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Commit Graph

69 Commits

Author SHA1 Message Date
Nick Lewycky
708df45c84 Teach LazyValueInfo that allocas aren't NULL. Over all of llvm-test, this saves
half a million non-local queries, each of which would otherwise have triggered a
linear scan over a basic block.

Also fix a fixme for memory intrinsics which dereference pointers. With this,
we prove that a pointer is non-null because it was dereferenced by an intrinsic
112 times in llvm-test.

llvm-svn: 123533
2011-01-15 09:16:12 +00:00
Chris Lattner
0ec89ea5d9 remove the pointless check of MemoryUseIntrinsic from
is trivially dead, since these have side effects.  This makes the
(misnamed) MemoryUseIntrinsic class dead, so remove it.

llvm-svn: 120382
2010-11-30 02:03:47 +00:00
Duncan Sands
67159c80d8 Add convenience class for working with eh.exception calls.
llvm-svn: 112698
2010-09-01 09:26:00 +00:00
Gabor Greif
a1f9f82eb5 fit in 80 columns
llvm-svn: 109108
2010-07-22 14:13:14 +00:00
Gabor Greif
e82ec778a2 use ArgOperand API
llvm-svn: 107144
2010-06-29 16:01:30 +00:00
Dan Gohman
0b5b93b20d Eliminate unnecessary uses of getZExtValue().
llvm-svn: 106279
2010-06-18 14:22:04 +00:00
Eric Christopher
e78496e5f1 Revert 101465, it broke internal OpenGL testing.
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.

llvm-svn: 101579
2010-04-16 23:37:20 +00:00
Gabor Greif
e7d6812008 reapply r101434
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
2010-04-16 15:33:14 +00:00
Gabor Greif
cd116e8c6a back out r101423 and r101397, they break llvm-gcc self-host on darwin10
llvm-svn: 101434
2010-04-16 01:16:20 +00:00
Gabor Greif
2e18d34d80 reapply r101364, which has been backed out in r101368
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
2010-04-15 20:51:13 +00:00
Gabor Greif
6022150477 back out r101364, as it trips the linux nightlybot on some clang C++ tests
llvm-svn: 101368
2010-04-15 12:46:56 +00:00
Gabor Greif
428ca23bbd rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101364
2010-04-15 10:49:53 +00:00
Dan Gohman
a5a1f2f8d0 Remove a const here. This makes this function consistent with all the
other getOperand wrappers, and it makes it easier to use with DebugInfo
code, which isn't currently prepared to see const MDNode *.

llvm-svn: 101299
2010-04-14 22:23:05 +00:00
Mon P Wang
484bbe6aa9 Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100304
2010-04-04 03:10:48 +00:00
Mon P Wang
0ccf050ca3 Revert r100191 since it breaks objc in clang
llvm-svn: 100199
2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100191
2010-04-02 18:04:15 +00:00
Bob Wilson
aae933cc81 Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
llvm-svn: 99948
2010-03-30 22:27:04 +00:00
Mon P Wang
9351ea594a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.

llvm-svn: 99928
2010-03-30 20:55:56 +00:00
Victor Hernandez
c1b5223e76 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast).
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.
It also strips old llvm.dbg.declare intrinsics that did not pass metadata as the first argument.

llvm-svn: 93531
2010-01-15 19:04:09 +00:00
Victor Hernandez
97d7107d5e Revert r93504 because older uses of llvm.dbg.declare intrinsics need to be auto-upgraded
llvm-svn: 93515
2010-01-15 17:36:47 +00:00
Victor Hernandez
aee71b4e81 Improve llvm.dbg.declare intrinsic by referring directly to the storage in its first argument, via function-local metadata (instead of via a bitcast).
This patch also cleans up code that expects there to be a bitcast in the first argument and testcases that call llvm.dbg.declare.

llvm-svn: 93504
2010-01-15 03:37:48 +00:00
Victor Hernandez
832bd4fd2d Respond to Chris' review:
Make InsertDbgValueIntrinsic() and get Offset take and recieve a uint64_t.
Get constness correct for getVariable() and getValue().

llvm-svn: 93149
2010-01-11 07:45:19 +00:00
Chris Lattner
48618eeec3 convert various IntrinsicInst's to use class instead of struct.
llvm-svn: 92681
2010-01-05 05:21:26 +00:00
Devang Patel
3b08c33f33 Remove dead debug info intrinsics.
Intrinsic::dbg_stoppoint
 Intrinsic::dbg_region_start 
 Intrinsic::dbg_region_end 
 Intrinsic::dbg_func_start
AutoUpgrade simply ignores these intrinsics now.

llvm-svn: 92557
2010-01-05 01:10:40 +00:00
Chris Lattner
8e4ab636ed Remove #include of metadata.h from intrinsicinst.h. The only
method that needs it (DbgValueInst::getValue) has been moved out
of line.

llvm-svn: 92323
2009-12-31 01:32:41 +00:00
Chris Lattner
c12382b7c8 rename "elements" of metadata to "operands". "Elements" are
things that occur in types.  "operands" are things that occur
in values.

llvm-svn: 92322
2009-12-31 01:22:29 +00:00
Victor Hernandez
2a16652946 Introduce the "@llvm.dbg.value" debug intrinsic.
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
2009-12-07 19:36:34 +00:00
Duncan Sands
f0d9823d0b Don't trivially delete unused calls to llvm.invariant.start. This allows
llvm.invariant.start to be used without necessarily being paired with a call
to llvm.invariant.end.  If you run the entire optimization pipeline then such
calls are in fact deleted (adce does it), but that's actually a good thing since
we probably do want them to be zapped late in the game.  There should really be
an integration test that checks that the llvm.invariant.start call lasts long
enough that all passes that do interesting things with it get to do their stuff
before it is deleted.  But since no passes do anything interesting with it yet
this will have to wait for later.

llvm-svn: 86840
2009-11-11 15:34:13 +00:00
Bill Wendling
58923e365d Don't put in these EH changes.
llvm-svn: 85460
2009-10-29 00:37:35 +00:00
Bill Wendling
784d38511f Reverting r85338 for now. It's causing a bootstrap failure on PPC darwin9.
--- Reverse-merging r85338 into '.':
U    lib/CodeGen/SimpleRegisterCoalescing.cpp
U    lib/CodeGen/SimpleRegisterCoalescing.h

llvm-svn: 85454
2009-10-29 00:22:16 +00:00
Duncan Sands
4fcf6123dd I don't see any point in having both eh.selector.i32 and eh.selector.i64,
so get rid of eh.selector.i64 and rename eh.selector.i32 to eh.selector.
Likewise for eh.typeid.for.  This aligns us with gcc, which always uses a
32 bit value for the selector on all platforms.  My understanding is that
the register allocator used to assert if the selector intrinsic size didn't
match the pointer size, and this was the reason for introducing the two
variants.  However my testing shows that this is no longer the case (I
fixed some bugs in selector lowering yesterday, and some more today in the
fastisel path; these might have caused the original problems).

llvm-svn: 84106
2009-10-14 16:11:37 +00:00
Devang Patel
fbaeda732e Reapply 79977.
Use MDNodes to encode debug info in llvm IR.

llvm-svn: 80406
2009-08-28 23:24:31 +00:00
Devang Patel
10c075a316 Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.
llvm-svn: 80073
2009-08-26 05:01:18 +00:00
Devang Patel
7d42bfab6c Update DebugInfo interface to use metadata, instead of special named llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well.
This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!)

llvm-svn: 79977
2009-08-25 05:24:07 +00:00
Owen Anderson
98aa906e73 A little bit more LLVMContextification.
llvm-svn: 75159
2009-07-09 18:36:20 +00:00
Chris Lattner
e367477979 change the MemIntrinsic get/setAlignment method to take an unsigned
instead of a Constant*, which is what the clients of it really want.

llvm-svn: 66364
2009-03-08 03:59:00 +00:00
Chris Lattner
f827ae4fa5 Introduce a new MemTransferInst pseudo class, which is a common
parent between MemCpyInst and MemMoveInst, simplify some code to
use it.

llvm-svn: 66361
2009-03-08 03:37:16 +00:00
Chris Lattner
08bdf9dfab reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an
arbitrary integer width for the count.

llvm-svn: 59823
2008-11-21 16:42:48 +00:00
Bill Wendling
4c5afef830 Revert r59802. It was breaking the build of llvm-gcc:
g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic'
make[3]: *** [llvm-convert.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2

llvm-svn: 59809
2008-11-21 09:09:41 +00:00
Sanjiv Gupta
89a7e67578 Make mem[cpy,move,set] intrinsics overloaded.
llvm-svn: 59802
2008-11-21 07:49:09 +00:00
Dan Gohman
3ee4edfe9c Split the SelectionDAG-building code, including the FunctionLoweringInfo
and SelectionDAGLowering classes, out of SelectionDAGISel.cpp and put
it in a separate file, SelectionDAGBuild.cpp.

llvm-svn: 55701
2008-09-03 16:12:24 +00:00
Evan Cheng
2005804de6 - Re-apply 52748 and friends with fix. GetConstantStringInfo() returns an empty string for ConstantAggregateZero case which surprises selectiondag.
- Correctly handle memcpy from constant string which is zero-initialized.

llvm-svn: 52891
2008-06-30 07:31:25 +00:00
Anton Korobeynikov
6f260767ec Revert (52748 and friends):
Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

llvm-svn: 52884
2008-06-29 17:57:03 +00:00
Eric Christopher
4f05c48718 Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

llvm-svn: 52748
2008-06-26 00:31:12 +00:00
Anton Korobeynikov
ddb93e7a02 Turn StripPointerCast() into a method
llvm-svn: 50836
2008-05-07 22:54:15 +00:00
Anton Korobeynikov
90ee6d6616 Make StripPointerCast a common function (should we mak it method of Value instead?)
llvm-svn: 50775
2008-05-06 22:52:30 +00:00
Dan Gohman
a84b75df17 Remove uses of llvm/System/IncludeFile.h that are no longer needed.
llvm-svn: 50695
2008-05-06 01:32:53 +00:00
Chris Lattner
e0b1ee937a Don't attribute in file headers anymore. See llvmdev for the
discussion of this change.  Boy are my fingers tired. ;-)

llvm-svn: 45411
2007-12-29 19:59:42 +00:00
Chris Lattner
825404d39d remove some dead code.
llvm-svn: 44757
2007-12-10 01:51:38 +00:00
Gordon Henriksen
a18a78e6e5 Devirtualizing Value destructor (PR889). Patch by Pawel Kunio!
llvm-svn: 44747
2007-12-09 22:46:10 +00:00