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292 Commits

Author SHA1 Message Date
Ken Dyck
496906629b Convert the offsets in VCallOffsetMap to CharUnits. No change in 
functionality intended.

llvm-svn: 128753
 2011-04-02 00:51:15 +00:00
Ken Dyck
eff7fe645b Convert offset parameters of VTableBuilder::IsOverriderUsed() to CharUnits. 
No change in functionality intended.

llvm-svn: 128752
 2011-04-02 00:44:58 +00:00
Ken Dyck
4680e9219a Convert the return value of 
VCallAndVBaseOffsetBuilder::getCurrentOffsetOffset() to CharUnits. No change
in functionality intended.

llvm-svn: 128603
 2011-03-31 01:08:46 +00:00
Ken Dyck
47e1e54343 Convert the OffsetInLayoutClass parameter of 
VCallAndVBaseOffsetBuilder::AddVBaseOffsets() to CharUnits. No change in
functionality intended.

llvm-svn: 128600
 2011-03-31 00:56:47 +00:00
Ken Dyck
1a93b3b080 Convert the OffsetInLayoutClass of the VCallAndVBaseOffsetBuilder 
constructor to CharUnits. No change in functionality intended.

llvm-svn: 128598
 2011-03-31 00:48:04 +00:00
Ken Dyck
9b32ee1611 Convert the RealBaseOffset parameter of 
VCallAndVBaseOffsetBuilder::AddVCallAndVBaseOffsets() to
CharUnits. No change in functionality intended.

llvm-svn: 128596
 2011-03-31 00:37:24 +00:00
Jay Foad
20c0f02cc5 Remove PHINode::reserveOperandSpace(). Instead, add a parameter to 
PHINode::Create() giving the (known or expected) number of operands.

llvm-svn: 128538
 2011-03-30 11:28:58 +00:00
Ken Dyck
b3ba775523 Convert the offset parameter of 
VCallAndVBaseOffsetBuilder::AddVCallOffsets() to CharUnits. No change in
functionality intended.

llvm-svn: 128531
 2011-03-30 10:11:40 +00:00
Ken Dyck
075de167f8 Convert local offset variable to CharUnits in AddVCallOffsets. No change in 
functionality intended.

llvm-svn: 128522
 2011-03-30 01:21:33 +00:00
Ken Dyck
078f3e6905 Convert a local offset variable to CharUnits. No change in functionality 
intended.

llvm-svn: 128521
 2011-03-30 01:14:22 +00:00
Ken Dyck
032a903982 Convert the OffsetInLayoutClass parameter of DeterminePrimaryVirtualBases() 
to CharUnits. No change in functionality intended.

llvm-svn: 128520
 2011-03-30 01:10:23 +00:00
Ken Dyck
45956a467e Convert the OffsetInLayoutClass parameter of LayoutSecondaryVTables to 
CharUnits. No change in functionality intended.

llvm-svn: 128516
 2011-03-30 00:50:28 +00:00
Ken Dyck
f9742cca31 Convert offset parameter in LayoutPrimaryAndSecondaryVTables() to CharUnits. 
No change in functionality intended.

llvm-svn: 128393
 2011-03-27 20:33:38 +00:00
Ken Dyck
9a7e532dd8 Convert VTableBuilder::MostDerivedClassOffset to CharUnits. No change in 
functionality intended.

llvm-svn: 128392
 2011-03-27 20:20:28 +00:00
Ken Dyck
0d5804a622 Convert FinalOverriders::MostDerivedClassOffset to CharUnits. No change in 
functionality intended.

llvm-svn: 128391
 2011-03-27 20:10:29 +00:00
Ken Dyck
5f3601d35a Remove a fixed FIXME comment (the base offset has already been converted to 
CharUnits).

llvm-svn: 128386
 2011-03-27 19:19:52 +00:00
Ken Dyck
f4be03ae04 Convert the offset parameters of AddMethods() to CharUnits. No change in 
functionality intended.

llvm-svn: 128385
 2011-03-27 19:15:11 +00:00
Ken Dyck
f736d9cb75 Convert the BaseOffsetInLayoutClass parameter of ComputeThisAdjustment() to 
CharUnits. No change in functionality intended.

llvm-svn: 128384
 2011-03-27 19:03:44 +00:00
Ken Dyck
7d876f3649 Convert offset members in MethodInfo to CharUnits. No change in 
functionality intended.

llvm-svn: 128383
 2011-03-27 18:57:53 +00:00
John McCall
358d056c14 We were emitting construction v-tables with internal linkage all the time. 
Emit them instead with the linkage of the VTT.

I'm actually really ambivalent about this;  it's what GCC does, but outside
of improving code size (if the linkage is coalescing), I'm not sure it's
at all relevant.  Construction vtables are naturally referenced only by the
VTT, which is itself only referenced by complete-object constructors and
destructors;  giving the construction vtables possibly-external linkage is
important if you have an optimization that drills through the VTT to a
reference to a particular construction vtable which it cannot just emit
itself.

llvm-svn: 128374
 2011-03-27 09:00:25 +00:00
Douglas Gregor
1baf38f5a6 On Mac OS X, the presence of an 'availability' attribute for that 
platform implies default visibility. To achieve these, refactor our
lookup of explicit visibility so that we search for both an explicit
VisibilityAttr and an appropriate AvailabilityAttr, favoring the
VisibilityAttr if it is present.

llvm-svn: 128336
 2011-03-26 12:10:19 +00:00
Ken Dyck
58863dc46a Convert the OffsetInLayoutClass parameter of 
FinalOverriders::ComputeBaseOffsets() to CharUnits. No change in
functionality intended.

llvm-svn: 128323
 2011-03-26 01:36:26 +00:00
Ken Dyck
785cbdb6da Convert FinalOverriders::Offset to CharUnits. No change in functionality 
intended.

llvm-svn: 128321
 2011-03-26 01:29:16 +00:00
Ken Dyck
808457cfd6 Convert offset in MethodBaseOffsetPairTy to CharUnits. No change in 
functionality intended.

llvm-svn: 128318
 2011-03-26 01:18:17 +00:00
Ken Dyck
70b47e08dc Convert the offsets in SubobjectOffsetMapTy to CharUnits. No change in 
functionality intended.

llvm-svn: 128317
 2011-03-26 01:09:13 +00:00
Ken Dyck
ce81203d9b Convert several local variables to CharUnits. No change in functionality 
intended.

llvm-svn: 128315
 2011-03-26 00:51:24 +00:00
Ken Dyck
16ffcac1a2 Convert the BaseOffset member of BaseSubobject to CharUnits from bits. No 
change in functionality intended.

llvm-svn: 128190
 2011-03-24 01:21:01 +00:00
John McCall
32ea969415 Use a slightly more semantic interface for emitting call arguments. 
llvm-svn: 127494
 2011-03-11 20:59:21 +00:00
John McCall
5fe009660d Tame this assert, hopefully fixing self-host. 
llvm-svn: 127319
 2011-03-09 07:12:35 +00:00
John McCall
a738c25f5e Use the "undergoes default argument promotion" bit on parameters to 
simplify the logic of initializing function parameters so that we don't need
both a variable declaration and a type in FunctionArgList.  This also means
that we need to propagate the CGFunctionInfo down in a lot of places rather
than recalculating it from the FAL.  There's more we can do to eliminate
redundancy here, and I've left FIXMEs behind to do it.

llvm-svn: 127314
 2011-03-09 04:27:21 +00:00
Tilmann Scheller
99cc30c371 Revert "Add CC_Win64ThisCall and set it in the necessary places." 
This reverts commit 126863.

llvm-svn: 126886
 2011-03-02 21:36:49 +00:00
Tilmann Scheller
e60baf731b Revert "Add preliminary support for MSVC-style vtables." 
This reverts commit 126865.

llvm-svn: 126876
 2011-03-02 20:40:50 +00:00
Tilmann Scheller
a6c995dbb2 Add preliminary support for MSVC-style vtables. 
llvm-svn: 126865
 2011-03-02 19:38:28 +00:00
Tilmann Scheller
454464b491 Add CC_Win64ThisCall and set it in the necessary places. 
llvm-svn: 126863
 2011-03-02 19:36:23 +00:00
Rafael Espindola
3968cd0f7b For consistency, use llvm::raw_ostream in the rest of the mangle api. 
llvm-svn: 125360
 2011-02-11 02:52:17 +00:00
John McCall
ad7c5c1657 Reorganize CodeGen{Function,Module} to eliminate the unfortunate 
Block{Function,Module} base class.  Minor other refactorings.

Fixed a few address-space bugs while I was there.

llvm-svn: 125085
 2011-02-08 08:22:06 +00:00
Anders Carlsson
e866d44417 Fix self-host; if a thunk already exists and has available_externally linkage, we should change its linkage instead of asserting. 
llvm-svn: 124986
 2011-02-06 20:09:44 +00:00
Anders Carlsson
8b02183ff3 When building with optimizations, emit thunks with available_externally linkage so devirtualized function calls can also be de-thunked. 
llvm-svn: 124984
 2011-02-06 18:31:40 +00:00
Anders Carlsson
fe8a9939f9 Simplify thunks code. 
llvm-svn: 124983
 2011-02-06 17:15:43 +00:00
Anders Carlsson
73f97534b0 Pass a 'ForVTable' flag to GetAddrOfThunk and pass it along to GetOrCreateLLVMFunction so that we 
won't assert when building a thunk for an implicit virtual member function that is not marked used.

llvm-svn: 124967
 2011-02-05 18:48:55 +00:00
Anders Carlsson
3c23948481 Re-land r124768, with a fix for PR9130. 
We now emit everything except unused implicit virtual member functions when building the vtable.

llvm-svn: 124935
 2011-02-05 04:35:53 +00:00
Rafael Espindola
af5b92e8f7 Revert 124768. 
This reopens PR99114, but that one at least can be avoided with an #include.
PR9130 cannot.

llvm-svn: 124780
 2011-02-03 06:30:58 +00:00
Anders Carlsson
bac84bef65 Don't try to mark virtual members referenced for classes where the key function 
is not defined in the current translation unit. Doing so lead to compile errors
such as PR9114.

Instead, when CodeGen is building the vtable, don't try to emit a definition
for functions that aren't marked used in the current translation unit.
Fixes PR9114.

llvm-svn: 124768
 2011-02-03 02:08:44 +00:00
Anders Carlsson
a03f3a85cb When building with optimizations, emit vtables where the key is not in the 
current translation unit as available_externally. 

This helps devirtualize the second example in PR3100, comment 18:

struct S { S() {}; virtual void xyzzy(); };
inline void foo(S *s) { s->xyzzy(); }
void bar() { S s; foo(&s); }

This involved four major changes:

1. In DefineUsedVTables, always mark virtual member functions as referenced for
   non-template classes and class template specializations.
2. In CodeGenVTables::ShouldEmitVTableInThisTU return true if optimizations are
   enabled, even if the key function is not implemented in this translation 
   unit. We don't ever do this for code compiled with -fapple-kext, because we
   don't ever want to devirtualize virtual member function calls in that case.
3. Give the correct linkage for vtables where the key function is not defined.
4. Update the linkage for RTTI structures when necessary.

llvm-svn: 124565
 2011-01-30 20:45:54 +00:00
Anders Carlsson
265aa7c070 Change CodeGenModule::setTypeVisibility to take a TypeVisibilityKind enum instead of an "IsForRTTI" flag. 
llvm-svn: 124546
 2011-01-29 20:24:48 +00:00
Anders Carlsson
c6a47895f7 Get rid of an unneeded parameter from setGlobalVisibility. 
llvm-svn: 124541
 2011-01-29 19:39:23 +00:00
Anders Carlsson
883fc72c3c Make emitting a VTT a two-step process, much like emitting a VTable. You first get the address of the VTT, and then pass it to EmitVTTDefinition. 
llvm-svn: 124539
 2011-01-29 19:16:51 +00:00
Anders Carlsson
93be9a90cc Use CGM.CreateOrReplaceCXXRuntimeVariable in CGVTables.cpp 
llvm-svn: 124538
 2011-01-29 18:25:07 +00:00
Anders Carlsson
fd4834061c Remove IsDefinition from CodeGenModule::setTypeVisibility; it is always true. 
llvm-svn: 124529
 2011-01-29 05:26:32 +00:00
Fariborz Jahanian
9f9438b314 More work to support -fapple-kext regarding 
indirect vf calls and addition of extra entry
at bottom of vtbls.

llvm-svn: 124507
 2011-01-28 23:42:29 +00:00