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007f9847c4
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21362 Commits

Author SHA1 Message Date
Duncan Sands
007f9847c4 Output sinl for a long double FSIN node, not sin. 
Likewise fix up a bunch of other libcalls.  While
there I remove NEG_F32 and NEG_F64 since they are
not used anywhere.  This fixes 9 Ada ACATS failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45833 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 10:28:30 +00:00
Evan Cheng
8480293f41 Only remat loads from immutable stack slots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45831 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 08:24:38 +00:00
Evan Cheng
a07cec9e24 Simplify some code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45830 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 08:22:10 +00:00
Chris Lattner
ba7e756c22 Start inferring side effect information more aggressively, and fix many bugs in the 
x86 backend where instructions were not marked maystore/mayload, and perf issues where
instructions were not marked neverHasSideEffects.  It would be really nice if we could
write patterns for copy instructions.

I have audited all the x86 instructions down to MOVDQAmr.  The flags on others and on
other targets are probably not right in all cases, but no clients currently use this
info that are enabled by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45829 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 07:59:24 +00:00
Chris Lattner
36fe6d2f80 rename X86InstrX86-64.td -> X86Instr64bit.td 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45826 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:50:42 +00:00
Chris Lattner
b8f217fa7e add SDNPSideEffect node property declaration 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45825 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:48:23 +00:00
Chris Lattner
dd41527a7d remove explicit sets of 'neverHasSideEffects' that can now be 
inferred from the instr patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45824 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:45:39 +00:00
Chris Lattner
9b37aaf04c get def use info more correct. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45821 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 05:12:37 +00:00
Chris Lattner
8947dd539e add SDNPMayLoad to the 'load' sdnode definition. This is enough to get all the x86 
instructions (with patterns) that load memory marked, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45818 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 04:44:32 +00:00
Chris Lattner
8794390406 verify that the frame index is immutable before remat'ing (still disabled) 
or being side-effect free.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45816 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 04:16:31 +00:00
Owen Anderson
c95f075c43 Don't use LiveVariables::VarInfo::DefInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45815 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 03:12:54 +00:00
Evan Cheng
e70bb59840 Mark byval parameter stack objects mutable for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45813 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 02:24:25 +00:00
Dale Johannesen
038129dd58 Emit unused EH frames for weak definitions on Darwin, 
because assembler/linker can't cope with weak absolutes.
PR 1880.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45811 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 02:03:30 +00:00
Owen Anderson
ddd060ffcf Get rid of all uses of LiveVariables::VarInfo::DefInst in favor of the equivalent API from 
MachineRegisterInfo.  Once all clients are switched over, the former will be going away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45805 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 01:36:43 +00:00
Owen Anderson
dc4d6558e4 Add more comments explaining the basics of how the decision of when to rename and when to insert 
copies is made.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45799 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:47:01 +00:00
Evan Cheng
27a446afaf Do not use the stack pointer directly, issue a copyfromreg instead. Otherwise we can end up with something like ADD32ri %esp, x which two-address pass won't like. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45798 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:37:26 +00:00
Owen Anderson
b199cbec2e Get rid of the isKillInst predicate. LiveVariables already provides this information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45797 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:33:11 +00:00
Chris Lattner
9c4428b217 Fix PR1845 and rdar://5676945. Generic vectors smaller 
than hardware supported type will be scalarized, so we
can infer their alignment from that info.

We now codegen pr1845 into:

_boolVectorSelect:
	lbz r2, 0(r3)
	stb r2, -16(r1)
	blr 



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45796 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:30:57 +00:00
Evan Cheng
dffbd837b8 Remove comments that do not correspond to anything after recent refactoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45792 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:09:10 +00:00
Owen Anderson
9c2efa8a8f Copies need to be inserted before the first terminator, not at the end of the block. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45791 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-10 00:01:41 +00:00
Evan Cheng
19107563af Special copy SUnit's do not have SDNode's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45787 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 23:01:55 +00:00
Owen Anderson
ec1213fbbb Clean up StrongPHIElimination a bit, and add some more comments to the internal structures. There's 
still more work to do on this front.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45783 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 22:40:54 +00:00
Duncan Sands
f52e32aab0 Fix compile failures with g++-4.3. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45781 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 19:42:09 +00:00
Owen Anderson
864e3a3762 StrongPHIElim: Now with even fewer trivial bugs! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45775 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 10:41:39 +00:00
Owen Anderson
719fef648d Fix an infinite recursion bug in InsertCopies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45774 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 10:32:30 +00:00
Owen Anderson
cb7d949a19 Fix some simple bugs. StrongPHIElimination now does not crash on 164.gzip. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45773 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 06:19:05 +00:00
Chris Lattner
269f0595d6 add a testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45768 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 00:37:18 +00:00
Chris Lattner
f61b63ec5b add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45766 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-09 00:17:57 +00:00
Chris Lattner
07649d9265 Make load->store deletion a bit smarter. This allows us to compile this: 
void test(long long *P) { *P ^= 1; }

into just:

_test:
	movl	4(%esp), %eax
	xorl	$1, (%eax)
	ret

instead of code like this:

_test:
	movl	4(%esp), %ecx
        xorl    $1, (%ecx)
	movl	4(%ecx), %edx
	movl	%edx, 4(%ecx)
	ret



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45762 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 23:08:06 +00:00
Owen Anderson
0c5714bb99 Rename registers that do not need copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45759 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 21:54:52 +00:00
Duncan Sands
e51775dc5e Use size_t to store Pos, avoid truncating value 
on 64-bit builds.  Analysis and original patch
by Török Edwin.  Code audit found another place
with the same problem, also fixed here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45746 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 10:06:15 +00:00
Chris Lattner
f9d9e45225 Implement PR1795, an instcombine hack for forming GEPs with integer pointer arithmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45745 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 07:23:51 +00:00
Chris Lattner
fe39edde27 Finally implement correct ordered comparisons for PPC, even though 
the code generated is not wonderful.  This turns a miscompilation into
a code quality bug (noted in the ppc readme).  This fixes PR642, which
is over 2 years old (!).  Nate, please review this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45742 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 06:46:30 +00:00
Owen Anderson
0d893b4038 Actually insert copies now! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45738 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 05:16:15 +00:00
Evan Cheng
b353459d68 Minor fix to enable x86-64 pic jit (still fails for other reasons). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45734 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 02:07:10 +00:00
Evan Cheng
b1a9aec515 Fix a x86-64 static codegen bug. This fixes a lot of x86-64 jit failures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45733 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 02:06:11 +00:00
Bill Wendling
750ec00436 Silence warning about loss of precision. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45731 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-08 00:52:29 +00:00
Evan Cheng
325474e065 Only mark instructions that load a single value without extension as isSimpleLoad = 1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45727 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:56:57 +00:00
Chris Lattner
f7c8db9ab5 add a new bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45726 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:16:55 +00:00
Evan Cheng
9b44944d3d Unbreak x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 23:08:23 +00:00
Chris Lattner
84a7c41251 add a note that is important for some fp apps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45723 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:59:58 +00:00
Chris Lattner
b3041948eb possible switch lowering improvement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45720 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:38:14 +00:00
Owen Anderson
0b4825c38b Oops, missed one. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45719 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:32:09 +00:00
Owen Anderson
9e549202a0 Make some predicates static. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45718 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 21:30:40 +00:00
Duncan Sands
6aae7a748e I doubt the address of the Error string was intended 
to be used for the force_interpreter parameter...
Spotted by gcc-4.2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45714 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 19:14:42 +00:00
Duncan Sands
9c5525f4fa Add missing newline at EOF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45712 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 19:13:36 +00:00
Duncan Sands
6c3470efdc Small cleanup for handling of type/parameter attribute 
incompatibility.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45704 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 17:16:06 +00:00
Duncan Sands
30d15751c8 Unbreak x86-32 darwin long double! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45703 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 16:36:38 +00:00
Duncan Sands
004a81dcc7 Fix long double support on x86-32 linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45701 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 13:44:22 +00:00
Gordon Henriksen
c45d98d966 Pruning includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45700 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-01-07 13:30:38 +00:00