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63561 Commits

Author SHA1 Message Date
Chris Lattner 3e3e63efe1 remove some code that is dead now that lea's are modeled with segment registers. 
llvm-svn: 111343
 2010-08-18 02:40:44 +00:00
Chris Lattner 6aabb66139 remove dead prototype. 
llvm-svn: 111342
 2010-08-18 02:37:06 +00:00
Bob Wilson fb7eaff759 Expand ZERO_EXTEND operations for NEON vector types. 
Testcase from Nick Lewycky.

llvm-svn: 111341
 2010-08-18 01:45:52 +00:00
Dan Gohman a610304ed9 Fix the "Finished Creating" messages for aliases to print the 
right name.

llvm-svn: 111340
 2010-08-18 01:35:53 +00:00
Dan Gohman 44790e7aa7 Revert r111321. This doesn't fix a problem. 
llvm-svn: 111339
 2010-08-18 01:34:52 +00:00
Chris Lattner b91c903f46 stomp some more undefined behavior, PR7775. 
llvm-svn: 111337
 2010-08-18 00:33:47 +00:00
Chris Lattner 816191bcad don't emit zero bit fields with Emit, fixing undefined behavior, 
PR7778

llvm-svn: 111336
 2010-08-18 00:29:18 +00:00
Chris Lattner 03e17f8387 Don't pass in a null pointer to std::string's ctor, an empty string 
ref should produce an empty std::string.  This fixes PR7879.

llvm-svn: 111332
 2010-08-18 00:11:25 +00:00
Chris Lattner 249b976ed2 fix a broken link 
llvm-svn: 111326
 2010-08-17 23:26:04 +00:00
Chris Lattner 7aa9eb16fd include config.h to get config params, hopefully unbreaking mingw builder. 
llvm-svn: 111325
 2010-08-17 23:22:10 +00:00
Chris Lattner ce3b2c3f77 Fix the rest of rdar://8318441 which happens when a raw_fd_ostream 
(e.g. errs()) fails in close() due to (e.g.) a broken pipe.  As
previously written, the had_error() flag would get set and then
the raw_ostream dtor would report a fatal error.  There is nothing
the client can do about this and we have no way to report the error,
so just eat it.

llvm-svn: 111321
 2010-08-17 23:11:56 +00:00
Chris Lattner 6217082dc3 report_fatal_error can't use errs(), because errs() can call 
into report_fatal_error.  Just blast the string to stderr with write(2)
and hope for the best!  Part of rdar://8318441

llvm-svn: 111320
 2010-08-17 23:03:53 +00:00
Eric Christopher 51edc7b7e1 Temporarily revert r110987 as it's causing some miscompares in 
vector heavy code.  I'll re-enable when we've tracked down the problem.

llvm-svn: 111318
 2010-08-17 22:55:27 +00:00
Dan Gohman ed2b005842 Tweak IVUsers' concept of "interesting" to exclude add recurrences 
where the step value is an induction variable from an outer loop, to
avoid trouble trying to re-expand such expressions. This effectively
hides such expressions from indvars and lsr, which prevents them
from getting into trouble.

llvm-svn: 111317
 2010-08-17 22:50:37 +00:00
Jim Grosbach 3cf08661f4 Add materialization of virtual base registers for frame indices allocated into 
the local block. Resolve references to those indices to a new base register.
For simplification and testing purposes, a new virtual base register is
allocated for each frame index being resolved. The result is truly horrible,
but correct, code that's good for exercising the new code paths.

Next up is adding thumb1 support, which should be very simple. Following that
will be adding base register re-use and implementing a reasonable ARM
heuristic for when a virtual base register should be generated at all.

llvm-svn: 111315
 2010-08-17 22:41:55 +00:00
Evan Cheng efdc74ea59 Add nounwind. 
llvm-svn: 111312
 2010-08-17 22:35:20 +00:00
Daniel Dunbar 09b0c78918 CrashRecovery: Clear the current context on the first crash, to avoid re-entering it if the cleanup code crashes. 
llvm-svn: 111309
 2010-08-17 22:32:39 +00:00
Daniel Dunbar b30266ed20 CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find the active context from anywhere. 
llvm-svn: 111308
 2010-08-17 22:32:37 +00:00
Daniel Dunbar ff329942cd CrashRecovery: Make CrashRecoveryContext static methods thread safe. 
llvm-svn: 111307
 2010-08-17 22:32:34 +00:00
Dale Johannesen 16f96445c3 Make fast scheduler handle asm clobbers correctly. 
PR 7882.  Follows suggestion by Amaury Pouly, thanks.

llvm-svn: 111306
 2010-08-17 22:17:24 +00:00
Anton Korobeynikov 88c09879c7 Revert part of one of the prev. patches - tailjmp will follow later. 
llvm-svn: 111291
 2010-08-17 21:08:28 +00:00
Anton Korobeynikov 231ab847ca More fixes for win64: 
- Do not clobber al during variadic calls, this is AMD64 ABI-only feature
  - Emit wincall64, where necessary
Patch by Cameron Esfahani!

llvm-svn: 111289
 2010-08-17 21:06:07 +00:00
Anton Korobeynikov cd78af6e3c Enable more win64 calls folding opportunities. 
Patch by Cameron Esfahani!

llvm-svn: 111288
 2010-08-17 21:06:01 +00:00
Anton Korobeynikov 14be4dff8e Add some win64 coff goodness. 
Patch by Cameron Esfahani!

llvm-svn: 111287
 2010-08-17 21:05:54 +00:00
Evan Cheng 16bfe5b0f5 PHI elimination shouldn't require machineloopinfo since it's used at -O0. Move the requirement to LiveIntervalAnalysis instead. Note this does not change the number of times machineloopinfo is computed. 
llvm-svn: 111285
 2010-08-17 21:00:37 +00:00
Evan Cheng e0db9d01d9 Machine CSE preserves CFG. Pass manager was freeing machineloopinfo after machine cse before. 
llvm-svn: 111281
 2010-08-17 20:57:42 +00:00
Jakob Stoklund Olesen e2cbaf6ed7 Don't call tablegen'ed Predicate_* functions in the ARM target. 
llvm-svn: 111277
 2010-08-17 20:39:04 +00:00
Jim Grosbach 1a58ce7646 silence warning 
llvm-svn: 111274
 2010-08-17 20:21:30 +00:00
Benjamin Kramer da7604f53d Remove dead code. Fixes a GCC warning. 
llvm-svn: 111271
 2010-08-17 19:45:05 +00:00
Anton Korobeynikov b356426046 This patch enables "make unittests" on enable-shared/mingw. 
Patch by Takumi Nakamura!

llvm-svn: 111270
 2010-08-17 19:34:40 +00:00
Anton Korobeynikov 51b8b1d36c This patch enables ENABLE_SHARED=1 to build DLL based LLVM toolchain on MingW & Cygwin. 
Patch by Takumi Nakamura!

llvm-svn: 111268
 2010-08-17 19:03:03 +00:00
Jim Grosbach 62800a990b 80 column cleanup. 
llvm-svn: 111266
 2010-08-17 18:39:16 +00:00
Benjamin Kramer 1afba421a9 Sketch i386 relocations handling, from Roman Divacky. 
Hello world builds & runs now on i386/ELF with -integrated-as.

llvm-svn: 111264
 2010-08-17 18:20:28 +00:00
Jakob Stoklund Olesen f02b4a686a Don't call Predicate_* methods directly from Sparc target. 
Modernize predicates a bit.

The Predicate_* methods are not used by TableGen any longer. They are only
emitted for the sake of legacy code.

llvm-svn: 111263
 2010-08-17 18:17:12 +00:00
Jim Grosbach c252ee2375 Add hook to examine an instruction referencing a frame index to determine 
whether to allocate a virtual frame base register to resolve the frame
index reference in it. Implement a simple version for ARM to aid debugging.

In LocalStackSlotAllocation, scan the function for frame index references
to local frame indices and ask the target whether to allocate virtual
frame base registers for any it encounters. Purely infrastructural for
debug output. Next step is to actually allocate base registers, then add
intelligent re-use of them.

rdar://8277890

llvm-svn: 111262
 2010-08-17 18:13:53 +00:00
Jim Grosbach 8995a1018c explicitly handle no-op cases for clarity. Fixes clang warning. 
llvm-svn: 111260
 2010-08-17 18:00:41 +00:00
Benjamin Kramer fd0541566b Use the correct entry size for relocation entries, from Roman Divacky. 
llvm-svn: 111259
 2010-08-17 17:56:13 +00:00
Evan Cheng 647c559172 Move the decision logic whether it's a good idea to split a critical edge to clients. Also fixed an erroneous check. An edge is only a back edge when the from and to blocks are in the same loop. 
llvm-svn: 111256
 2010-08-17 17:43:50 +00:00
Dan Gohman 5047ca0c02 When rotating loops, put the original header at the bottom of the 
loop, making the resulting loop significantly less ugly.  Also, zap
its trivial PHI nodes, since it's easy.

llvm-svn: 111255
 2010-08-17 17:39:21 +00:00
Jim Grosbach a927736604 remove trailing whitespace 
llvm-svn: 111254
 2010-08-17 17:37:22 +00:00
Benjamin Kramer 1fe76565d0 Differentiate between RELA and REL relocations, from Roman Divacky. 
llvm-svn: 111252
 2010-08-17 17:30:07 +00:00
Bob Wilson 942b10f511 Change ARM PKHTB and PKHBT instructions to use a shift_imm operand to avoid 
printing "lsl #0".  This fixes the remaining parts of pr7792.  Make
corresponding changes for encoding/decoding these instructions.

llvm-svn: 111251
 2010-08-17 17:23:19 +00:00
Evan Cheng a6848249ee Fix debug message. 
llvm-svn: 111250
 2010-08-17 17:15:14 +00:00
Chris Lattner 54a7be757b add some  's to a pre to avoid newlines being eaten 
and the formatting being thrown off.  I admit to not knowing
what is going on here.

llvm-svn: 111249
 2010-08-17 17:13:42 +00:00
Dan Gohman 941020ed72 Use the getUniquePredecessor() utility function, instead of doing 
what it does manually.

llvm-svn: 111248
 2010-08-17 17:07:02 +00:00
Benjamin Kramer 896bd7e932 One baby step towards i386 ELF, from Roman Divacky. 
llvm-svn: 111247
 2010-08-17 17:02:29 +00:00
Chris Lattner 72a364c107 fix emacs language spec's, patch by Edmund Grimley-Evans! 
llvm-svn: 111241
 2010-08-17 16:20:04 +00:00
Nick Lewycky 83a09f0b4f When creating a JIT, try to load the program so that we can resolve symbols 
against it. This affects Windows.

llvm-svn: 111240
 2010-08-17 16:19:18 +00:00
Benjamin Kramer 81c7c50ca8 Revert r111230, we have to find a better place for the host-specific code. 
llvm-svn: 111232
 2010-08-17 15:50:23 +00:00
Chris Lattner 2c76ae54e5 Fix failure of unittests/ExecutionEngine/JIT/MultiJITTest.cpp on 
cygwin when built with ENABLE_SHARED=1.  Patch by NAKAMURA Takumi!

llvm-svn: 111231
 2010-08-17 15:42:43 +00:00