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163 Commits

Author SHA1 Message Date
Chris Lattner 4c8da96ea9 fix PR4423. 
llvm-svn: 73938
 2009-06-23 01:38:41 +00:00
Douglas Gregor 78bd61f661 Move the static DeclAttrs map into ASTContext. Fixes <rdar://problem/6983177>. 
llvm-svn: 73702
 2009-06-18 16:11:24 +00:00
Chris Lattner 4ca97c3b9e Fix PR4372, another case where non-prototyped functions can prevent 
always_inline from working.

llvm-svn: 73273
 2009-06-13 00:26:38 +00:00
Anton Korobeynikov 18adbf5f07 Add new ABIArgInfo kind: Extend. This allows target to implement its own argument 
zero/sign extension logic (consider, e.g. target has only 64 bit registers and thus
i32's should be extended as well).

llvm-svn: 72998
 2009-06-06 09:36:29 +00:00
Anton Korobeynikov 244360d62b Factor out TargetABIInfo stuff into separate file. No functionality change. 
llvm-svn: 72962
 2009-06-05 22:08:42 +00:00
Devang Patel 9e24386c65 Set function Attribute::NoImplicitFloat appropriately. 
llvm-svn: 72961
 2009-06-05 22:05:48 +00:00
Daniel Dunbar 4be99ff767 ABI handling: Fix nasty thinko where IRgen could generate an out-of-bounds read 
when generating a coercion for ABI handling purposes.
 - This may only manifest itself when building at -O0, but the practical effect
   is that other arguments may get clobbered.

 - <rdar://problem/6930451> [irgen] ABI coercion clobbers other arguments

llvm-svn: 72932
 2009-06-05 07:58:54 +00:00
Devang Patel 6e467b1a46 Set function attribute llvm::Attribute::NoRedZone appropriately. 
llvm-svn: 72902
 2009-06-04 23:32:02 +00:00
Daniel Dunbar 1518b64ddc When trying to pass an argument on the stack, assume LLVM will do the right 
thing for non-aggregate types.
 - Otherwise we unnecessarily pin values to the stack and currently end up
   triggering a backend bug in one case.

 - This loose cooperation with LLVM to implement the ABI is pretty ugly.

 - <rdar://problem/6918722> [irgen] clang miscompile of many pointer varargs on
   x86-64

llvm-svn: 72419
 2009-05-26 16:37:37 +00:00
Daniel Dunbar 499f3f9c5d x86_64 ABI: Account for sret parameters consuming an integer register. 
- PR4242.

llvm-svn: 72268
 2009-05-22 17:33:44 +00:00
Torok Edwin 5b34933b90 Set correct calling convention even if there is a bitcast in the way. 
This attempts to fix PR4239.

llvm-svn: 72251
 2009-05-22 07:25:06 +00:00
Jay Foad 7d0479f2c2 Use v.data() instead of &v[0] when SmallVector v might be empty. 
llvm-svn: 72210
 2009-05-21 09:52:38 +00:00
Anders Carlsson 6f5a015bd9 Add EmitReferenceBindingToExpr. Have EmitCallArg use it for now. Doesn't support anything but at least we don't crash ;) 
llvm-svn: 72147
 2009-05-20 00:24:07 +00:00
Anders Carlsson 8370964257 Pass the destination QualType to EmitStoreOfScalar. No functionality change. 
llvm-svn: 72118
 2009-05-19 18:50:41 +00:00
Eli Friedman cec35d7e6a Clean up some unnecessary includes. 
llvm-svn: 72101
 2009-05-19 04:30:57 +00:00
Mike Stump 18bb9284ff Reflow some comments. 
llvm-svn: 71937
 2009-05-16 07:57:57 +00:00
Daniel Dunbar ffdb8439d7 ABI handling: Fix invalid assertion, it is possible for a valid 
coercion to be specified which truncates padding bits. It would be
nice to still have the assert, but we don't have any API call for the
unpadding size of a type yet.

llvm-svn: 71695
 2009-05-13 18:54:26 +00:00
Chris Lattner bea5b622be static methods don't get this pointers. 
llvm-svn: 71586
 2009-05-12 20:27:19 +00:00
Daniel Dunbar bbfd054746 Darwin x86-32 ABI: Now that structure passing is farther along, we 
don't need special treatment for unions.

llvm-svn: 71559
 2009-05-12 17:00:20 +00:00
Daniel Dunbar 203e2e8dd8 x86-64 ABI: clang incorrectly passes union { long double, float } in 
register.
 - Merge algorithm was returning MEMORY as it should.

llvm-svn: 71556
 2009-05-12 15:22:40 +00:00
Daniel Dunbar 097353cbb5 Darwin x86-32: Multi-dimensional arrays were not handled correctly, 
spotted by Eli!

llvm-svn: 71490
 2009-05-11 23:01:34 +00:00
Daniel Dunbar 2ce6b3f91c Darwin x86_32: Treat records with unnamed bit-fields as "empty". 
llvm-svn: 71461
 2009-05-11 18:58:49 +00:00
Duncan Sands c76fe8b611 Correct for renaming PaddedSize -> AllocSize in 
LLVM.

llvm-svn: 71350
 2009-05-09 07:08:47 +00:00
Daniel Dunbar b997f3bcc3 x86_64 ABI: Ignore padding bit-fields during classification. 
- {return-types,single-args}-{32,64} pass the first 1k ABI tests with
   bit-fields enabled.

llvm-svn: 71272
 2009-05-08 22:26:44 +00:00
Daniel Dunbar 4752783057 Darwin x86_32: When coercing a "single element" structure, make sure 
to use a wide enough type. This might be wider than the "single
element"'s type in the presence of padding bit-fields.
 - Darwin x86_32 now passes the first 1k ABI tests with bit-field
   generation enabled.

llvm-svn: 71270
 2009-05-08 21:30:11 +00:00
Daniel Dunbar fdda3501a0 Darwin x86_32: Ignore padding bit-fields when looking for "single 
element" structures.

llvm-svn: 71266
 2009-05-08 21:04:47 +00:00
Daniel Dunbar 4861346c44 Darwin x86_32: Improve bit-field handling for returning records. 
- This turns out to be a no-op now that most of the handling for
   everything else is in place.

llvm-svn: 71261
 2009-05-08 20:55:49 +00:00
Daniel Dunbar 85f4028f2e Darwin x86_32: Ignore arrays of empty structures inside records. 
- This eliminates 5/1000 failures on return-types-32, on the current
   ABITest config.

llvm-svn: 71250
 2009-05-08 20:21:04 +00:00
Chris Lattner b822fad20f fix i128 to return in 2 64-bit registers (rax/rdx on x86-64) 
llvm-svn: 70481
 2009-04-30 06:22:07 +00:00
Chris Lattner f122cef4df initial support for __[u]int128_t, which should be basically 
compatible with VC++ and GCC.  The codegen/mangling angle hasn't
been fully ironed out yet.  Note that we accept int128_t even in
32-bit mode, unlike gcc.

llvm-svn: 70464
 2009-04-30 02:43:43 +00:00
Daniel Dunbar 01910a50c4 x86-32 ABI: Fix crash on return of structure with flexible array 
member.

Also, spell bitfield more consistently as bit-field.

llvm-svn: 70220
 2009-04-27 18:31:32 +00:00
Eli Friedman 1c4a175aef Remove getIntegerConstantExprValue in favor of using EvaluateAsInt. 
llvm-svn: 70145
 2009-04-26 19:19:15 +00:00
Sanjiv Gupta 4c5dfd3c45 Pass and return aggregate types directly to function calls. 
llvm-svn: 69668
 2009-04-21 06:01:16 +00:00
Anders Carlsson 603d6aff8b Make CodeGenFunction::EmitCallArgs a template function that takes a generic "Type Info" parameter. The type info parameter knows how to iterate over its arguments. 
llvm-svn: 69469
 2009-04-18 20:20:22 +00:00
Daniel Dunbar 4184ac847f Update to use hasAttr() instead of getAttr(). 
- No functionality change.

llvm-svn: 68987
 2009-04-13 21:08:27 +00:00
Daniel Dunbar 8c920c9220 Don't set both readnone and readonly. 
llvm-svn: 68833
 2009-04-10 22:14:52 +00:00
Douglas Gregor bcced4ec31 Propagate the ASTContext to various AST traversal and lookup functions. 
No functionality change (really).

llvm-svn: 68726
 2009-04-09 21:40:53 +00:00
Anders Carlsson 60ce3fe140 Add code for emitting call arguments (not used yet). 
llvm-svn: 68639
 2009-04-08 20:47:54 +00:00
Anders Carlsson a60cbcdfe6 Don't assume that a block always has a FunctionProtoType. Fixes rdar://6768379. 
llvm-svn: 68583
 2009-04-08 02:55:55 +00:00
Anders Carlsson 6f811f149b Add a getFunctionInfo that takes a BlockPointerType. 
llvm-svn: 68452
 2009-04-06 18:05:26 +00:00
Anton Korobeynikov c847824e8e Basic support for regparm codegen 
llvm-svn: 68414
 2009-04-04 00:49:24 +00:00
Anders Carlsson b15b55c2d0 Add a getFunctionInfo that takes a CXXMethodDecl. 
llvm-svn: 68411
 2009-04-03 22:48:58 +00:00
Daniel Dunbar e80bd1897c x86-32 Darwin ABI: Handle small structures correctly. 
- Small structures are returned in a register if: 
    1. They fit nicely in a  register.
    2. All fields fit nicely in a register.
   (more or less)

 - We now pass the first 5000 ABITests if unions are disabled.

 - <rdar://problem/6497882> [irgen] x86-32 ABI compatibility with
   small structs

llvm-svn: 68197
 2009-04-01 07:45:00 +00:00
Daniel Dunbar 58e2971bb0 x86-32 Darwin ABI: Single element arrays can be part of "single 
element structures", which have different ABI rules.
 - Current return-arguments-32 status is: 1 out of 1000 failures (-7)

 - Also, vectors inside "single element structs" require special
   handling.

llvm-svn: 68196
 2009-04-01 07:08:38 +00:00
Daniel Dunbar cd76e673eb x86-32 Darwin ABI: Handle direct return of vectors. 
- Current return-arguments-32 status is: 8 out of 1000 failures (-7)

llvm-svn: 68192
 2009-04-01 06:13:08 +00:00
Daniel Dunbar 35579146aa x86_32 Darwin ABI: Treat empty unions like empty structures. 
- Current return-arguments-32 status: 15/1000 failures

llvm-svn: 68132
 2009-03-31 19:01:39 +00:00
Eli Friedman bbcf49e410 Initial implementation of ARM ABI. Mostly untested. Note that I'm not 
really intending to take ownership of this; I wrote this mostly because 
I was curious about how the ARM ABI works.  It should be a decent start, 
though.

llvm-svn: 67969
 2009-03-29 00:15:25 +00:00
Eli Friedman 2dc5f29ff2 Fix the ABI convention for struct returns on x86 outside of Darwin. 
llvm-svn: 67577
 2009-03-23 23:26:24 +00:00
Chris Lattner e09ad90882 don't set the name of a call instruction to "call" in release-asserts 
build.  This shaves another 3% off.

llvm-svn: 67460
 2009-03-22 00:32:22 +00:00
Daniel Dunbar c230443178 PR3835: Interaction with ABI structure passing can inhibit 
readnone/readonly attributes.

llvm-svn: 67224
 2009-03-18 19:51:01 +00:00