Owen Anderson
b62f792e78
Treat lifetime begin/end markers as allocations/frees respectively for the
...
purposes for GVN/DSE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85383 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28 07:05:35 +00:00
Owen Anderson
a85a66423d
Be more careful about invariance reasoning on "store" queries. Stores still need
...
to depend on Ref and ModRef calls within the invariant region.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85380 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28 06:30:52 +00:00
Owen Anderson
4bc737c5ef
Add trivial support for the invariance intrinsics to memdep. This logic is
...
purely local for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85378 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28 06:18:42 +00:00
Chris Lattner
ab21db79ef
rename indbr -> indirectbr to appease the residents of #llvm.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28 00:19:10 +00:00
Chris Lattner
7b876e4644
make the build build.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 21:43:39 +00:00
Chris Lattner
2688bcbee1
Random updates to passes for indbr, I need blockaddress before I can do much more.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85316 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 21:27:42 +00:00
Victor Hernandez
f006b183e2
Rename MallocFreeHelper as MemoryBuiltins
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27 20:05:49 +00:00
Victor Hernandez
f2becca90b
Rename MallocHelper as MallocFreeHelper, since it now also identifies calls to free()
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85181 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 23:58:56 +00:00
Victor Hernandez
046e78ce55
Remove FreeInst.
...
Remove LowerAllocations pass.
Update some more passes to treate free calls just like they were treating FreeInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85176 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 23:43:48 +00:00
Dan Gohman
6665b0ea68
Teach BasicAA how to analyze Select instructions, and make it more
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aggressive on PHI instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 21:55:43 +00:00
Devang Patel
ac16d44e58
Add support to encode type info using llvm::Constant.
...
Patch by Talin!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26 16:54:35 +00:00
Nick Lewycky
f5a86f45e7
Remove includes of Support/Compiler.h that are no longer needed after the
...
VISIBILITY_HIDDEN removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:57:41 +00:00
Nick Lewycky
6726b6d75a
Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.
...
Chris claims we should never have visibility_hidden inside any .cpp file but
that's still not true even after this commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85042 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:33:48 +00:00
Chris Lattner
93798daa3e
Teach FoldBitCast to be able to handle bitcasts from (e.g.) i128 -> <4 x float>.
...
This allows us to simplify this:
union vec2d {
double e[2];
double v __attribute__((vector_size(16)));
};
typedef union vec2d vec2d;
static vec2d a={{1,2}}, b={{3,4}};
vec2d foo () {
return (vec2d){ .v = a.v + b.v * (vec2d){{5,5}}.v };
}
down to:
define %0 @foo() nounwind ssp {
entry:
%mrv5 = insertvalue %0 undef, double 1.600000e+01, 0 ; <%0> [#uses=1]
%mrv6 = insertvalue %0 %mrv5, double 2.200000e+01, 1 ; <%0> [#uses=1]
ret %0 %mrv6
}
instead of:
define %0 @foo() nounwind ssp {
entry:
%mrv5 = insertvalue %0 undef, double extractelement (<2 x double> fadd (<2 x double> fmul (<2 x double> bitcast (<1 x i128> <i128 85174437667405312423031577302488055808> to <2 x double>), <2 x double> <double 3.000000e+00, double 4.000000e+00>), <2 x double> <double 1.000000e+00, double 2.000000e+00>), i32 0), 0 ; <%0> [#uses=1]
%mrv6 = insertvalue %0 %mrv5, double extractelement (<2 x double> fadd (<2 x double> fmul (<2 x double> bitcast (<1 x i128> <i128 85174437667405312423031577302488055808> to <2 x double>), <2 x double> <double 3.000000e+00, double 4.000000e+00>), <2 x double> <double 1.000000e+00, double 2.000000e+00>), i32 1), 1 ; <%0> [#uses=1]
ret %0 %mrv6
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85040 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:15:37 +00:00
Chris Lattner
6333c3959b
move FoldBitCast earlier in the file, and use it instead of
...
ConstantExpr::getBitCast in various places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85039 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:08:26 +00:00
Chris Lattner
ea9d57bc9a
refactor FoldBitCast to reduce nesting and to always return a constantexpr
...
instead of returning null on failure. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25 06:02:57 +00:00
Chris Lattner
c7b1382e35
various cleanups suggested by Duncan
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24 05:27:19 +00:00
Chris Lattner
c5af649758
fix PR5287, a serious regression from my previous patches. Thanks to
...
Duncan for the nice tiny testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84992 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24 05:22:15 +00:00
Victor Hernandez
66284e063a
Auto-upgrade free instructions to calls to the builtin free function.
...
Update all analysis passes and transforms to treat free calls just like FreeInst.
Remove RaiseAllocations and all its tests since FreeInst no longer needs to be raised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84987 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24 04:23:03 +00:00
Victor Hernandez
7b929dad59
Remove AllocationInst. Since MallocInst went away, AllocaInst is the only subclass of AllocationInst, so it no longer is necessary.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84969 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23 21:09:37 +00:00
Chris Lattner
17f0cd3cc1
teach libanalysis to simplify vector loads with bitcast sources. This
...
implements something out of Target/README.txt producing:
_foo: ## @foo
movl 4(%esp), %eax
movapd LCPI1_0, %xmm0
movapd %xmm0, (%eax)
ret $4
instead of:
_foo: ## @foo
movl 4(%esp), %eax
movapd _b, %xmm0
mulpd LCPI1_0, %xmm0
addpd _a, %xmm0
movapd %xmm0, (%eax)
ret $4
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23 06:57:37 +00:00
Chris Lattner
739208a790
enhance FoldReinterpretLoadFromConstPtr to handle loads of up to 32
...
bytes (i256).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23 06:50:36 +00:00
Chris Lattner
fe8c7c807c
teach libanalysis to fold int and fp loads from almost arbitrary
...
non-type-safe constant initializers. This sort of thing happens
quite a bit for 4-byte loads out of string constants, unions,
bitfields, and an interesting endianness check from sqlite, which
is something like this:
const int sqlite3one = 1;
# define SQLITE_BIGENDIAN (*(char *)(&sqlite3one)==0)
# define SQLITE_LITTLEENDIAN (*(char *)(&sqlite3one)==1)
# define SQLITE_UTF16NATIVE (SQLITE_BIGENDIAN?SQLITE_UTF16BE:SQLITE_UTF16LE)
all of these macros now constant fold away.
This implements PR3152 and is based on a patch started by Eli, but heavily
modified and extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84936 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23 06:23:49 +00:00
Chris Lattner
e00c43fc35
move another load optimization from instcombine -> libanalysis.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84841 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22 06:44:07 +00:00
Chris Lattner
62d327e241
move 'loading i32 from string' optimization from instcombine
...
to libanalysis. Instcombine shrinking... does this even
make sense???
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22 06:38:35 +00:00
Chris Lattner
878e494670
Move some constant folding logic for loads out of instcombine into
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Analysis/ConstantFolding.cpp. This doesn't change the behavior of
instcombine but makes other clients of ConstantFoldInstruction
able to handle loads. This was partially extracted from Eli's patch
in PR3152.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84836 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22 06:25:11 +00:00
Dan Gohman
eed9e5b833
Fix another place that calls Loop::contains a lot to construct a sorted
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container of the blocks and do efficient lookups. This makes
isLoopSimplifyForm much faster on large loops, fixing a significant
compile-time issue in builds with assertions enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84673 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20 20:41:13 +00:00
Chris Lattner
0ec5c32489
fix the other issue with ID's, hopefully really fixing the linux build.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84403 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18 04:58:34 +00:00
Chris Lattner
28717a8a60
fix some problems with ID definitions, which will hopefully fix the build bots.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84399 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18 04:27:14 +00:00
Chris Lattner
b839c5577d
add function passes for printing various dominator datastructures
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accessible through opt. Patch by Tobias Grosser!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84397 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18 04:10:40 +00:00
Chris Lattner
88067b9133
make DOTGraphTraits public, patch by Tobias Grosser!
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84396 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-18 04:09:11 +00:00
Chris Lattner
391d23b6c2
inline isGEP away.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84373 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17 23:48:54 +00:00
Victor Hernandez
a276c603b8
Remove MallocInst from LLVM Instructions.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84299 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17 01:18:07 +00:00
Victor Hernandez
136526ce2d
Invert isSafeToGetMallocArraySize check because we return NULL when we don't know the size.
...
Thanks to Duncan Sands for noticing this bug.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84261 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 18:08:17 +00:00
Evan Cheng
a846a8a1dc
When checking aliases between phi sources and V2, we know the sources are not themselves phi nodes. However, V2 may be. Call aliasCheck with V2 first to potentially eliminate a std::swap call.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16 00:33:09 +00:00
Victor Hernandez
2491ce0353
Fix bug where array malloc with unexpected computation of the size argument resulted in MallocHelper
...
identifying the malloc as a non-array malloc. This broke GlobalOpt's optimization of stores of mallocs
to global variables.
The fix is to classify malloc's into 3 categories:
1. non-array mallocs
2. array mallocs whose array size can be determined
3. mallocs that cannot be determined to be of type 1 or 2 and cannot be optimized
getMallocArraySize() returns NULL for category 3, and all users of this function must avoid their
malloc optimization if this function returns NULL.
Eventually, currently unexpected codegen for computing the malloc's size argument will be supported in
isArrayMalloc() and getMallocArraySize(), extending malloc optimizations to those examples.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15 20:14:52 +00:00
Nick Lewycky
20312d0bb8
Add missing break statements! Thanks to Duncan Sands for pointing this out!
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84191 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15 18:48:58 +00:00
Nick Lewycky
6e9e010752
Teach basicaa about memcpy/memmove/memset. The length argument can be used to
...
improve alias results if constant, and the source pointer can't be modified.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84175 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15 07:11:24 +00:00
Nick Lewycky
2d3820c29c
Teach BasicAA to use the size parameter of the memory use marker intrinsics.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15 06:12:11 +00:00
Nick Lewycky
22c031296c
Take advantage of TargetData when available; we know that the atomic intrinsics
...
only dereference the element they point to directly with no pointer arithmetic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84159 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15 00:36:35 +00:00
Evan Cheng
f0429fd1ca
Clear VisitedPHIs after use.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84080 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-14 06:46:26 +00:00
Evan Cheng
681a33e26d
Another BasicAA fix. If a value does not alias a GEP's base pointer, then it
...
cannot alias the GEP. GEP pointer alias rule states this clearly:
A pointer value formed from a getelementptr instruction is associated with the
addresses associated with the first operand of the getelementptr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-14 06:41:49 +00:00
Evan Cheng
d83c2ca336
More code clean up based on patch feedback.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84074 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-14 05:22:03 +00:00
Evan Cheng
3dbe43b1b5
Change VisitedPHIs into an instance variable that's freed by each alias() call.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84072 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-14 05:05:02 +00:00
Evan Cheng
50a5914e12
Teach basic AA about PHI nodes. If all operands of a phi NoAlias another value than it's safe to declare the PHI NoAlias the value. Ditto for MustAlias.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84038 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 22:02:20 +00:00
Dan Gohman
497f61940a
Compute a full cost value even when a setjmp call is found.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84015 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 20:10:10 +00:00
Dan Gohman
e7f0ed5ace
Split code not specific to Function inlining out into a separate class,
...
named CodeMetrics. Move it to be a non-nested class. Rename RegionInfo
back to FunctionInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84013 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 19:58:07 +00:00
Benjamin Kramer
56bfa4d5d0
Update the other CMake file.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84003 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:50:54 +00:00
Evan Cheng
094f04b429
Refactor some code. No functionality changes.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84000 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:42:04 +00:00
Dan Gohman
e4aeec003f
Move the InlineCost code from Transforms/Utils to Analysis.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83998 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 18:30:07 +00:00
Devang Patel
549e81f7de
"there is not any instruction with attached debug info in this module" does not mean "there is no debug info in this module". :)
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 17:35:35 +00:00
Nick Lewycky
5c9be67cff
Teach BasicAA a little something about the atomic intrinsics: they can only
...
modify through the pointer they're given.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83959 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 07:48:38 +00:00
Victor Hernandez
5c78736f85
Memory dependence analysis was incorrectly stopping to scan for stores to a pointer at bitcast uses of a malloc call.
...
It should continue scanning until the malloc call, and this patch fixes that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83931 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13 01:42:53 +00:00
Dan Gohman
7a721956f8
Revert r83606 and add comments explaining why it isn't safe.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83649 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09 16:35:06 +00:00
Dan Gohman
4db3581a28
Preserve HasNSW and HasNUW when constructing SCEVs for Add and Mul
...
instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83606 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09 00:41:22 +00:00
Dan Gohman
3645b01002
Add the ability to track HasNSW and HasNUW on more kinds of SCEV expressions.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83601 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09 00:10:36 +00:00
Douglas Gregor
c6f520be0d
Update CMake build yet again after a source file was removed
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83575 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08 21:24:34 +00:00
Bill Wendling
26c6cf4cec
It's possible for a global variable to be optimized out of a metadata object. So
...
we should allow a "null" with this dyn_cast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83573 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08 20:52:51 +00:00
Chris Lattner
8ef27511e3
remove LoopVR pass. According to Nick:
...
"LoopVR's logic was copied into ScalarEvolution::getUnsignedRange and
::getSignedRange. Please delete LoopVR."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83531 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08 06:42:44 +00:00
Devang Patel
beab41b874
Extract subprogram and compile unit information from the debug info attached to an instruction.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83491 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07 22:04:08 +00:00
Torok Edwin
4de86fe0d7
Add PR to this FIXME, looks like I didn't commit this change after all.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-07 09:22:55 +00:00
Duncan Sands
ac53a0b272
Introduce and use convenience methods for getting pointer types
...
where the element is of a basic builtin type. For example, to get
an i8* use getInt8PtrTy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-06 15:40:36 +00:00
Evan Phoenix
1614e50d9f
Extend ConstantFolding to understand signed overflow variants
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83338 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 22:53:52 +00:00
Torok Edwin
85c005af0d
Don't treat malloc calls with non-matching prototype as malloc.
...
Fixes second part of PR5130, miscompilation in FreeBSD kernel, where malloc takes 3 params,
and *does* initialize memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83324 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 21:15:43 +00:00
Dan Gohman
c6f69e94fa
Remove an unnnecessary LLVMContext argument in
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ConstantFoldLoadThroughGEPConstantExpr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83311 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 16:36:26 +00:00
Chris Lattner
e65cd40ab9
teach the optimizer how to constant fold uadd/usub intrinsics.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83295 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 05:26:04 +00:00
Chris Lattner
d0806a1519
simplify this code a bunch.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83294 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 05:06:24 +00:00
Chris Lattner
68a0603dc5
code simplifications.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83292 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-05 05:00:35 +00:00
Mike Stump
e4250396ea
Expand api out in the usual inserter way, though, I do have a
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question, can we get rid of the BasicBlock versions of all inserters
and use Head == 0 to indicate the old case when GetInsertBlock == 0?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01 22:08:58 +00:00
Devang Patel
a1434045c3
Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-01 01:15:28 +00:00
Devang Patel
ecbeb1a490
Add isFOO() helpers. Fix getDirectory() and getFilename() for DIScope.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 22:34:41 +00:00
Mike Stump
3e4c9bdb67
Add a way for a frontend to generate more complex dwarf location
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information. This allows arbitrary code involving DW_OP_plus_uconst
and DW_OP_deref. The scheme allows for easy extention to include,
any, or all of the DW_OP_ opcodes. I thought about just exposing all
of them, but, wasn't sure if people wanted the dwarf opcodes exposed
in the api. Is that a layering violation?
With this scheme, the entire existing block scheme used by llvm-gcc
can be switched over to the new scheme. I think that would be
cleaner, as then the compiler specific bits are not present in llvm
proper. Before the old code can be yanked however, similar code in
clang would have to be removed.
Next up, more testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83120 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30 00:08:22 +00:00
Devang Patel
5ccdd10b1a
Remove std::string uses from DebugInfo interface.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83083 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-29 18:40:58 +00:00
Dan Gohman
f3f1be6f06
When extending the operands of an addrec, iterate through all
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the operands, rather than trying to partition them into a start
and a step. This handles non-affine add recurrences correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83011 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 21:01:47 +00:00
Dan Gohman
23aefe5e92
Create a README.txt for lib/Analysis, and add an entry.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 18:38:53 +00:00
Dan Gohman
322b95cd5f
Fix this debug output to handle the case where the loop has been deleted.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 15:40:01 +00:00
Dan Gohman
6d594a9d76
Include the name of the loop header in debug messages.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 15:07:18 +00:00
Dan Gohman
9450b0e1a6
Move the dominator verification code out of special code embedded within
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the PassManager code into a regular verifyAnalysis method.
Also, reorganize loop verification. Make the LoopPass infrastructure
call verifyLoop as needed instead of having LoopInfo::verifyAnalysis
check every loop in the function after each looop pass. Add a new
command-line argument, -verify-loop-info, to enable the expensive
full checking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 00:27:48 +00:00
Dan Gohman
f3f0c89f5f
Move this assert to check the condition as soon as it is known.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 00:10:28 +00:00
Dan Gohman
5c12adaa8b
Extend the StartPassTimer and StopPassTimer functions so that the
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code that stops the timer doesn't have to search to find the timer
object before it stops the timer. This avoids a lock acquisition
and a few other things done with the timer running.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28 00:07:05 +00:00
Dan Gohman
1edaef62a4
Fix an old copy+pasto.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82947 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 23:52:07 +00:00
Dan Gohman
3069b3193d
Extract the code for inserting a loop into the loop queue into
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a separate function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 23:49:43 +00:00
Dan Gohman
9702901a1e
When a loop is deleted, immediately release all of the active
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LoopPasses for that loop. This avoids trouble with the PassManager
trying to call verifyAnalysis on them, and frees up some memory
sooner rather than later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82945 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 23:43:07 +00:00
Dan Gohman
630c84a685
Delete a bogus comment.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 17:50:44 +00:00
Dan Gohman
83d577490b
Fix SCEVExpander's canonical addrec expansion code to work on loops that
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aren't in canonical loop-simplify form, since it doesn't itself depend
on LoopSimplify. This means handling loops without preheaders and loops
with multiple backedges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82905 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 17:46:40 +00:00
Dan Gohman
00cb67359f
Instead of testing whether an instruction dominates the loop preheader,
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test whether it properly dominates the loop header. This is equivalent
when the loop has a preheader, and has the advantage of working when
the loop doesn't have a preheader. Since IVUsers doesn't Require
LoopSimplify, the loop isn't guaranteed to have a preheader.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 15:30:00 +00:00
Dan Gohman
6e70e31810
Add a properlyDominates member function to ScalarEvolution.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 15:26:03 +00:00
Dan Gohman
59faf04a5d
Remove a redundant #include.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82897 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-27 15:21:52 +00:00
Dan Gohman
c70c37794f
Fix a case where ScalarEvolution was expanding pointer arithmetic
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to inttoptr/ptrtoint unnecessarily.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82864 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-26 16:11:57 +00:00
Dale Johannesen
9d06175a15
Handle sqrt in CannotBeNegativeZero. absf and absl
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appear to be misspellings, removed in favor of fabs*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82796 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-25 20:54:50 +00:00
Victor Hernandez
60cfc03379
No need to verify that malloc's return type is i8*.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-22 18:50:03 +00:00
Daniel Dunbar
48a097bfb6
Switch DIDescriptor to use a TrackingVH. - This makes it much safer to work with debug info, since it was extraordinarily easy to have dangling pointers thanks to MDNode uniquing.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82507 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-22 02:03:18 +00:00
Chris Lattner
66364346e0
Revert r82404, it is causing a bootstrap miscompile. This is very very
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scary, as it indicates a lurking bug. yay.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82411 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 22:44:26 +00:00
Chris Lattner
386251341f
improve memdep to eliminate bitcasts (and aliases, and noop geps)
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early for the stated reasons: this allows it to find more
equivalences and depend less on code layout.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82404 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 21:00:18 +00:00
Daniel Dunbar
a279bc3da5
Tabs -> spaces, and remove trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82355 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-20 02:20:51 +00:00
Daniel Dunbar
f612ff6cfb
Strip trailing whitespace.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82332 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 20:40:05 +00:00
Nick Lewycky
c2fc1fec6c
Add a comment explaining why you would ever want to do this.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82319 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 19:00:06 +00:00
Nick Lewycky
875646f376
Lett users of sparse propagation do their own thing with phi nodes if they want
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to. This can be combined with LCSSA or SSI form to store more information on a
PHINode than can be computed by looking at its incoming values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82317 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 18:33:36 +00:00
Duncan Sands
ad38936781
The flag "--dot-cfg-only" is at the moment equivalent to the flag "--dot-cfg".
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It prints the content of all bbs, instead of printing empty bbs to make the
CFG more readable. Fix this. Patch by Tobias Grosser.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82315 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-19 11:25:44 +00:00
Victor Hernandez
46e8312fb7
Enhance analysis passes so that they apply the same analysis to malloc calls as to MallocInst.
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Reviewed by Eli Friedman.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-18 21:34:51 +00:00