Revert r200095 and r200152. It turns out when compiling with -arch armv7 -mcpu=cortex-m3, the triple would still set iOS as the OS so the hack is still needed. rdar://15984891

llvm-svn: 200937

1 files changed, 4 insertions, 3 deletions

diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index fca2b2af1fe..79f975e3ae2 100644
--- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -51,7 +51,7 @@ ARMBaseRegisterInfo::ARMBaseRegisterInfo(const ARMSubtarget &sti)
 
 const uint16_t*
 ARMBaseRegisterInfo::getCalleeSavedRegs(const MachineFunction *MF) const {
-  const uint16_t *RegList = STI.isTargetIOS()
+  const uint16_t *RegList = (STI.isTargetIOS() && !STI.isAAPCS_ABI())
                                 ? CSR_iOS_SaveList
                                 : CSR_AAPCS_SaveList;
 
@@ -86,7 +86,8 @@ ARMBaseRegisterInfo::getCallPreservedMask(CallingConv::ID CC) const {
   if (CC == CallingConv::GHC)
     // This is academic becase all GHC calls are (supposed to be) tail calls
     return CSR_NoRegs_RegMask;
-  return STI.isTargetIOS() ? CSR_iOS_RegMask : CSR_AAPCS_RegMask;
+  return (STI.isTargetIOS() && !STI.isAAPCS_ABI())
+    ? CSR_iOS_RegMask : CSR_AAPCS_RegMask;
 }
 
 const uint32_t*
@@ -107,7 +108,7 @@ ARMBaseRegisterInfo::getThisReturnPreservedMask(CallingConv::ID CC) const {
   if (CC == CallingConv::GHC)
     // This is academic becase all GHC calls are (supposed to be) tail calls
     return NULL;
-  return STI.isTargetIOS()
+  return (STI.isTargetIOS() && !STI.isAAPCS_ABI())
     ? CSR_iOS_ThisReturn_RegMask : CSR_AAPCS_ThisReturn_RegMask;
 }