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86717 Commits

Author SHA1 Message Date
Lang Hames 254bb971e0 Added a support for inserting new MBBs into the numbering. 
Unlike insertMachineInstrInMaps this does not guarantee live intervals will
remain correct. The caller will need to manually update intervals to account
for the changes made to the CFG.

llvm-svn: 107958
 2010-07-09 09:19:23 +00:00
Jakob Stoklund Olesen d4d9e53b20 Avoid creating %physreg:subidx operands in SimpleRegisterCoalescing::RemoveCopyByCommutingDef. 
This fixes PR7602.

llvm-svn: 107957
 2010-07-09 05:56:21 +00:00
John Thompson ab71ead011 Revert 107953, remove comma ignoring from PPC constraints. 
llvm-svn: 107956
 2010-07-09 04:53:08 +00:00
Jakob Stoklund Olesen cac54d6435 Deal with a few remaining spots that assume physical registers have live intervals. 
This fixes PR7601.

llvm-svn: 107955
 2010-07-09 04:35:38 +00:00
John Thompson 7099f0c0d5 Updating PPC target to ignore commas in asm contrains, as apparently that is what gcc does. 
llvm-svn: 107953
 2010-07-09 02:01:40 +00:00
Bruno Cardoso Lopes 992d25da71 Merge VEX enums with other x86 enum forms. Also fix all checks of which VEX 
fields to use. 

llvm-svn: 107952
 2010-07-09 01:56:45 +00:00
Jakob Stoklund Olesen a57965827f Fix test to be less sensitive of regalloc accidents 
llvm-svn: 107951
 2010-07-09 01:32:11 +00:00
Jakob Stoklund Olesen 66b3649030 Fix broken isCopy handling in TrimLiveIntervalToLastUse. 
llvm-svn: 107950
 2010-07-09 01:27:21 +00:00
Jakob Stoklund Olesen 5165fa1c39 Handle COPY in VirtRegRewriter. 
llvm-svn: 107949
 2010-07-09 01:27:19 +00:00
Dan Gohman 0a7d155d67 Fix the memoperand offsets in code generated for va_start. 
llvm-svn: 107948
 2010-07-09 01:06:48 +00:00
Dan Gohman cc40c76382 These changes should have accompanied r107943. 
llvm-svn: 107947
 2010-07-09 00:59:16 +00:00
Chris Lattner 88c185617c have the mc lowering process handle a few tail call forms, lowering them to 
jumps where possible and turning the TAILCALL marker in the instruction
asm string into a proper comment.

This eliminates a FIXME and is on the path to finishing:
rdar://7639610 - eliminate encoding and asm info for TAILJMPd TAILJMPr TAILJMPn, etc.

However, I can't eliminate the encodings for these instructions because the JIT
still exists and has its own copy of the encoder, sigh.

llvm-svn: 107946
 2010-07-09 00:49:41 +00:00
Bob Wilson 88a4e6dc0e Print "dregpair" NEON operands with a space between them, for readability and 
consistency with other instructions that have lists of register operands.

llvm-svn: 107944
 2010-07-09 00:47:20 +00:00
Dan Gohman 0b5aa1cdd3 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting 
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

llvm-svn: 107943
 2010-07-09 00:39:23 +00:00
Bruno Cardoso Lopes e6cc0d33bb Factor out x86 segment override prefix encoding, and also use it for VEX 
llvm-svn: 107942
 2010-07-09 00:38:14 +00:00
Bob Wilson 21eed476e8 Reenable DAG combining for vector shuffles. It looks like it was temporarily 
disabled and then never turned back on again.  Adjust some tests, one because
this change avoids an unnecessary instruction, and the other to make it
continue testing what it was intended to test.

llvm-svn: 107941
 2010-07-09 00:38:12 +00:00
Chris Lattner 061d70ad2c reject pseudo instructions early in the encoder. 
llvm-svn: 107939
 2010-07-09 00:17:50 +00:00
Howard Hinnant 87ec03a2ea weekly update to by-chapter-summary, plus left and right anchor support in basic posix. 
llvm-svn: 107938
 2010-07-09 00:15:26 +00:00
Bruno Cardoso Lopes b652c1a145 Remove trailing whitespaces from file 
llvm-svn: 107937
 2010-07-09 00:07:19 +00:00
Sebastian Redl f4b0c4b946 Add a frontend option -chained-pch and don't pass an active PCH reader to the PCH writer if it is not set, preventing creation of chained PCH files. Since the reader is so far unused, effectively no functionality change. 
llvm-svn: 107936
 2010-07-09 00:00:58 +00:00
Jordy Rose d5d2e50f3e Cleanup in CStringChecker. Now properly bifurcates the state for zero/nonzero sizes. 
llvm-svn: 107935
 2010-07-08 23:57:29 +00:00
Chris Lattner f469307c77 Change LEA to have 5 operands for its memory operand, just 
like all other instructions, even though a segment is not
allowed.  This resolves a bunch of gross hacks in the 
encoder and makes LEA more consistent with the rest of the
instruction set.

No functionality change.

llvm-svn: 107934
 2010-07-08 23:46:44 +00:00
Douglas Gregor 4587969555 Support code completion for parameter names in Objective-C method 
declarations.

llvm-svn: 107933
 2010-07-08 23:37:41 +00:00
Stuart Hastings d08fb75aaa Reverting r107918 and r107919. Radar 8063111. 
llvm-svn: 107930
 2010-07-08 23:25:39 +00:00
Douglas Gregor 95887f9c5b Introduce a new code-completion point prior to an identifier in the 
selector of an Objective-C method declaration, e.g., given

  - (int)first:(int)x second:(int)y;

this code completion point triggers at the location of "second". It
will provide completions that fill out the method declaration for any
known method, anywhere in the translation unit.

llvm-svn: 107929
 2010-07-08 23:20:03 +00:00
Sebastian Redl caef9ab03c When looking for an entity's Scope, don't consider scopes that can't contain declarations. Fixes PR7594. 
llvm-svn: 107927
 2010-07-08 23:07:34 +00:00
Jakob Stoklund Olesen 823e90e12a Revert "Fix broken isCopy handling in TrimLiveIntervalToLastUse" 
This reverts commit 107921. It broke the clang self host.

llvm-svn: 107926
 2010-07-08 22:52:47 +00:00
Chris Lattner ec536276f0 add some long-overdue enums to refer to the parts of the 5-operand 
X86 memory operand.

llvm-svn: 107925
 2010-07-08 22:41:28 +00:00
Devang Patel 4c6bd6612f Relax assertion. In optimized code, it is possible that first instruction is coming from a inlined function. 
This fixes PR7596 .

llvm-svn: 107923
 2010-07-08 22:39:20 +00:00
Bill Wendling a992445ff2 Extension of r107506. Make sure that we don't mark a function as having a call 
if the inline ASM doesn't need a stack frame.

llvm-svn: 107922
 2010-07-08 22:38:02 +00:00
Jakob Stoklund Olesen 75c465585a Fix broken isCopy handling in TrimLiveIntervalToLastUse 
llvm-svn: 107921
 2010-07-08 22:30:38 +00:00
Jakob Stoklund Olesen ec58a43d81 Remember the VR64 register class 
llvm-svn: 107920
 2010-07-08 22:30:35 +00:00
Stuart Hastings 43d226deea Fix decl/def debug info for template functions. Radar 8063111. 
llvm-svn: 107919
 2010-07-08 22:28:59 +00:00
Chris Lattner 9f034c1e5d Rework segment prefix emission code to handle segments 
in memory operands at the same type as hard coded segments.
This fixes problems where we'd emit the segment override after
the REX prefix on instructions like:
mov %gs:(%rdi), %rax

This fixes rdar://8127102.  I have several cleanup patches coming
next.

llvm-svn: 107917
 2010-07-08 22:28:12 +00:00
Chris Lattner 1dd82c7dc2 introduce a new X86II::getMemoryOperandNo method, which 
returns the start of the memory operand for an instruction.

Introduce a new "X86AddrSegment" enum to reduce # magic numbers
referring to X86 memory operand layout.

llvm-svn: 107916
 2010-07-08 22:27:06 +00:00
Sebastian Redl 595c51342c Some preparatory work for chained PCH. No functionality change. 
llvm-svn: 107915
 2010-07-08 22:01:51 +00:00
Johnny Chen 364b0e72d1 Add a test case (incomplete) to check that settings and readings of program 
variabes work.

llvm-svn: 107914
 2010-07-08 21:38:07 +00:00
Kalle Raiskila d799ea52cd Switch SPU calling convention (function arguments) 
to a Tablegen implementation.

llvm-svn: 107913
 2010-07-08 21:15:22 +00:00
Zhanyong Wan 9870460c84 Makes RecursiveASTVisitor traverse the type of a temporary object 
created via T() where T is a class type.  Reviewed by chandlerc and
csilvers.

llvm-svn: 107911
 2010-07-08 21:01:29 +00:00
Douglas Gregor 55b037b9f3 During code completion, give the "nil" and "NULL" macros the same 
priority as other constants. And, if we're in a place where we prefer
a pointer type, consider "nil" and "NULL" to be close matches.

llvm-svn: 107910
 2010-07-08 20:55:51 +00:00
Stuart Hastings aa246f5687 Test case for r107843. Radar 8152866. 
llvm-svn: 107907
 2010-07-08 20:31:05 +00:00
Kevin Enderby ea9207cd7a Revert some unneeded parts of the change in r107886 for the 
.weak_def_can_be_hidden directive.  Chris pointed out that the MCAsmInfo.h/.cpp
chunks aren't needed for this until the compiler starts generating these.  And
when that happens it will be more convenient for it to be a bool than a const
char*.

llvm-svn: 107906
 2010-07-08 20:30:44 +00:00
Douglas Gregor eaff2cbbab Allow C-style casts and reinterpret_casts between block pointers and 
either integer values or other pointers. Fixes <rdar://problem/8134521>.

llvm-svn: 107905
 2010-07-08 20:27:32 +00:00
Evan Cheng 0f54854a1d Check for FiniteOnlyFPMath as well. 
llvm-svn: 107904
 2010-07-08 20:12:24 +00:00
Devang Patel 9c160e1213 Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form. 
llvm-svn: 107903
 2010-07-08 20:10:35 +00:00
Eli Friedman 07c89c6b3e PR7588: Fix the _mm_shufflehi_epi16 macro. (The issue was an oversight 
involving operator precedence.)

llvm-svn: 107902
 2010-07-08 20:09:45 +00:00
Devang Patel 8f3f76f991 Handle forward declarations properly in debug info. 
Patch by Alexander Kabaev.
PR 7595.

llvm-svn: 107900
 2010-07-08 19:56:29 +00:00
Jakob Stoklund Olesen 63a622b768 Teach the x86 floating point stackifier to handle COPY instructions. 
This pass runs before COPY instructions are passed to copyPhysReg, so we simply
translate COPY to the proper pseudo instruction. Note that copyPhysReg does not
handle floating point stack copies.

Once COPY is used everywhere, this can be cleaned up a bit, and most of the
pseudo instructions can be removed.

llvm-svn: 107899
 2010-07-08 19:46:30 +00:00
Jakob Stoklund Olesen 930f8082c3 Implement X86InstrInfo::copyPhysReg 
llvm-svn: 107898
 2010-07-08 19:46:25 +00:00
Ted Kremenek 3245003251 Add missing whitespace. 
llvm-svn: 107897
 2010-07-08 19:43:08 +00:00