diff options
| 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 | 414d8967e1d760ea1e19a4aca96b13777a8cf8c5 (patch) | |
| tree | 3dcaa9e5a2a61a89f57ee519ca09df0aa496a05a /lib/CodeGen/CGCall.cpp | |
| parent | a6ea5bbb0629781ec7eca92c1c8a4c504b40f48e (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129534 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | lib/CodeGen/CGCall.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp index 0ba6789367..dfe9049add 100644 --- a/lib/CodeGen/CGCall.cpp +++ b/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; } |