Jakob Stoklund Olesen [Mon, 17 May 2010 03:26:09 +0000 (03:26 +0000)]
Eliminate a hash table probe when killing virtual registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103934
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Jakob Stoklund Olesen [Mon, 17 May 2010 03:26:06 +0000 (03:26 +0000)]
Execute virtreg kills immediately instead of after processing all uses.
This is safe to do because the physreg has been marked UsedInInstr and the kill flag will be set on the last operand using the virtreg if there are more then one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103933
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:49:21 +0000 (02:49 +0000)]
Sprinkle superregister <imp-def> and <imp-kill> operands when dealing with subregister indices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103931
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:49:18 +0000 (02:49 +0000)]
Now that we don't keep live registers across calls, there is not reason to go
through the very long list of call-clobbered registers. We just assume all
registers are clobbered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103930
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:49:15 +0000 (02:49 +0000)]
Boldly attempt consistent capitalization. Functional changes unintended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103929
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Eric Christopher [Mon, 17 May 2010 02:13:02 +0000 (02:13 +0000)]
Assume that we'll handle mangling the symbols earlier and just put the
symbol to the file as we have it. Simplifies out tbss handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103928
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:07:32 +0000 (02:07 +0000)]
Spill and kill all virtual registers across a call.
Debug code doesn't use callee saved registers anyway, and the code is simpler this way. Now spillVirtReg always kills, and the isKill parameter is not needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103927
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:07:29 +0000 (02:07 +0000)]
Reduce hashtable probes by using DenseMap::insert() for lookup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103926
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Jakob Stoklund Olesen [Mon, 17 May 2010 02:07:22 +0000 (02:07 +0000)]
Make MBB a class member instead of passing it around everywhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103925
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Evan Cheng [Mon, 17 May 2010 01:47:47 +0000 (01:47 +0000)]
Yes, if the redef is a copy, update the old val# with the copy. But make sure to clear the copy field if the redef is not a copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103922
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Evan Cheng [Mon, 17 May 2010 01:11:46 +0000 (01:11 +0000)]
No reason not to run the NEON domain croassing fix up pass in thumb2 mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103917
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Dale Johannesen [Sun, 16 May 2010 20:19:40 +0000 (20:19 +0000)]
Removing as part of previous reversion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103915
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Dale Johannesen [Sun, 16 May 2010 20:19:04 +0000 (20:19 +0000)]
Revert 103911; it broke a test that expects bitconvert
<1xi64> -> i64 to work in MMX registers on hosts where -no-sse
is the default (not mine). The right thing is
to accept this and make i64->f64 conversions go through memory,
but I don't have time right now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103914
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Dale Johannesen [Sun, 16 May 2010 18:22:38 +0000 (18:22 +0000)]
Make x86-64 64-bit bitconvert work when SSE is not available.
(This worked as of about 6 months ago and I didn't track down
exactly what broke it; I think this fix is appropriate.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103911
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Anton Korobeynikov [Sun, 16 May 2010 09:15:36 +0000 (09:15 +0000)]
Chris said that the comment char should be escaped. Fix all the occurences of "@" in *.td
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103903
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Anton Korobeynikov [Sun, 16 May 2010 09:08:45 +0000 (09:08 +0000)]
Add support for thiscall calling convention.
Patch by Charles Davis and Steven Watanabe!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103902
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Anton Korobeynikov [Sun, 16 May 2010 08:54:20 +0000 (08:54 +0000)]
Generalize the ARM DAG combiner of mul with constants to all power-of-two cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103901
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Evan Cheng [Sun, 16 May 2010 03:27:48 +0000 (03:27 +0000)]
Model vst lane instructions with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103898
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Rafael Espindola [Sun, 16 May 2010 03:13:23 +0000 (03:13 +0000)]
Avoid renaming loadable modules at install time. Now the gold plugin is named
LLVMgold.so both in both the build and install directories.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103897
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Rafael Espindola [Sun, 16 May 2010 03:05:14 +0000 (03:05 +0000)]
Use $ORIGIN in the rpath of libraries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103896
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Dale Johannesen [Sat, 15 May 2010 18:51:12 +0000 (18:51 +0000)]
Fix uint64->{float, double} conversion to do rounding correctly in 32-bit.
The implementation in LegalizeIntegerTypes to handle this as
sint64->float + appropriate power of 2 is subject to double rounding,
considered incorrect by numerics people. Use this implementation only
when it is safe. This leads to using library calls in some cases
that produced inline code before, but it's correct now.
(EVTToAPFloatSemantics belongs somewhere else, any suggestions?)
Add a correctly rounding (though not particularly fast) conversion
that uses X87 80-bit computations for x86-32.
7885399,
5901940. This shows up in gcc.c-torture/execute/ieee/rbug.c
in the gcc testsuite on some platforms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103883
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Dale Johannesen [Sat, 15 May 2010 18:38:02 +0000 (18:38 +0000)]
Improve assertion messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103882
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Anton Korobeynikov [Sat, 15 May 2010 18:16:59 +0000 (18:16 +0000)]
Some cheap DAG combine goodness for multiplication with a particular constant.
This can be extended later on to handle more "complex" constants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103881
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Anton Korobeynikov [Sat, 15 May 2010 17:19:20 +0000 (17:19 +0000)]
"trap" pseudo-op turned out to be apple-local.
Temporary emit it as raw bytes until it will be added to binutils as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103878
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Chris Lattner [Sat, 15 May 2010 17:11:55 +0000 (17:11 +0000)]
improve portability to systems that don't have round, patch by
Evzen Muller!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103877
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Chris Lattner [Sat, 15 May 2010 17:10:24 +0000 (17:10 +0000)]
improve portability to systems that don't have powf/modf (e.g. solaris 9)
patch by Evzen Muller!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103876
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Chandler Carruth [Sat, 15 May 2010 10:23:23 +0000 (10:23 +0000)]
Fix an GCC warning that seems to have actually caught a bug (!!!) in
a condition's grouping. Every other use of Allocatable.test(Hint) groups it the
same way as it is indented, so move the parentheses to agree with that
grouping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103869
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Evan Cheng [Sat, 15 May 2010 07:53:37 +0000 (07:53 +0000)]
Model 128-bit vld lane with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103868
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Jakob Stoklund Olesen [Sat, 15 May 2010 06:09:08 +0000 (06:09 +0000)]
Calculate liveness on the fly for local registers.
When working top-down in a basic block, substituting physregs for virtregs, the use-def chains are kept up to date. That means we can recognize a virtreg kill by the use-def chain becoming empty.
This makes the fast allocator independent of incoming kill flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103866
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Nick Lewycky [Sat, 15 May 2010 04:26:25 +0000 (04:26 +0000)]
Teach the always inliner to release its inline cost estimates, like the basic
inliner did in r103653. Why does the always inliner even bother with cost
estimates anyways?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103858
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Nick Lewycky [Sat, 15 May 2010 03:41:58 +0000 (03:41 +0000)]
Clean up, no functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103857
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Jakob Stoklund Olesen [Sat, 15 May 2010 02:52:58 +0000 (02:52 +0000)]
Add reg_nodbg_iterator
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103856
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Evan Cheng [Sat, 15 May 2010 02:20:21 +0000 (02:20 +0000)]
v4i64 and v8i64 are only synthesizable when NEON is available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103855
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Evan Cheng [Sat, 15 May 2010 02:18:07 +0000 (02:18 +0000)]
Allow TargetLowering::getRegClassFor() to be called on illegal types. Also
allow target to override it in order to map register classes to illegal
but synthesizable types. e.g. v4i64, v8i64 for ARM / NEON.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103854
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Evan Cheng [Sat, 15 May 2010 01:36:29 +0000 (01:36 +0000)]
Model 64-bit lane vld with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103851
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Evan Cheng [Sat, 15 May 2010 01:35:44 +0000 (01:35 +0000)]
A partial re-def instruction may be a copy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103850
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Evan Cheng [Fri, 14 May 2010 23:21:14 +0000 (23:21 +0000)]
Teach two-address pass to do some coalescing while eliminating REG_SEQUENCE
instructions.
e.g.
%reg1026<def> = VLDMQ %reg1025<kill>, 260, pred:14, pred:%reg0
%reg1027<def> = EXTRACT_SUBREG %reg1026, 6
%reg1028<def> = EXTRACT_SUBREG %reg1026<kill>, 5
...
%reg1029<def> = REG_SEQUENCE %reg1028<kill>, 5, %reg1027<kill>, 6, %reg1028, 7, %reg1027, 8, %reg1028, 9, %reg1027, 10, %reg1030<kill>, 11, %reg1032<kill>, 12
After REG_SEQUENCE is eliminated, we are left with:
%reg1026<def> = VLDMQ %reg1025<kill>, 260, pred:14, pred:%reg0
%reg1029:6<def> = EXTRACT_SUBREG %reg1026, 6
%reg1029:5<def> = EXTRACT_SUBREG %reg1026<kill>, 5
The regular coalescer will not be able to coalesce reg1026 and reg1029 because it doesn't
know how to combine sub-register indices 5 and 6. Now 2-address pass will consult the
target whether sub-registers 5 and 6 of reg1026 can be combined to into a larger
sub-register (or combined to be reg1026 itself as is the case here). If it is possible,
it will be able to replace references of reg1026 with reg1029 + the larger sub-register
index.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103835
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Dan Gohman [Fri, 14 May 2010 23:01:02 +0000 (23:01 +0000)]
Add some comments about undef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103834
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Evan Cheng [Fri, 14 May 2010 22:54:52 +0000 (22:54 +0000)]
Model VST*_UPD and VST*oddUPD pair with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103833
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Dan Gohman [Fri, 14 May 2010 22:53:18 +0000 (22:53 +0000)]
Fast ISel trivially coalesces away no-op casts, so check for this when
setting kill flags.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103832
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:40:43 +0000 (22:40 +0000)]
Don't bother spilling before a return
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103831
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:40:40 +0000 (22:40 +0000)]
RegAllocLocal can count copies too
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103830
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Bill Wendling [Fri, 14 May 2010 22:17:42 +0000 (22:17 +0000)]
SystemZ really does mean "has calls" and not just "adjusts stack." Go ahead and
replace the check with the appropriate predicate. Modify the testcase to reflect
the correct code. (It should be saving callee-saved registers on the stack
allocated by the calling fuction.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103829
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Jakob Stoklund Olesen [Fri, 14 May 2010 22:02:56 +0000 (22:02 +0000)]
Track allocatable instead of reserved regs, and never take an unallocatable hint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103828
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Dan Gohman [Fri, 14 May 2010 22:01:14 +0000 (22:01 +0000)]
Don't set kill flags for instructions which the scheduler has cloned.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103827
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Dan Gohman [Fri, 14 May 2010 22:00:27 +0000 (22:00 +0000)]
BR is a barrier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103826
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Bill Wendling [Fri, 14 May 2010 21:58:35 +0000 (21:58 +0000)]
Several tail call tests apparently rely upon this being "adjusts stack" instead
of "has calls". That's probably wrong, but it needs further
investigation. Revert to the original behavior until this is settled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103824
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:52 +0000 (21:55 +0000)]
Avoid scanning the long tail of physreg operands on calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103823
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Devang Patel [Fri, 14 May 2010 21:55:50 +0000 (21:55 +0000)]
Do not forget to mark prcessed arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103822
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:50 +0000 (21:55 +0000)]
Count coalesced copies
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103821
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Jakob Stoklund Olesen [Fri, 14 May 2010 21:55:44 +0000 (21:55 +0000)]
Allow virtreg redefines when verifying for RegAllocFast
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103820
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Bill Wendling [Fri, 14 May 2010 21:38:44 +0000 (21:38 +0000)]
This should happen if there are no calls, not if it just doesn't adjust the
stack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103813
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Bill Wendling [Fri, 14 May 2010 21:28:24 +0000 (21:28 +0000)]
Revert r103804. The comment is correct.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103808
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Jim Grosbach [Fri, 14 May 2010 21:20:46 +0000 (21:20 +0000)]
Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103807
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Jim Grosbach [Fri, 14 May 2010 21:19:48 +0000 (21:19 +0000)]
80 column and trailing whitespace cleanup
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103806
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Jim Grosbach [Fri, 14 May 2010 21:18:04 +0000 (21:18 +0000)]
add cmd line option to leave dbgvalues in during post-RA sceduling. Useful
while debugging what's mishandled about them in the post-RA pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103805
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Bill Wendling [Fri, 14 May 2010 21:17:29 +0000 (21:17 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103804
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Bill Wendling [Fri, 14 May 2010 21:14:32 +0000 (21:14 +0000)]
Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what
the variable actually tracks.
N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103802
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Devang Patel [Fri, 14 May 2010 21:04:45 +0000 (21:04 +0000)]
Test case for r103800.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103801
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Dan Gohman [Fri, 14 May 2010 21:01:44 +0000 (21:01 +0000)]
Lowering of atomic instructions can result in operands being
used more than once. If ISel had put a kill flag on one of them,
it's not valid to transfer the kill flag to each new instance.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103799
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Devang Patel [Fri, 14 May 2010 21:01:35 +0000 (21:01 +0000)]
Add support to preserve type info for the variables that are removed by the optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103798
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Jakob Stoklund Olesen [Fri, 14 May 2010 20:28:32 +0000 (20:28 +0000)]
When verifying two-address instructions, check the following:
- Kill is implicit when use and def registers are identical.
- Only virtual registers can differ.
Add a -verify-fast-regalloc to run the verifier before the fast allocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103797
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Kevin Enderby [Fri, 14 May 2010 19:16:02 +0000 (19:16 +0000)]
Fix so "int3" is correctly accepted, added "into" and fixed "int" with an
argument, like "int $4", to not get an Assertion error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103791
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Evan Cheng [Fri, 14 May 2010 18:54:59 +0000 (18:54 +0000)]
Model VLD*_UPD and VLD*odd_UPD pair with REG_SEQUENCE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103790
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Daniel Dunbar [Fri, 14 May 2010 18:53:40 +0000 (18:53 +0000)]
MC/Mach-O/x86_64: Darwin's special "signed_N" relocation types should only be
used to replace a normal relocation, not a reference to a GOT entry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103789
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Jakob Stoklund Olesen [Fri, 14 May 2010 18:03:25 +0000 (18:03 +0000)]
Simplify the handling of physreg defs and uses in RegAllocFast.
This adds extra security against using clobbered physregs, and it adds kill
markers to physreg uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103784
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Dan Gohman [Fri, 14 May 2010 16:46:02 +0000 (16:46 +0000)]
Set isTerminator on TRAP instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103778
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Dan Gohman [Fri, 14 May 2010 16:42:16 +0000 (16:42 +0000)]
Don't use isBarrier for the PowerPC sync instruction. isBarrier is for
control barriers, not memory ordering barriers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103777
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Dan Gohman [Fri, 14 May 2010 16:34:55 +0000 (16:34 +0000)]
Add mayLoad and mayStore flags to instructions which missed them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103776
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Dan Gohman [Fri, 14 May 2010 15:36:54 +0000 (15:36 +0000)]
Use regular PassManager instead of FunctionPassManager in opt, since it
isn't doing lazy streaming. This also fixes a missing doFinalization call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103774
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Dan Gohman [Fri, 14 May 2010 15:35:10 +0000 (15:35 +0000)]
Use PassManagerBase, to give clients the option of using either
FunctionPassManager or regular PassManager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103773
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Dan Gohman [Fri, 14 May 2010 15:29:31 +0000 (15:29 +0000)]
Add an isNodeHidden to the graph traits, to support definition of
subgraph views.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103772
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Daniel Dunbar [Fri, 14 May 2010 07:47:51 +0000 (07:47 +0000)]
XFAIL the test I added with vg_leak, apparently it is the first and only llc
-filetype=obj test, and -filetype=obj leaks a few objects. Added a FIXME, we
need to sort out the ownership model for the various MC objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103769
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Evan Cheng [Fri, 14 May 2010 07:37:40 +0000 (07:37 +0000)]
Get rid of the bit twiddling to read / set OpActions and ValueTypeActions. The small saving in memory isn't worth the increase in runtime and code complexity in my opinion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103768
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Daniel Dunbar [Fri, 14 May 2010 04:31:50 +0000 (04:31 +0000)]
Inline Asm: Ensure buffer is newline terminated to match how the text is printed.
- This is a hack, but I can't decide the best place to handle this. Chris?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103765
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Jakob Stoklund Olesen [Fri, 14 May 2010 04:30:51 +0000 (04:30 +0000)]
Enable opportunistic coalescing
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103764
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Evan Cheng [Fri, 14 May 2010 02:13:41 +0000 (02:13 +0000)]
Added a QQQQ register file to model 4-consecutive Q registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103760
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Eric Christopher [Fri, 14 May 2010 01:50:28 +0000 (01:50 +0000)]
Add AsmParser support for darwin tbss directive.
Nothing uses this yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757
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Eric Christopher [Fri, 14 May 2010 01:38:54 +0000 (01:38 +0000)]
Fix a couple of typos.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103756
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Nick Lewycky [Fri, 14 May 2010 01:02:48 +0000 (01:02 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103755
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Daniel Dunbar [Fri, 14 May 2010 00:51:14 +0000 (00:51 +0000)]
MC: Switch to completely lazy layout.
- The eliminates the last major algorithmic problem with MC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103754
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Daniel Dunbar [Fri, 14 May 2010 00:37:21 +0000 (00:37 +0000)]
MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103753
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Daniel Dunbar [Fri, 14 May 2010 00:37:17 +0000 (00:37 +0000)]
MC: Implicitly assign section addresses when the previous fragment is layed out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103752
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Daniel Dunbar [Fri, 14 May 2010 00:37:14 +0000 (00:37 +0000)]
MC: Switch MCFragment to storing the layout order index, not its index in the file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103751
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Daniel Dunbar [Fri, 14 May 2010 00:37:11 +0000 (00:37 +0000)]
MC: Change LayoutSection() to only do the section initializiation.
Also, elimminate MCAsmLayout::set*, which are no longer needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103750
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Evan Cheng [Fri, 14 May 2010 00:21:45 +0000 (00:21 +0000)]
Fix comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103749
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Jakob Stoklund Olesen [Fri, 14 May 2010 00:02:23 +0000 (00:02 +0000)]
Trust kill flags from isel and later passes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103748
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Jakob Stoklund Olesen [Fri, 14 May 2010 00:02:20 +0000 (00:02 +0000)]
Fix an embarrassing runtime regression for RegAllocFast.
This loop is quadratic in the capacity for a DenseMap:
while(!map.empty())
map.erase(map.begin());
Instead we now do a normal begin() - end() iteration followed by map.clear().
That also has the nice sideeffect of shrinking the map capacity on demand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103747
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Evan Cheng [Thu, 13 May 2010 23:55:47 +0000 (23:55 +0000)]
Adding a v8i64 512-bit vector type. This will be used to model ARM NEON intrinsics which translate into a pair of vld / vst instructions that can load / store 8 consecutive 64-bit (D) registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103746
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Dale Johannesen [Thu, 13 May 2010 23:50:42 +0000 (23:50 +0000)]
Implement a correct ui64->f32 conversion. The old
one was subject to double rounding in extreme cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103744
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Evan Cheng [Thu, 13 May 2010 23:25:21 +0000 (23:25 +0000)]
Eliminate use of magic numbers to access OpActions. It also has the effect of allowing more than 31 scalar value types. MAX_ALLOWED_VALUETYPE had already been updated to 64 a while back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103743
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Evan Cheng [Thu, 13 May 2010 23:01:26 +0000 (23:01 +0000)]
Fix up LoadExtActions, TruncStoreActions, and IndexedModeActions representation and setter and getter's so they will continue to work if the number of scalar ValueType's exceeds 31.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103742
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Jakob Stoklund Olesen [Thu, 13 May 2010 20:43:17 +0000 (20:43 +0000)]
Clean up RegAllocFast debug output
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103739
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Daniel Dunbar [Thu, 13 May 2010 20:40:12 +0000 (20:40 +0000)]
MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103738
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Dan Gohman [Thu, 13 May 2010 20:34:42 +0000 (20:34 +0000)]
Teach MachineLICM and MachineSink how to clear kill flags conservatively
when they move instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103737
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Evan Cheng [Thu, 13 May 2010 20:14:58 +0000 (20:14 +0000)]
80 col violation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103733
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Evan Cheng [Thu, 13 May 2010 20:02:08 +0000 (20:02 +0000)]
Add comment about the pseudo registers QQ, each of which is a pair of Q registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103731
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Bob Wilson [Thu, 13 May 2010 19:58:24 +0000 (19:58 +0000)]
Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers.
Do not use those for Thumb1 functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103730
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Oscar Fuentes [Thu, 13 May 2010 19:34:06 +0000 (19:34 +0000)]
CMake: fixes 64 bit Visual Studio IDE build. Fixes bug 4936.
Patch by Dimitry Andric!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103727
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Dan Gohman [Thu, 13 May 2010 19:24:00 +0000 (19:24 +0000)]
Add a utility function for conservatively clearing kill flags, and make
use of it in MachineCSE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103726
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