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path: root/lib/CodeGen/TargetInfo.cpp
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2012-02-22Adding support for Microsoft's thiscall calling convention. Clang side of ↵Aaron Ballman
the patch. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151122 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-17Whether an argument is required (in contrast with being anJohn McCall
optional argument passed through the variadic ellipsis) potentially affects how we need to lower it. Propagate this information down to the various getFunctionInfo(...) overloads on CodeGenTypes. Furthermore, rename those overloads to clarify their distinct purposes, and make sure we're calling the right one in the right place. This has a nice side-effect of making it easier to construct a function type, since the 'variadic' bit is no longer separable. This shouldn't really change anything for our existing platforms, with one minor exception --- we should now call variadic ObjC methods with the ... in the "right place" (see the test case), which I guess matters for anyone running GNUStep on MIPS. Mostly it's just a substantial clean-up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Class objects passed by value follow the same rules as structure objects.Akira Hatanaka
Double fields of by-value class objects should be passed in floating point registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150200 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-09Fix bugs in function MipsABIInfo::returnAggregateInRegs. Functions returningAkira Hatanaka
class objects follow the same rules as those returning struct objects. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150196 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-08Do not return records with non trivial destructors or copy constructors inAkira Hatanaka
registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150035 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07simplify a bunch of code to use the well-known LLVM IR types computed by ↵Chris Lattner
CodeGenModule. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149943 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-25Add some ABI tweaks for i386-pc-win32 triple so that we return structs in an ↵Eli Friedman
MSVC-compatible way. Patch by Joe Groff. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148992 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Make sure the integer type used to align the vaarg address is the same as theAkira Hatanaka
type of pointers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148753 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-23Ignore return type if its size is zero.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148744 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20More dead code removal (using -Wunreachable-code)David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148577 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Take into account the pointer to an aggregate that is passed as a hiddenAkira Hatanaka
argument when Offset is initialized. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147986 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-12Call CodeGenTypes::ConvertType to get LLVM::Type*.Akira Hatanaka
Remove function MipsABIInfo::GetFloatingPointTy. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147985 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Remove switch/case statements and call GetFloatingPointTy() instead to get theAkira Hatanaka
floating point type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147894 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Flatten float complex arguments. N32/64 requires float complex arguments beAkira Hatanaka
passed in floating point registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147892 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Remove space.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147889 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Add support for the androideabi environment to our triple support, andChandler Carruth
for the arm-linux-androideabi triple in particular. Also use this to do a better job of selecting soft FP settings. Patch by Evgeniy Stepanov. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147872 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10Contrary to the other BSDs, NetBSD followed the ELF ABI for structureJoerg Sonnenberger
passing on i386 and does not use registers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09Insert padding before unaligned long double arguments.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147791 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07Add field PaddingType to ABIArgInfo which specifies the type of padding thatAkira Hatanaka
is inserted before the real argument. Padding is needed to ensure the backend reads from or writes to the correct argument slots when the original alignment of a byval structure is unavailable due to flattening. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04Have functions return structures smaller than 128-bit in registers if ABIAkira Hatanaka
is either N32 or N64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147520 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12Hexagon backend supportTony Linthicum
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146413 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06Minor comment update.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145905 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-02When we're passing a vector with an illegal type through memory on x86-64, ↵Eli Friedman
use byval so we're sure the backend does the right thing. Fixes va_arg with illegal vectors and an obscure ABI mismatch with __m64 vectors. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145652 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-01Don't use a varargs convention for calls unprototyped functions where one of ↵Eli Friedman
the arguments is an AVX vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145574 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-28Correct the code generation for function arguments of vec3 types on x86_64 ↵Tanya Lattner
when they are greater than 128 bits. This was incorrectly coercing things like long3 into a double2. Add test case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145312 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Finish r144971, which was an incomplete commit.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144972 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Fix the meaning of an "empty" record for the case of a zero-length array. ↵Eli Friedman
Use isEmptyRecord for arguments on x86-32; there are structs of size 0 which don't count as empty. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Make va_arg on x86-64 compute alignment the same way as argument passing.Eli Friedman
Fixes <rdar://problem/10463281>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144966 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18A bunch of fixes to argument passing and va_arg on Darwin x86-32 for ↵Eli Friedman
structures containing an SSE vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144963 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Don't try to expand struct arguments containing holes on x86-32. From gcc ↵Eli Friedman
struct layout tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144961 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Simplify code for returning a struct for Darwin x86-32 ABI. Use a better ↵Eli Friedman
type for a function returning a struct containing only a pointer. Handle the edge case of a struct containing only a float or double plus some dead padding instead of asserting. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-18Ignore empty unions in argument lowering on x86-32. From gcc struct layout ↵Eli Friedman
tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144944 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Use a single integer type for a sub-doubleword part of a byval structure.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143666 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Do not add "byval" attribute to records with non-trivial copy constructorsJan Wen Voung
and destructors in the DefaultABIInfo. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143601 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03Set MinABIStackAlignInBytes to 8 if ABI is N32/64.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143597 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Convert the type of a structure passed by value if it has double precisionAkira Hatanaka
fields in order to ease handling of such structures in backend. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143596 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Return function results whose size is smaller than 128-bits in registers if ABIAkira Hatanaka
is N32/64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02Check for homogeneous aggregate return values with ARM's AAPCS-VFP ABI.Bob Wilson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143530 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-24Remove the SystemZ backend.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142879 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-13TCE target: conversion of OpenCL reqd_work_group_size attr to metadataPeter Collingbourne
Patch by Pekka Jääskeläinen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141865 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10Constant expression evaluation refactoring:Richard Smith
- Remodel Expr::EvaluateAsInt to behave like the other EvaluateAs* functions, and add Expr::EvaluateKnownConstInt to capture the current fold-or-assert behaviour. - Factor out evaluation of bitfield bit widths. - Fix a few places which would evaluate an expression twice: once to determine whether it is a constant expression, then again to get the value. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141561 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-08Free 'TheTargetCodeGenInfo' in the class CodeGenModule. This looks like an ↵Ted Kremenek
obvious memory leak that was reported from LLDB devs. The comment indicates the leak is deliberate, but I have no idea why this needs to be so. Please comment/revert if you know otherwise. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141479 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06CUDA: set proper calling conventions for PTXPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141296 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05PTX: Set proper calling conventions for PTX in OpenCL mode.Justin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141193 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-21ANSI C requires that a call to an unprototyped function type succeedJohn McCall
if the definition has a non-variadic prototype with compatible parameters. Therefore, the default rule for such calls must be to use a non-variadic convention. Achieve this by casting the callee to the function type with which it is required to be compatible, unless the target specifically opts out and insists that unprototyped calls should use the variadic rules. The only case of that I'm aware of is the x86-64 convention, which passes arguments the same way in both cases but also sets a small amount of extra information; here we seek to maintain compatibility with GCC, which does set this when calling an unprototyped function. Addresses PR10810 and PR10713. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140241 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-20Create a MipsTargetCodeGenInfo object for mips64/mips64el. The size of theAkira Hatanaka
UnwindException structure is 32 for mips64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140165 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-20Add a parameter to MipsTargetCodeGenInfo's constructor.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140161 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Extend the ASTContext constructor to delay the initialization ofDouglas Gregor
builtin types (When requested). This is another step toward making ASTUnit build the ASTContext as needed when loading an AST file, rather than doing so after the fact. No actual functionality change (yet). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138985 91177308-0d34-0410-b5e6-96231b3b80d8
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