1fc4025a9c
More libcall transformations:
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printf("%s\n", str) -> puts(str)
printf("%c", c) -> putchar(c)
Also fixed fprintf(file, "%c", c) -> fputc(c, file)
llvm-svn: 28815
2006-06-16 08:36:35 +00:00
f2ea587aa2
Simplify fprintf(file, "%s", str) to fputs(str, file).
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llvm-svn: 28814
2006-06-16 04:52:30 +00:00
0c4aa14deb
First baby step towards ppc64 support. This adds a new -march=ppc64 backend
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that is currently just like ppc32 :)
llvm-svn: 28813
2006-06-16 01:37:27 +00:00
44ab8aefa6
Fix Regression/Linker/2006-06-15-GlobalVarAnment.ll
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llvm-svn: 28812
2006-06-16 01:24:04 +00:00
e9ad44e8b1
New testcase, the linker is not merging alignments right.
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llvm-svn: 28811
2006-06-16 01:20:58 +00:00
57e8e38a6f
Only print the stack trace if it was requested. Previously, any call into
...
the Signals module that registered the handlers would cause the stack trace
to be generated. Now, you must explicitly call PrintStackTraceOnErrorSignal
in order for that to happen.
llvm-svn: 28810
2006-06-16 00:00:57 +00:00
4ff6c1646f
Teach the local allocator to know that live-in values (e.g. arguments) are
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live at function entry. This prevents it from using arg registers for other
purposes before the arguments are used.
llvm-svn: 28809
2006-06-15 22:21:53 +00:00
cb29586ce4
Add a note that Nate noticed.
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llvm-svn: 28808
2006-06-15 21:33:31 +00:00
19f964e048
1. Support standard dwarf format (was bootstrapping in Apple format.)
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2. Add vector support.
llvm-svn: 28807
2006-06-15 20:51:43 +00:00
3519b87758
Was pointed out that structure alignment and type alignment are not the same
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thing. Doubles still need to be special cased.
llvm-svn: 28806
2006-06-15 19:37:14 +00:00
9095eec0a2
Make sure global doubles and vectors are aligned properly.
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llvm-svn: 28805
2006-06-15 19:35:07 +00:00
9d343d2799
Add some more matcher classes for shifts.
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llvm-svn: 28804
2006-06-15 19:25:28 +00:00
c482a9e31a
Implement Transforms/InstCombine/bswap.ll, turning common shift/and/or bswap
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idioms into bswap intrinsics.
llvm-svn: 28803
2006-06-15 19:07:26 +00:00
c09a6ea07a
new testcase, instcombine should turn these into llvm.bswap intrinsics.
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llvm-svn: 28802
2006-06-15 19:06:42 +00:00
3743bd84cd
Fix building on case-sensitive file systems, grr :)
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llvm-svn: 28801
2006-06-15 17:31:22 +00:00
aba6398f8b
Actually add instructions to the list of defined values so it gets
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recognized as such! This prevents the CppWriter from treating every
operand as a forward reference and making a mess of the output.
llvm-svn: 28800
2006-06-15 16:09:59 +00:00
dce07568f2
Alignment of globals has not been quite right. Needed to drop the pointer type
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to get the alignment of the element type.
llvm-svn: 28799
2006-06-15 13:10:58 +00:00
66f0e09313
Vector extract / insert index operand should have ptr type.
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llvm-svn: 28798
2006-06-15 08:19:05 +00:00
94bb93f8f7
Type of extract_element index operand should be iPTR.
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llvm-svn: 28797
2006-06-15 08:18:06 +00:00
de7156f12c
Type of vector extract / insert index operand should be iPTR.
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llvm-svn: 28796
2006-06-15 08:14:54 +00:00
ef9e07d3f0
Consistency. EXTRACT_ELEMENT index operand should have ptr type.
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llvm-svn: 28795
2006-06-15 08:11:54 +00:00
df63179d95
Assert. Rather than silently stop printing.
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llvm-svn: 28794
2006-06-15 08:10:56 +00:00
1dfdffb9b2
Avoid undesirable behavior when assert is not enabled.
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llvm-svn: 28793
2006-06-15 08:10:27 +00:00
55772ccfd6
Instructions with variable operands (variable_ops) can have a number required
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operands. e.g.
def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
"call {*}$dst", [(X86call GR32:$dst)]>;
TableGen should emit operand informations for the "required" operands.
Added a target instruction info flag M_VARIABLE_OPS to indicate the target
instruction may have more operands in addition to the minimum required
operands.
llvm-svn: 28791
2006-06-15 07:22:16 +00:00
5d038cf802
Allow more use of iPTR in patterns.
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llvm-svn: 28790
2006-06-15 00:16:37 +00:00
c8734381ac
X86 call instructions can take variable number of operands. Parameters of
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vector types are passed via XMM registers.
llvm-svn: 28789
2006-06-14 22:24:55 +00:00
ff7c28dfdd
Added support for variable_ops.
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llvm-svn: 28788
2006-06-14 22:22:20 +00:00
37c1c44c14
add a note
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llvm-svn: 28787
2006-06-14 21:26:18 +00:00
4fce8940b0
new testcase, not currently working.
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llvm-svn: 28786
2006-06-14 21:24:57 +00:00
1ce02e4c49
Fix support for optional input flag.
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llvm-svn: 28784
2006-06-14 19:27:50 +00:00
ca25486603
Add argument registers to the end of call operand list (partial fix).
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llvm-svn: 28783
2006-06-14 18:17:40 +00:00
f0a7a1a117
Change versioning to per debug info descriptor (merged with tag.)
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llvm-svn: 28782
2006-06-14 14:45:39 +00:00
f67bec0579
Place dwarf headers at earliest possible point. Well behaved when skipping
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functions.
llvm-svn: 28781
2006-06-14 11:35:03 +00:00
0c4f5a655a
Fix Transforms/LoopUnswitch/2006-06-13-SingleEntryPHI.ll, a loop unswitch
...
bug exposed by the recent lcssa work.
llvm-svn: 28779
2006-06-14 04:46:17 +00:00
d3c7db5fa8
new testcase, distilled from povray
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llvm-svn: 28778
2006-06-14 04:45:45 +00:00
4e744af80c
When asked not to delete useless PHIs, really don't delete them, no matter how
...
redundant they are.
llvm-svn: 28777
2006-06-14 04:43:14 +00:00
e3abb14503
Use the PotDoms map to memoize 'dominating value' lookup. With this patch,
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LCSSA is still the slowest pass when gccas'ing 252.eon, but now it only takes
39s instead of 289s. :)
llvm-svn: 28776
2006-06-14 01:13:57 +00:00
632ee8de55
getOperandNum(): error if specified operand number is out of range.
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llvm-svn: 28775
2006-06-13 21:47:27 +00:00
e714a5c549
Fix another instance where PHI nodes need special treatment.
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llvm-svn: 28774
2006-06-13 20:50:09 +00:00
7e428625c9
Update isLCSSAForm to handle PHI nodes specially for live-out detection. This
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is the same as the recent patch to LCSSA.cpp.
llvm-svn: 28773
2006-06-13 20:45:22 +00:00
7c69df968c
I am sure I had commited this workaround before. Perhaps soon I should sort it all out
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llvm-svn: 28772
2006-06-13 20:34:47 +00:00
3f8ff0449a
Fix a bug that was causing major slowdowns in povray. This was due to LCSSA
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not handling PHI nodes correctly when determining if a value was live-out.
This patch reduces the number of detected live-out variables in the testcase
from 6565 to 485.
llvm-svn: 28771
2006-06-13 19:37:18 +00:00
f570feeae3
It really helps to be returning to the correct place
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llvm-svn: 28769
2006-06-13 18:27:39 +00:00
c5bb8ab1d5
Port some bugfixes in shift handling from SimplifyDemandedBits over to
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ComputeMaskedBits. DemandedMasks and KnownZero/One masks should never have
bits set out of the range of the base datatype.
llvm-svn: 28768
2006-06-13 16:52:37 +00:00
a48a176321
My original test case was bogus. Reverting to crasher case.
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llvm-svn: 28767
2006-06-13 15:22:49 +00:00
fe25b30c6d
Tests to make sure that ComputeMaskedBits discards bits for shifts.
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llvm-svn: 28766
2006-06-13 13:10:44 +00:00
8cac9cd5f6
TargetLowering::ComputeMaskedBits was not clearing reciprocal bits on shifts.
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llvm-svn: 28765
2006-06-13 13:08:58 +00:00
17ca732b6a
Cygwin support: use _alloca to allocate stack if > 4k. Patch by Anton Korobeynikov.
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llvm-svn: 28764
2006-06-13 05:14:44 +00:00
20ec1654b1
Teach bugpoint to kill optimization passes that run over the timeout limit,
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which allows it to debug optimizer infinite loops. This patch is contributed
by Nick Lewycky, thanks!
llvm-svn: 28763
2006-06-13 03:10:48 +00:00
d2d29a088e
Decribe the "implementation" keyword.
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llvm-svn: 28762
2006-06-13 03:05:47 +00:00
Evan Cheng