declaration consistent with its definition. 
llvm-svn: 79220
 2009-08-17 04:10:20 +00:00
Oscar Fuentes
6c2a9c40d7 CMake: LLVMConfig assigns LLVMX86 to the `native' component 
name. Updated LLVM_LINK_COMPONENTS of Kaleidoscope.

llvm-svn: 79219
 2009-08-17 01:41:46 +00:00
Erick Tryzelaar
3ca0a7b0e4 Wrap unit test death tests in GTEST_HAS_DEATH_TEST 
llvm-svn: 79218
 2009-08-17 00:55:33 +00:00
Erick Tryzelaar
9e37eae4d7 Change APFloatTest from using ASSERTs to EXPECTs 
llvm-svn: 79216
 2009-08-17 00:14:11 +00:00
Erick Tryzelaar
5c0946f3a2 Expose creating constant ints and floats from strings to ocaml. 
llvm-svn: 79214
 2009-08-16 23:37:03 +00:00
Erick Tryzelaar
f9173af0b5 Expose creating constant ints and floats from strings in llvm-c. 
llvm-svn: 79213
 2009-08-16 23:36:46 +00:00
Erick Tryzelaar
d7980d95e8 Add helper functions to ConstantInt and ConstantFP to accept strings. 
llvm-svn: 79212
 2009-08-16 23:36:33 +00:00
Erick Tryzelaar
930c879b9e Modify APFloat to take a StringRef instead of a c string. 
This also adds unit tests to APFloat that mainly tests the
string handling of APFloat, but not much else of it's api.

llvm-svn: 79210
 2009-08-16 23:36:19 +00:00
Erick Tryzelaar
36d9dbb8a1 Add failure tests to APInt unit test. 
llvm-svn: 79209
 2009-08-16 23:36:01 +00:00
Dan Gohman
a7f21f1767 Add a getOffsetOf, for building a target-independent expression for 
offsetof, similar to getSizeOf for sizeof.

llvm-svn: 79208
 2009-08-16 21:26:11 +00:00
Dan Gohman
8a92a2475c Avoid emitting XMM save code in soft-float or no-implicit-float mode 
or some other situation where no xmm registers need to be saved.

llvm-svn: 79207
 2009-08-16 21:24:25 +00:00
Dan Gohman
a5e2aaee6d Delete an unused field. 
llvm-svn: 79206
 2009-08-16 21:19:53 +00:00
Oscar Fuentes
5c90c2282e CMake: Removed traces of obsolete variable LLVM_PLO_FLAGS. 
llvm-svn: 79204
 2009-08-16 21:01:16 +00:00
Oscar Fuentes
3ccb434b2f CMake: New option LLVM_BUILD_TOOLS. Renamed LLVM_EXAMPLES to 
LLVM_BUILD_EXAMPLES and set default to true. Documented.

llvm-svn: 79203
 2009-08-16 20:56:30 +00:00
Oscar Fuentes
3682d10c41 CMake: Discriminate MINGW, MSYS, CYGWIN: does not try to build llvm-config under mingw without msys. 
llvm-svn: 79202
 2009-08-16 20:50:41 +00:00
Jakob Stoklund Olesen
baae88d65a Replace RegScavenger::DistanceMap with a simpler local algorithm. 
llvm-svn: 79195
 2009-08-16 17:41:39 +00:00
Jakob Stoklund Olesen
0b361622ff Clean up the public interface of RegScavenger. 
Remove unused methods and make others private.

llvm-svn: 79194
 2009-08-16 17:41:20 +00:00
Jakob Stoklund Olesen
fcfe355efd Be more clever about regclasses in ScheduleDAGSDNodes::EmitCopyFromReg. 
If two uses of a CopyFromReg want different regclasses, first try a common
sub-class, then fall back on the copy emitted in AddRegisterOperand. There is
no need for an assert here. The cross-class joiner usually cleans up nicely.

llvm-svn: 79193
 2009-08-16 17:40:59 +00:00
Benjamin Kramer
a8760e3e5a Fix use after free in Thumb2SizeReduction (PR4707). A MachineInstr was used after erasure. 
llvm-svn: 79189
 2009-08-16 11:56:42 +00:00
Bill Wendling
ee380b1dd2 Styalistic and format changes. No functionality change. 
llvm-svn: 79187
 2009-08-16 11:00:26 +00:00
Benjamin Kramer
ebcc5c8765 Fix the MSVC build again. 
llvm-svn: 79186
 2009-08-16 09:44:27 +00:00
Oscar Fuentes
3e0998e270 CMake: Hopefully this will fix the build on VS. I can't replicate the 
failure with VS 9.0, nmake and cmake 2.6.4. The buildbot output does
not show the patch level of cmake, it just says 2.6.

Sadly, parallel builds are broken due to recent changes on LLVM Target
libraries and its auxiliaries (TargetInfo, AsmPrinter, AsmParser). I
have a patch for stablishing the correct dependencies, but cmake is
buggy and generates makefiles that can't handle them.

llvm-svn: 79180
 2009-08-16 07:44:02 +00:00
Oscar Fuentes
5608fb2893 CMake: Revert r79144. It reverted a change necessary for correct 
parallel builds.

llvm-svn: 79177
 2009-08-16 05:16:43 +00:00
Chris Lattner
76b09f600c add support for external symbols + X86::MOVPC32r. 
llvm-svn: 79175
 2009-08-16 04:28:14 +00:00
Eli Friedman
ca19f19760 Fix for PR3016: detect the tricky case, where there are 
unfoldable references to a PHI node in the block being folded, and disable
the transformation in that case.  The correct transformation of such PHI
nodes depends on whether BB dominates Succ, and dominance is expensive 
to compute here.  (Alternatively, it's possible to check whether any 
uses are live, but that's also essentially a dominance calculation. 
Another alternative is to use reg2mem, but it probably isn't a good idea to
use that in simplifycfg.)

Also, remove some incorrect code from CanPropagatePredecessorsForPHIs 
which is made unnecessary with this patch: it didn't consider the case 
where a PHI node in BB has multiple uses.

llvm-svn: 79174
 2009-08-16 04:23:49 +00:00
Chris Lattner
ca89ccb1dd implement support for lowering references to global addresses. For example, we now 
can asmprint:

NEW: 	movl	"L___stack_chk_guard$non_lazy_ptr", %eax
OLD: 	movl	L___stack_chk_guard$non_lazy_ptr, %eax

where 'new' is coming out of the MCInst version of the printer.

llvm-svn: 79170
 2009-08-16 03:12:25 +00:00
Chris Lattner
af83ac2ba5 more formatting improvements, no functionality change. 
llvm-svn: 79167
 2009-08-16 02:45:18 +00:00
Chris Lattner
9a017d13c8 code formatting improvements, no functionality change. 
llvm-svn: 79165
 2009-08-16 02:36:40 +00:00
Chris Lattner
b2791c888d when emitting errors about CHECK-NEXT directives, show the line that the 
CHECK-NEXT is on.

llvm-svn: 79164
 2009-08-16 02:22:31 +00:00
Erick Tryzelaar
175dd821cc Add an llvm-c function that lets you insert an instruction with a name. 
llvm-svn: 79163
 2009-08-16 02:20:57 +00:00
Erick Tryzelaar
ed8dffc10b Expose most of the Constant creation functions to ocaml. 
llvm-svn: 79162
 2009-08-16 02:20:37 +00:00
Erick Tryzelaar
57dcc1e1a3 Expose most of the IRBuilder functionality to ocaml. 
llvm-svn: 79161
 2009-08-16 02:20:24 +00:00