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| author | Eric Christopher <echristo@apple.com> | 2012-08-03 00:05:53 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2012-08-03 00:05:53 +0000 |
| commit | e94ac8871a1ac79bece57335d2abece0feed9c02 (patch) | |
| tree | 94ce9ea1213cfeeef7e972cfc1367a0aafcc576c /lib/Target/ARM/ARMBaseRegisterInfo.cpp | |
| parent | 7b07d69958b865bb83500f0a8dc348a62969e7a8 (diff) | |
| download | external_llvm-e94ac8871a1ac79bece57335d2abece0feed9c02.zip external_llvm-e94ac8871a1ac79bece57335d2abece0feed9c02.tar.gz external_llvm-e94ac8871a1ac79bece57335d2abece0feed9c02.tar.bz2 | |
Add support for the ARM GHC calling convention, this patch was in 3.0,
but somehow managed to be dropped later.
Patch by Karel Gardas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161226 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMBaseRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMBaseRegisterInfo.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/lib/Target/ARM/ARMBaseRegisterInfo.cpp index 231bd26..9deb96e 100644 --- a/lib/Target/ARM/ARMBaseRegisterInfo.cpp +++ b/lib/Target/ARM/ARMBaseRegisterInfo.cpp @@ -62,8 +62,20 @@ ARMBaseRegisterInfo::ARMBaseRegisterInfo(const ARMBaseInstrInfo &tii, const uint16_t* ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const { + bool ghcCall = false; + + if (MF) { + const Function *F = MF->getFunction(); + ghcCall = (F ? F->getCallingConv() == CallingConv::GHC : false); + } + + if (ghcCall) { + return CSR_GHC_SaveList; + } + else { return (STI.isTargetIOS() && !STI.isAAPCS_ABI()) ? CSR_iOS_SaveList : CSR_AAPCS_SaveList; + } } const uint32_t* |