Bill Wendling [Sun, 7 Sep 2008 10:26:33 +0000 (10:26 +0000)]
Formatting changes. to make the information cleaner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55884
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Duncan Sands [Sun, 7 Sep 2008 09:54:09 +0000 (09:54 +0000)]
Correct a comment and strip trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55883
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Evan Cheng [Sun, 7 Sep 2008 09:09:33 +0000 (09:09 +0000)]
Initial fastisel call support for C, Fast, and X86_FastCall calling conventions. It's meant to handle "simple" calls, i.e. no byval, structret, etc. It doesn't support multi-result returns either.
Not yet turned on, it needs to support sext / zext of arguments and result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55882
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Evan Cheng [Sun, 7 Sep 2008 09:07:23 +0000 (09:07 +0000)]
Some code clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55881
91177308-0d34-0410-b5e6-
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Evan Cheng [Sun, 7 Sep 2008 09:04:52 +0000 (09:04 +0000)]
Indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55880
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Evan Cheng [Sun, 7 Sep 2008 09:02:18 +0000 (09:02 +0000)]
- Doh. Pass vector by value is bad.
- Add a AnalyzeCallResult specialized for calls which produce a single value. This is used by fastisel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55879
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Evan Cheng [Sun, 7 Sep 2008 09:00:57 +0000 (09:00 +0000)]
Eliminate a compile time warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55878
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Evan Cheng [Sun, 7 Sep 2008 08:47:42 +0000 (08:47 +0000)]
Handle x86 truncate to i8 with target hook for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55877
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Evan Cheng [Sun, 7 Sep 2008 08:23:06 +0000 (08:23 +0000)]
Fix indentation of generated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55876
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Evan Cheng [Sun, 7 Sep 2008 08:19:51 +0000 (08:19 +0000)]
Ignore multi-instruction patterns. e.g.
def : Pat<(i8 (trunc GR32:$src)),
(i8 (EXTRACT_SUBREG (MOV32to32_ GR32:$src), x86_subreg_8bit))>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55875
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Nuno Lopes [Sat, 6 Sep 2008 17:44:06 +0000 (17:44 +0000)]
fix crash when the malloc/free function is defined or is a declaration with 0 parameters.
this pass doesnt seem to be used, but still it's now a little more correct
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55873
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Duncan Sands [Sat, 6 Sep 2008 17:19:29 +0000 (17:19 +0000)]
When PruneEH turned an invoke into an ordinary
call (thus changing the call site) it didn't
inform the callgraph about this. But the
call site does matter - as shown by the testcase,
the callgraph become invalid after the inliner
ran (with an edge between two functions simply
missing), resulting in wrong deductions by
GlobalsModRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55872
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Owen Anderson [Sat, 6 Sep 2008 01:11:01 +0000 (01:11 +0000)]
Fix constant pool loads, and remove broken versions of addConstantPoolReference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55868
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Owen Anderson [Sat, 6 Sep 2008 00:50:00 +0000 (00:50 +0000)]
Fix the X86 addConstantPoolReference, which had the operands in the wrong order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55867
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Dale Johannesen [Fri, 5 Sep 2008 23:49:37 +0000 (23:49 +0000)]
Next limited float precision expansion (log2 12 bits)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55866
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Owen Anderson [Fri, 5 Sep 2008 23:36:01 +0000 (23:36 +0000)]
Revert r55859. This is breaking the build in the abscence of its companion commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55865
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Eli Friedman [Fri, 5 Sep 2008 23:07:03 +0000 (23:07 +0000)]
Fix for PR2687: Add patterns to match sint_to_fp and fp_to_sint for <2 x
i32>. This is a little messy, but it works.
We should really get rid of the intrinsics, though, since they map
perfectly well to standard LLVM instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55864
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Dan Gohman [Fri, 5 Sep 2008 22:59:21 +0000 (22:59 +0000)]
Move the code that inserts copies for function livein registers
out of ScheduleDAGEmit.cpp and into SelectionDAGISel.cpp. This
allows it to be run exactly once per function, even if multiple
SelectionDAG iterations happen in the entry block, as may happen
with FastISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55863
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Devang Patel [Fri, 5 Sep 2008 21:55:33 +0000 (21:55 +0000)]
Remove unused map.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55861
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Dale Johannesen [Fri, 5 Sep 2008 21:49:30 +0000 (21:49 +0000)]
Mark math lib intrinsics readonly, on the grounds
that they read the rounding mode. This is conservatively
correct, which they weren't before. We can do more
optimization on these if we actually model the rounding
mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55860
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Duncan Sands [Fri, 5 Sep 2008 21:43:04 +0000 (21:43 +0000)]
Delete the removeCallEdgeTo callgraph method,
because it does not maintain a correct list
of callsites. I discovered (see following
commit) that the inliner will create a wrong
callgraph if it is fed a callgraph with
correct edges but incorrect callsites. These
were created by Prune-EH, and while it wasn't
done via removeCallEdgeTo, it could have been
done via removeCallEdgeTo, which is an accident
waiting to happen. Use removeCallEdgeFor
instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55859
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Duncan Sands [Fri, 5 Sep 2008 21:34:32 +0000 (21:34 +0000)]
Prevent our own passes from promoting this to
readonly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55858
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Dan Gohman [Fri, 5 Sep 2008 21:27:34 +0000 (21:27 +0000)]
Fix X86FastISel's shift and select code to reject illegal types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55857
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Dale Johannesen [Fri, 5 Sep 2008 21:27:19 +0000 (21:27 +0000)]
Add the next limited-precision expansion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55856
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Dan Gohman [Fri, 5 Sep 2008 21:13:04 +0000 (21:13 +0000)]
Fix the opcodes used by X86FastISel for shifts and conditional moves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55855
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Evan Cheng [Fri, 5 Sep 2008 21:00:03 +0000 (21:00 +0000)]
Factor out code that emits load and store instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55854
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Owen Anderson [Fri, 5 Sep 2008 20:49:33 +0000 (20:49 +0000)]
Rename method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55853
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Evan Cheng [Fri, 5 Sep 2008 20:04:37 +0000 (20:04 +0000)]
Fix test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55849
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Dan Gohman [Fri, 5 Sep 2008 18:44:22 +0000 (18:44 +0000)]
FastISel support for AND and OR with type i1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55846
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Dale Johannesen [Fri, 5 Sep 2008 18:38:42 +0000 (18:38 +0000)]
Add hooks for other intrinsics to get low-precision expansions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55845
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Dan Gohman [Fri, 5 Sep 2008 18:30:08 +0000 (18:30 +0000)]
X86FastISel support for shifts and conditional moves.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55844
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Dan Gohman [Fri, 5 Sep 2008 18:18:20 +0000 (18:18 +0000)]
FastISel support for ConstantExprs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55843
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Dan Gohman [Fri, 5 Sep 2008 18:13:01 +0000 (18:13 +0000)]
Revert r55817. It broke PIC. FastISel will need to find a different
approach here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55842
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Evan Cheng [Fri, 5 Sep 2008 17:24:07 +0000 (17:24 +0000)]
If SSE2 is available, x86 should pass first 3 f32/f64 arguments in XMM registers for fastcc calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55840
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Evan Cheng [Fri, 5 Sep 2008 16:59:26 +0000 (16:59 +0000)]
Add a variant of AnalyzeCallOperands that can be used by fast isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55838
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Duncan Sands [Fri, 5 Sep 2008 14:56:53 +0000 (14:56 +0000)]
Use removeAllCalledFunctions rather than removing
edges one by one by hand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55836
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Duncan Sands [Fri, 5 Sep 2008 12:37:12 +0000 (12:37 +0000)]
Remove trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55835
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Duncan Sands [Fri, 5 Sep 2008 12:31:56 +0000 (12:31 +0000)]
Strip trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55834
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Duncan Sands [Fri, 5 Sep 2008 09:08:37 +0000 (09:08 +0000)]
Make this pass return that it made a change if
it modifies a functions attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55831
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Duncan Sands [Fri, 5 Sep 2008 08:13:35 +0000 (08:13 +0000)]
"Fix" PR2762. The testcase now crashes codegen
elsewhere due to a missing pattern for
v2f64 = sint_to_fp v2i32. That is PR2687.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55828
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Dan Gohman [Fri, 5 Sep 2008 01:58:21 +0000 (01:58 +0000)]
Fix a search+replace-o.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55824
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Dale Johannesen [Fri, 5 Sep 2008 01:48:15 +0000 (01:48 +0000)]
Add -flimit-float-precision to enable some faster,
but less accurate (non-IEEE) code sequences for
certain math library functions. Add the first of
several such expansions. Don't worry, if you don't
turn it on it won't affect you.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55823
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Dan Gohman [Fri, 5 Sep 2008 01:33:56 +0000 (01:33 +0000)]
Check a comparion's operand type for legality before
expanding its operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55820
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Dan Gohman [Fri, 5 Sep 2008 01:15:35 +0000 (01:15 +0000)]
Fix X86FastISel code for comparisons and conditional branches
to check the result of getRegForValue before using it, and
to check for illegal operand types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55819
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Dan Gohman [Fri, 5 Sep 2008 01:08:41 +0000 (01:08 +0000)]
FastISel support for unreachable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55818
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Dan Gohman [Fri, 5 Sep 2008 01:07:48 +0000 (01:07 +0000)]
In FastISel mode, the scheduler may be invoked multiple times
in the same block. Fix the entry-block handling to only run at
at the beginning of the entry block, and not any other times.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55817
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Dan Gohman [Fri, 5 Sep 2008 01:06:14 +0000 (01:06 +0000)]
X86FastISel support for conditional branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55816
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Owen Anderson [Fri, 5 Sep 2008 00:06:23 +0000 (00:06 +0000)]
Add initial support for selecting constant materializations that require constant
pool loads on X86 in fast isel. This isn't actually used yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55814
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Dan Gohman [Thu, 4 Sep 2008 23:26:51 +0000 (23:26 +0000)]
X86FastISel support for ICmpInst and FCmpInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55811
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Devang Patel [Thu, 4 Sep 2008 23:10:26 +0000 (23:10 +0000)]
update.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55809
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Devang Patel [Thu, 4 Sep 2008 23:05:13 +0000 (23:05 +0000)]
Document function notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55808
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Evan Cheng [Thu, 4 Sep 2008 22:59:58 +0000 (22:59 +0000)]
For whatever the reason, x86 CallingConv::Fast (i.e. fastcc) was not passing scalar arguments in registers. This patch defines a new fastcc CC which is slightly different from the FastCall CC. In addition to passing integer arguments in ECX and EDX, it also specify doubles are passed in 8-byte slots which are 8-byte aligned (instead of 4-byte aligned). This avoids a potential performance hazard where doubles span cacheline boundaries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55807
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Devang Patel [Thu, 4 Sep 2008 22:43:59 +0000 (22:43 +0000)]
A loop may be unswitched multiple times. Reconstruct dom info. at the end.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55806
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Dale Johannesen [Thu, 4 Sep 2008 21:24:28 +0000 (21:24 +0000)]
Adjust tests to expect new math intrinsics to be
emitted only when errno is not in use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55797
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Devang Patel [Thu, 4 Sep 2008 21:03:41 +0000 (21:03 +0000)]
If function notes say optimize for size, then adjust alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55794
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Dan Gohman [Thu, 4 Sep 2008 20:49:27 +0000 (20:49 +0000)]
Add an include of SmallSet.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55793
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Devang Patel [Thu, 4 Sep 2008 20:36:36 +0000 (20:36 +0000)]
Initialize loop data first.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55792
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Duncan Sands [Thu, 4 Sep 2008 19:16:20 +0000 (19:16 +0000)]
Neaten this up a bit. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55789
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Devang Patel [Thu, 4 Sep 2008 18:55:13 +0000 (18:55 +0000)]
Do not unswitch if the function notes say we're optimizing this function for size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55786
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Andrew Lenharth [Thu, 4 Sep 2008 18:51:26 +0000 (18:51 +0000)]
try to seperate the mechanism into something others can use
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55785
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Dale Johannesen [Thu, 4 Sep 2008 18:44:20 +0000 (18:44 +0000)]
Adjust libcalls tests to expect intrinsic for exp2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55784
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Dale Johannesen [Thu, 4 Sep 2008 18:30:46 +0000 (18:30 +0000)]
Add intrinsic forms of pow and exp2. The non-intrinsic
forms remain to handle older IR files, but will go away soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55781
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Dan Gohman [Thu, 4 Sep 2008 17:05:41 +0000 (17:05 +0000)]
Tidy up several unbeseeming casts from pointer to intptr_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55779
91177308-0d34-0410-b5e6-
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Owen Anderson [Thu, 4 Sep 2008 16:48:33 +0000 (16:48 +0000)]
Fix the ordering of operands to the store (inverted relative to LLVM IR), and fix the testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55777
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Dan Gohman [Thu, 4 Sep 2008 15:39:15 +0000 (15:39 +0000)]
Clean up uses of TargetLowering::getTargetMachine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55769
91177308-0d34-0410-b5e6-
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Andrew Lenharth [Thu, 4 Sep 2008 14:34:22 +0000 (14:34 +0000)]
cleanup as per Duncan's review
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55766
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Owen Anderson [Thu, 4 Sep 2008 07:08:58 +0000 (07:08 +0000)]
Add a first attempt at implementing stores for X86 fast isel using target hooks.
Dan or Evan, please review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55764
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Evan Cheng [Thu, 4 Sep 2008 06:18:33 +0000 (06:18 +0000)]
Load from GV stub should be locally CSE'd.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55763
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Evan Cheng [Thu, 4 Sep 2008 05:43:55 +0000 (05:43 +0000)]
Fix an overly strict assertion. Source register of a copy may not be killed, it may be killed by an implicit super-register use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55762
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Evan Cheng [Thu, 4 Sep 2008 01:04:15 +0000 (01:04 +0000)]
Remove code that pad number of bytes to pop for X86_FastCall CC. The code doesn't do the "aligning" for Cygwin, Mingw, and Windows. But aligning it on Darwin and Linux breaks gcc compatibility. That ruled out all the platforms we support!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55756
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Dale Johannesen [Thu, 4 Sep 2008 00:47:13 +0000 (00:47 +0000)]
Add intrinsics for log, log2, log10, exp, exp2.
No functional change (and no FE change to generate them).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55753
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Dan Gohman [Wed, 3 Sep 2008 23:32:19 +0000 (23:32 +0000)]
Do trivial local CSE for constants and other non-Instruction values
in FastISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55748
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Dan Gohman [Wed, 3 Sep 2008 23:18:39 +0000 (23:18 +0000)]
Put RegsForValue in the llvm namespace to avoid warnings about
classes in the llvm namespace having members with types from
anonymous namespaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55747
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Dan Gohman [Wed, 3 Sep 2008 23:12:08 +0000 (23:12 +0000)]
Create HandlePHINodesInSuccessorBlocksFast, a version of
HandlePHINodesInSuccessorBlocks that works FastISel-style. This
allows PHI nodes to be updated correctly while using FastISel.
This also involves some code reorganization; ValueMap and
MBBMap are now members of the FastISel class, so they needn't
be passed around explicitly anymore. Also, SelectInstructions
is changed to SelectInstruction, and only does one instruction
at a time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55746
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Devang Patel [Wed, 3 Sep 2008 23:06:09 +0000 (23:06 +0000)]
Update inline threshold for current function if the notes say, optimize for size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55745
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Owen Anderson [Wed, 3 Sep 2008 23:06:07 +0000 (23:06 +0000)]
Fix a bug that prevented PRE from applying in some cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55744
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Devang Patel [Wed, 3 Sep 2008 22:55:40 +0000 (22:55 +0000)]
Avoid extra comma.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55742
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Devang Patel [Wed, 3 Sep 2008 22:10:21 +0000 (22:10 +0000)]
Parse and print opt_size note.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55740
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Andrew Lenharth [Wed, 3 Sep 2008 21:00:28 +0000 (21:00 +0000)]
Initial version of a Partial Specialization IPO pass. It triggers a couple hundred times on 176.gcc. I don't know the performance impact yet, the heuristic is quite simple still.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55734
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Dale Johannesen [Wed, 3 Sep 2008 20:34:58 +0000 (20:34 +0000)]
Do not emit a UsedDirective for things in the llvm.used
list that have internal linkage; the linker doesn't need
or want this. (These objects must still be preserved
at compile time, so just removing them from the llvm.used
list doesn't work.) Should affect only Darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55722
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Devang Patel [Wed, 3 Sep 2008 20:25:40 +0000 (20:25 +0000)]
Fix typo in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55720
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Devang Patel [Wed, 3 Sep 2008 20:24:05 +0000 (20:24 +0000)]
Add missing decls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55719
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Devang Patel [Wed, 3 Sep 2008 19:57:15 +0000 (19:57 +0000)]
Add parentheses to make code more readable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55717
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Devang Patel [Wed, 3 Sep 2008 19:52:17 +0000 (19:52 +0000)]
Fix comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55716
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Duncan Sands [Wed, 3 Sep 2008 19:38:41 +0000 (19:38 +0000)]
Testcase for commits 55700 and 55714.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55715
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Duncan Sands [Wed, 3 Sep 2008 19:37:16 +0000 (19:37 +0000)]
If a SCC has a node without a function, then the SCC
analysis would bail out without removing function
records for other members of the SCC (which may exist
if those functions read or wrote global variables).
Since these are initialized to "readnone", this
resulted in incorrect alias analysis results.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55714
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Devang Patel [Wed, 3 Sep 2008 18:50:53 +0000 (18:50 +0000)]
Add custom inliner that handles only functions that are marked as always_inline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55713
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Devang Patel [Wed, 3 Sep 2008 18:47:45 +0000 (18:47 +0000)]
Handle "always inline" note during inline cost analysis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55712
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Devang Patel [Wed, 3 Sep 2008 18:46:35 +0000 (18:46 +0000)]
Check noinline note and ignore other notes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55711
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Devang Patel [Wed, 3 Sep 2008 18:10:21 +0000 (18:10 +0000)]
Handle "noinline" note inside the simple inliner.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55708
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Owen Anderson [Wed, 3 Sep 2008 17:51:57 +0000 (17:51 +0000)]
Oops, I accidentally broke the fallback case with my last commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55704
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Owen Anderson [Wed, 3 Sep 2008 17:37:03 +0000 (17:37 +0000)]
Fix an issue where we were reusing materializations of constants in blocks not dominated by the materialization. This is
the simple fix, materializing the constant before every use. It might be better to either track domination of uses or
to materialize all constants and the beginning of the function and let remat sort when to do materialization at uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55703
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Devang Patel [Wed, 3 Sep 2008 17:05:49 +0000 (17:05 +0000)]
Update test to check call instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55702
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Dan Gohman [Wed, 3 Sep 2008 16:12:24 +0000 (16:12 +0000)]
Split the SelectionDAG-building code, including the FunctionLoweringInfo
and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put
it in a separate file, SelectionDAGBuild.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55701
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Duncan Sands [Wed, 3 Sep 2008 16:10:55 +0000 (16:10 +0000)]
Fix maxo bado thinko.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55700
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Dan Gohman [Wed, 3 Sep 2008 16:01:59 +0000 (16:01 +0000)]
Separate MachineInstr-emitting routines from actual scheduling
routines and move them into a separate file, ScheduleDAGEmit.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55699
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Dan Gohman [Wed, 3 Sep 2008 15:56:16 +0000 (15:56 +0000)]
Fix addRegisterDead and addRegisterKilled to be more thorough
when searching for redundant subregister dead/kill bits.
Previously it was common to see instructions marked like this:
"RET %EAX<imp-use,kill>, %AX<imp-use,kill>"
With this change, addRegisterKilled continues scanning after
finding the %EAX operand, so it proceeds to discover the
redundant %AX kill and eliminates it, producing this:
"RET %EAX<imp-use,kill>"
This currently has no effect on the generated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55698
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Duncan Sands [Wed, 3 Sep 2008 15:31:24 +0000 (15:31 +0000)]
Since onlyReadsMemory returns true if in fact
doesNotAccessMemory, check doesNotAccessMemory
first, since otherwise functions may be
marked readonly rather than readnone.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55697
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Duncan Sands [Wed, 3 Sep 2008 12:55:42 +0000 (12:55 +0000)]
Cleanup GlobalsModRef a bit. When analysing the
callgraph, when one member of a SCC calls another
then the analysis would drop to mod-ref because
there is (usually) no function info for the callee
yet; fix this. Teach the analysis about function
attributes, in particular the readonly attribute
(which requires being careful about globals).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55696
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Duncan Sands [Wed, 3 Sep 2008 07:52:01 +0000 (07:52 +0000)]
Testcase for PR1678.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55695
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