diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-16 16:13:39 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-06-16 16:13:39 +0000 |
| commit | 25117ab35c1a033846073183314c68ef07d1701a (patch) | |
| tree | f58f8855b4b210251e819990a55b7e5608e8b43c /lib/CodeGen/TargetInfo.cpp | |
| parent | 3956b1ab303139d9e952c2c30ed16643fad0c325 (diff) | |
Don't set the calling convention for ARM if it is already the default.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106106 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetInfo.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInfo.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp index 74f9a51f0a..608929270d 100644 --- a/lib/CodeGen/TargetInfo.cpp +++ b/lib/CodeGen/TargetInfo.cpp @@ -1776,14 +1776,22 @@ void ARMABIInfo::computeInfo(CGFunctionInfo &FI, ASTContext &Context, it->info = classifyArgumentType(it->type, Context, VMContext); } - // ARM always overrides the calling convention. + const llvm::Triple &Triple(Context.Target.getTriple()); + llvm::CallingConv::ID DefaultCC; + if (Triple.getOS() == llvm::Triple::Darwin) + DefaultCC = llvm::CallingConv::ARM_APCS; + else + DefaultCC = llvm::CallingConv::ARM_AAPCS; + switch (getABIKind()) { case APCS: - FI.setEffectiveCallingConvention(llvm::CallingConv::ARM_APCS); + if (DefaultCC != llvm::CallingConv::ARM_APCS) + FI.setEffectiveCallingConvention(llvm::CallingConv::ARM_APCS); break; case AAPCS: - FI.setEffectiveCallingConvention(llvm::CallingConv::ARM_AAPCS); + if (DefaultCC != llvm::CallingConv::ARM_AAPCS) + FI.setEffectiveCallingConvention(llvm::CallingConv::ARM_AAPCS); break; case AAPCS_VFP: |