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9578 Commits

Author SHA1 Message Date
Dale Johannesen
a068079e5f Needs this file too. 
llvm-svn: 63993
 2009-02-07 00:56:46 +00:00
Dale Johannesen
a259483aae Get rid of the last non-DebugLoc versions of getNode! 
Many targets build placeholder nodes for special operands, e.g.
GlobalBaseReg on X86 and PPC for the PIC base.  There's no
sensible way to associate debug info with these.  I've left
them built with getNode calls with explicit DebugLoc::getUnknownLoc operands. 
I'm not too happy about this but don't see a good improvement;
I considered adding a getPseudoOperand or something, but it
seems to me that'll just make it harder to read.

llvm-svn: 63992
 2009-02-07 00:55:49 +00:00
Dan Gohman
8437b9efa1 Refactor some repeated logic into a separate function. 
llvm-svn: 63989
 2009-02-07 00:43:41 +00:00
Dan Gohman
8aeae15ebd Make a comment a doxygen comment. 
llvm-svn: 63988
 2009-02-07 00:42:54 +00:00
Dale Johannesen
1580ab6b7f Remove more non-DebugLoc getNode variants. Use 
getCALLSEQ_{END,START} to permit passing no DebugLoc
there.  UNDEF doesn't logically have DebugLoc; add
getUNDEF to encapsulate this.

llvm-svn: 63978
 2009-02-06 23:05:02 +00:00
Dale Johannesen
c405486235 Remove more non-DebugLoc versions of getNode. 
llvm-svn: 63969
 2009-02-06 21:50:26 +00:00
Bill Wendling
2c7f47d1d4 Record debug location information in the Dwarf writer. 
A simple test program shows that debugging works. :-)

llvm-svn: 63968
 2009-02-06 21:45:08 +00:00
Dan Gohman
a2f300f26d Use .size and .type on ELF systems; this helps tools that map 
addresses to symbols.

llvm-svn: 63962
 2009-02-06 21:15:52 +00:00
Dale Johannesen
7099fa18a4 Eliminate remaining non-DebugLoc version of getTargetNode. 
llvm-svn: 63951
 2009-02-06 19:16:40 +00:00
Sanjiv Gupta
90fd43f44d Print globl directive for variables with external linkage (global variables). 
llvm-svn: 63943
 2009-02-06 18:24:59 +00:00
Evan Cheng
e00df1d39c Move getPointerRegClass from TargetInstrInfo to TargetRegisterInfo. 
llvm-svn: 63938
 2009-02-06 17:43:24 +00:00
Evan Cheng
381b2df5ff Add TargetInstrInfo::isSafeToMoveRegisterClassDefs. It returns true if it's safe to move an instruction which defines a value in the register class. Replace pre-splitting specific IgnoreRegisterClassBarriers with this new hook. 
llvm-svn: 63936
 2009-02-06 17:17:30 +00:00
Dale Johannesen
cda84103ff get rid of some non-DebugLoc getTargetNode variants. 
llvm-svn: 63909
 2009-02-06 02:08:06 +00:00
Dale Johannesen
e95c76b65e Get rid of one more non-DebugLoc getNode and 
its corresponding getTargetNode.  Lots of
caller changes.

llvm-svn: 63904
 2009-02-06 01:31:28 +00:00
Dale Johannesen
c96091a672 Remove a non-DebugLoc version of getNode. 
llvm-svn: 63889
 2009-02-05 22:07:54 +00:00
Evan Cheng
87def37f67 A few more isAsCheapAsAMove. 
llvm-svn: 63852
 2009-02-05 08:42:55 +00:00
Dale Johannesen
fa28929927 Reapply 63765. Patches for clang and llvm-gcc to follow. 
llvm-svn: 63812
 2009-02-05 01:49:45 +00:00
Dale Johannesen
c901d013fb Get rid of 3 non-DebugLoc getNode variants. 
llvm-svn: 63808
 2009-02-05 01:01:16 +00:00
Dale Johannesen
c2896f9310 Remove non-DebugLoc versions of getMergeValues, ZeroExtendInReg. 
llvm-svn: 63800
 2009-02-05 00:20:09 +00:00
Dale Johannesen
d27bc65e74 Remove non-DebugLoc forms of CopyToReg and CopyFromReg. 
Adjust callers.

llvm-svn: 63789
 2009-02-04 23:02:30 +00:00
Dale Johannesen
f6e1822ccd Reverting 63765. This broke the build of both clang 
and llvm-gcc.

llvm-svn: 63786
 2009-02-04 22:47:25 +00:00
Dale Johannesen
15a801f11d Remove non-DebugLoc versions of getLoad and getStore. 
Adjust the many callers of those versions.

llvm-svn: 63767
 2009-02-04 20:06:27 +00:00
Nate Begeman
66f10b55ed New feature: add support for target intrinsics being defined in the 
target directories themselves.  This also means that VMCore no longer
needs to know about every target's list of intrinsics.  Future work
will include converting the PowerPC target to this interface as an
example implementation.

llvm-svn: 63765
 2009-02-04 19:47:21 +00:00
Chris Lattner
feb6b56242 Bill implemented this. 
llvm-svn: 63752
 2009-02-04 19:09:07 +00:00
Chris Lattner
eae4653469 add a note, this is why we're faster at SciMark-MonteCarlo with 
SSE disabled.

llvm-svn: 63751
 2009-02-04 19:08:01 +00:00
Dan Gohman
1cd89d625c Minor code cleanups; no functionality change. 
llvm-svn: 63740
 2009-02-04 17:28:58 +00:00
Dale Johannesen
19fc835580 Remove non-DebugLoc forms of the exotic forms 
of Lod and Sto; patch uses.

llvm-svn: 63716
 2009-02-04 02:34:38 +00:00
Dale Johannesen
52d1d8d5a0 Remove some more non-DebugLoc versions of construction 
functions, with callers adjusted to fit.

llvm-svn: 63705
 2009-02-04 01:48:28 +00:00
Dale Johannesen
2c4af04551 Remove a few non-DebugLoc versions of node creation 
functions.

llvm-svn: 63703
 2009-02-04 01:17:06 +00:00
Mon P Wang
430525dc4f Fixes a case where we generate an incorrect mask for pshfhw in the presence 
of undefs and incorrectly determining if we have punpckldq.

llvm-svn: 63702
 2009-02-04 01:16:59 +00:00
Dale Johannesen
fa244d6e2d Patch up omissions in DebugLoc propagation. 
llvm-svn: 63693
 2009-02-04 00:33:20 +00:00
Dale Johannesen
f9b2746030 Need this file too. 
llvm-svn: 63674
 2009-02-03 22:26:34 +00:00
Dale Johannesen
b7f2857776 Add some DL propagation to places that didn't 
have it yet.  More coming.

llvm-svn: 63673
 2009-02-03 22:26:09 +00:00
Dale Johannesen
45009f127b DebugLoc propgation 
llvm-svn: 63664
 2009-02-03 21:48:12 +00:00
Dale Johannesen
358418bb3d DebugLoc propagation. done with file. 
llvm-svn: 63656
 2009-02-03 20:21:25 +00:00
Dale Johannesen
6c8c315519 DebugLoc propagation. 2/3 through file. 
llvm-svn: 63650
 2009-02-03 19:33:06 +00:00
Dan Gohman
7d19e6cd6d Tevert part of the x86 subtarget logic changes: when -march=x86-64 
is given, override the subtarget settings and enable 64-bit support.
This restores the earlier behavior, and fixes regressions on
Non-64-bit-capable x86-32 hosts.

This isn't necessarily the best approach, but the most obvious
alternative is to require -mcpu=x86-64 or -mattr=+64bit to be used
with -march=x86-64 when the host doesn't have 64-bit support. This
makes things little more consistent, but it's less convenient, and
it has the practical drawback of requiring lots of test changes, so
I opted for the above approach for now.

llvm-svn: 63642
 2009-02-03 18:53:21 +00:00
Bill Wendling
5b177df8e9 Create DebugLoc information in FastISel. Several temporary methods were 
created. Specifically, those BuildMIs which use
"DebugLoc::getUnknownLoc()". I'll remove them soon.

llvm-svn: 63584
 2009-02-03 00:55:04 +00:00
Dan Gohman
2170150035 Change Feature64Bit to not imply FeatureSSE2. All x86-64 hardware has 
SSE2, however it's possible to disable SSE2, and the subtarget support
code thinks that if 64-bit implies SSE2 and SSE2 is disabled then
64-bit should also be disabled. Instead, just mark all the 64-bit
subtargets as explicitly supporting SSE2.

Also, move the code that makes -march=x86-64 enable 64-bit support by
default to only apply when there is no explicit subtarget. If you
need to specify a subtarget and you want 64-bit code, you'll need to
select a subtarget that supports 64-bit code.

llvm-svn: 63575
 2009-02-03 00:04:43 +00:00
Torok Edwin
2bc41a36ba Only force SSE level if it is not correct. 
Add an assert to check HasX86_64 status.

llvm-svn: 63552
 2009-02-02 21:57:34 +00:00
Torok Edwin
c1017185a5 remove #if 0 code on Bill's request. 
llvm-svn: 63542
 2009-02-02 20:23:02 +00:00
Sanjiv Gupta
c47a19b23e Made the common case of default address space directive as non-virtual for performance reasons. Provide a single virtual interface for directives of all sizes in non-default address spaces. 
llvm-svn: 63521
 2009-02-02 16:53:06 +00:00
Evan Cheng
16c8f917fb ADD / SUB / SMUL / UMUL with overflow second result top bits must be zero. 
llvm-svn: 63509
 2009-02-02 09:15:04 +00:00
Evan Cheng
e8dfbb5884 Add comment. 
llvm-svn: 63506
 2009-02-02 08:19:07 +00:00
Evan Cheng
483bbd1643 Teach LowerBRCOND to recognize (xor (setcc x), 1). The xor inverts the condition. It's normally transformed by the dag combiner, unless the condition is set by a arithmetic op with overflow. 
llvm-svn: 63505
 2009-02-02 08:07:36 +00:00
Torok Edwin
b4c9a6097f Implement -mno-sse: if SSE is disabled on x86-64, don't store XMM on stack for 
var-args, and don't allow FP return values

llvm-svn: 63495
 2009-02-01 18:15:56 +00:00
Duncan Sands
cac6cf74f9 Fix PR3453 and probably a bunch of other potential 
crashes or wrong code with codegen of large integers:
eliminate the legacy getIntegerVTBitMask and
getIntegerVTSignBit methods, which returned their
value as a uint64_t, so couldn't handle huge types.

llvm-svn: 63494
 2009-02-01 18:06:53 +00:00
Dale Johannesen
39738b1ff8 Make LowerCallTo and LowerArguments take a DebugLoc 
argument.  Adjust all callers and overloaded versions.

llvm-svn: 63444
 2009-01-30 23:10:59 +00:00
Bill Wendling
67737da99b Get rid of the non-DebugLoc-ified getNOT() method. 
llvm-svn: 63442
 2009-01-30 23:03:19 +00:00
Sanjiv Gupta
11d082d56e Fixed the comment. No functionality change. 
llvm-svn: 63387
 2009-01-30 09:01:44 +00:00