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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2011-04-14 20:06:49 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2011-04-14 20:06:49 +0000 |
| commit | 231e875b5c44db3197d548b8b7c16d1bc3d8a81e (patch) | |
| tree | e3e1f7f51788639d1223864f031d251d347c038d /clang/lib/CodeGen/CGCall.cpp | |
| parent | fdc33cbecd636a9218c30aed114ac6cfce6464f0 (diff) | |
| download | bcm5719-llvm-231e875b5c44db3197d548b8b7c16d1bc3d8a81e.tar.gz bcm5719-llvm-231e875b5c44db3197d548b8b7c16d1bc3d8a81e.zip | |
Implement ARM pcs attribute. Basically it's another way of calling convention selection (AAPCS or
AAPCS+VFP), similar to fastcall / stdcall / whatevercall seen on x86.
In particular, all library functions should always be AAPCS regardless of floating point ABI used.
llvm-svn: 129534
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 0ba6789367f..dfe9049add1 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -36,6 +36,8 @@ static unsigned ClangCallConvToLLVMCallConv(CallingConv CC) { case CC_X86StdCall: return llvm::CallingConv::X86_StdCall; case CC_X86FastCall: return llvm::CallingConv::X86_FastCall; case CC_X86ThisCall: return llvm::CallingConv::X86_ThisCall; + case CC_AAPCS: return llvm::CallingConv::ARM_AAPCS; + case CC_AAPCS_VFP: return llvm::CallingConv::ARM_AAPCS_VFP; // TODO: add support for CC_X86Pascal to llvm } } @@ -104,6 +106,9 @@ static CallingConv getCallingConventionForDecl(const Decl *D) { if (D->hasAttr<PascalAttr>()) return CC_X86Pascal; + if (PcsAttr *PCS = D->getAttr<PcsAttr>()) + return (PCS->getPCS() == PcsAttr::AAPCS ? CC_AAPCS : CC_AAPCS_VFP); + return CC_C; } |
