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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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200937 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2014-02-06 18:51:34 +00:00
parent 226bd876c6
commit e75bf03611
1 changed files with 4 additions and 3 deletions
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7
lib/Target/ARM/ARMBaseRegisterInfo.cpp
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@ -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;
}