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Author SHA1 Message Date
Arnold Schwaighofer
363f53f3ec Add indirect tail call (function pointer) examples. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56127 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 22:24:28 +00:00
Jim Grosbach
e5d20f947a udpate header comment: s/VP/VFP/ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56126 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 21:41:29 +00:00
Arnold Schwaighofer
1fdc40f062 When tailcallopt is enabled all fastcc calls must have an aligned argument stack size. Add a test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56119 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 20:28:43 +00:00
Evan Cheng
8db866808c Fix PR2748. Avoid coalescing physical register with virtual register which would create illegal extract_subreg. e.g. 
vr1024 = extract_subreg vr1025, 1
...
vr1024 = mov8rr AH
If vr1024 is coalesced with AH, the extract_subreg is now illegal since AH does not have a super-reg whose sub-register 1 is AH.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56118 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 20:07:10 +00:00
Owen Anderson
ac34a00fe0 Fix a bug in ANY_EXTEND handling that was breaking 403.gcc on X86-64 in fast isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56117 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 19:44:55 +00:00
Duncan Sands
af8bc26449 Fix comment typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56116 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 19:41:10 +00:00
Duncan Sands
892b84007c Intrinsics don't touch internal global variables 
(unless passed one via a parameter), even if they
are IntrWriteMem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56115 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 19:35:55 +00:00
Dan Gohman
bcb37fd22f Fix a copy+paste bug that Duncan spotted. For several 
cases it was still getting lucky and detecting overflow
but it was clearly incorrect.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56113 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 18:53:02 +00:00
Evan Cheng
4086906a0f Fix PR2783 - coalescer bug. Missing a TargetRegisterInfo::isVirtualRegister check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56112 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 18:40:32 +00:00
Evan Cheng
ffeecd65e3 Eliminate some unused methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56108 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 17:31:47 +00:00
Evan Cheng
84a8be3baf Indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56107 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 17:31:12 +00:00
Jim Grosbach
7c9a7728d9 lib/Target/SubtargetFeature.cpp asserts that the FeatureKV[] table be sorted 
by its first field, but TableGen doesn't actually enforce creating it that 
way. TableGen sorts the records that will be used to create it by the names 
of the records, not the Name field of those records.

This patch corrects the sort to use the "Name" field of the record as the 
sort key.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56106 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 17:05:32 +00:00
Duncan Sands
1abe60b9be Intrinsics don't read these kinds of global 
variables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56105 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 15:43:12 +00:00
Evan Cheng
dd595c5998 Change getSubReg semantics. It now returns zero if the specified register doesn't have a subreg of the specified index. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56099 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 06:25:25 +00:00
Evan Cheng
3885578a36 Fix a 80 column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56097 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 05:58:06 +00:00
Dale Johannesen
d18a462bdd The version of AtomicSDNode::AtomicSDNode used (only) for 
cmp-and-swap reversed the Cmp and Swap arguments; comments
make it clear this is unintentional.  Unfortunately, the
x86 BE had a compensating reversal, which is removed here.
PPC is OK.

From inspection of the Alpha code I think it is OK, but
if somebody has that platform please check it out.  I
cannot test on that platform.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56091 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 03:12:59 +00:00
Owen Anderson
b63691350d If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving up. This fixes 445.gobmk on 
X86-64 in fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56088 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 02:41:37 +00:00
Dale Johannesen
209a4099f9 Succumb utterly to compatibility and implement 
__sync_fetch_and_nand as ANDC, even though that's
not what nand means.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56087 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 02:15:03 +00:00
Evan Cheng
d9c553f262 Propagate subreg index when promoting a load to a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56085 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 01:02:12 +00:00
Dan Gohman
7f85fbd9de In my analysis for r56076 I missed the case where the original 
multiplication overflows.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56082 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-11 00:25:00 +00:00
Dan Gohman
1df3fd6683 Fix an icmp+sdiv optimization to check for and handle an overflow 
condition. This fixes PR2740.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56076 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 23:30:57 +00:00
Dan Gohman
8c9c55fb48 Add more documentation advertising the -view-*-dags options. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56073 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 22:23:41 +00:00
Dan Gohman
78efce6155 X86FastISel support for double->float and float->double casts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56070 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 21:02:08 +00:00
Dan Gohman
74321abb4f FastISel support for i1 PHI nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56069 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 21:01:31 +00:00
Dan Gohman
8211648757 FastISel support for i1 constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56068 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 21:01:08 +00:00
Owen Anderson
369e98760b Fix a bug in the coalescer where it didn't check if a live interval existed before trying to manipulate it. This 
was exposed by fast isel's handling of shifts on X86-64.  With this, FreeBench/pcompress2 passes on X86-64 in fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56067 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 20:41:13 +00:00
Dan Gohman
0586d91bb3 Add X86FastISel support for static allocas, and refences 
to static allocas. As part of this change, refactor the
address mode code for laods and stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56066 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 20:11:02 +00:00
Evan Cheng
014264b70f Fix PR2664 - spiller GetRegForReload wasn't respecting sub-register indices on machine operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56065 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 20:08:45 +00:00
Evan Cheng
b188dd9c5b Fix a fastcc + sret bug. If fastcc and sret, callee doesn't need to pop the hidden struct ptr; Re-enable fastcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 18:25:29 +00:00
Dale Johannesen
fb0e1323e2 Handle new intrinsics with vector arguments. 
Patch by Paul Redmond.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56059 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 17:31:40 +00:00
Dan Gohman
3ee25dca5b Add a break statement that I accidentally deleted when 
I shuffled the fast-isel command-line options around. This fixes
a bunch of fast-isel failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56057 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 15:52:34 +00:00
Devang Patel
36a5bf8fd8 fix white spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56056 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 14:49:55 +00:00
Duncan Sands
bf53c2952d Fix name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56055 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 13:22:10 +00:00
Duncan Sands
3ed7d37cbf Add trampoline support for the new FastCC calling 
convention (not related to recent Ada testsuite
failures).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56054 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 13:11:09 +00:00
Duncan Sands
06d77dd945 Turn off the new FastCC for the moment. It causes 
a slew of Ada testsuite failures on x86-32 linux.
Seems to be related to the use of float.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56053 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 13:09:24 +00:00
Bill Wendling
fc2508eb78 Remove unnecessary bit-wise AND from the limited precision work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56049 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 06:26:10 +00:00
Daniel Dunbar
c0c3b9a3d0 Fix 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56048 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 04:16:29 +00:00
Dan Gohman
cb89309399 Fix a warning about comparing signed and unsigned values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56040 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 01:09:32 +00:00
Evan Cheng
8ec3389aaf Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56037 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 00:30:50 +00:00
Bill Wendling
277fc24a7c Check that both operands are f32 before attempting to lower. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56036 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 00:24:59 +00:00
Bill Wendling
aeb5c7b353 Implement "visitPow". This is mainly used to see if we have a pow() call of this 
form:

          powf(10.0f, x);

If this is the case, and also we want limited precision floating-point
calculations, then lower to do the limited-precision stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56035 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-10 00:20:20 +00:00
Evan Cheng
9d24ac56e1 A few more places where FPOW is being ignored. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 23:35:53 +00:00
Dan Gohman
4344a5d0d7 Change -fast-isel-no-abort to -fast-isel-abort, which now defaults 
to being off by default. Also, add assertion checks to check that
the various fast-isel-related command-line options are only used
when -fast-isel itself is enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 23:05:00 +00:00
Evan Cheng
4b88702ac3 Legalizer was missing code that expand fpow to a libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 23:02:14 +00:00
Bill Wendling
e10c814c52 Adding 6-, 12-, and 18-bit limited-precision floating-point support for exp2 
function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:39:21 +00:00
Dale Johannesen
d2e51af035 Move the uglier parts of deciding not to emit a 
UsedDirective for some symbols in llvm.used into
Darwin-specific code.  I've decided LessPrivateGlobal
is potentially a useful abstraction and left it in
the target-independent area, with improved comment.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56024 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:29:13 +00:00
Bill Wendling
b4ec283049 Add support for 6-, 12-, and 18-bit limited precision calculations of exp for 
floating-point numbers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56023 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:13:54 +00:00
Dan Gohman
7258737a11 Fix a minor wording ambiguity in the Developer Policy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56022 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:13:09 +00:00
Dan Gohman
293d5f8bc0 Add a new option, -fast-isel-verbose, that can be used with 
-fast-isel-no-abort to get a dump of all unhandled instructions,
without an abort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 22:06:46 +00:00
Evan Cheng
3ef2d60e95 Clear preference when it no longer makes sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56019 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 21:44:23 +00:00