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| author | Wesley Peck <peckw@wesleypeck.com> | 2010-12-15 20:27:28 +0000 |
|---|---|---|
| committer | Wesley Peck <peckw@wesleypeck.com> | 2010-12-15 20:27:28 +0000 |
| commit | dc9d87a9bbb5bc2ddaad7ab0db4aed82d88636c6 (patch) | |
| tree | 9a0d05ded0bb7ff2af598470da17b2c731f49d0c /lib/Target/MBlaze/MBlazeISelLowering.cpp | |
| parent | d364acd3d7b0dd78bc92e168af268a56ff7141d4 (diff) | |
| download | external_llvm-dc9d87a9bbb5bc2ddaad7ab0db4aed82d88636c6.zip external_llvm-dc9d87a9bbb5bc2ddaad7ab0db4aed82d88636c6.tar.gz external_llvm-dc9d87a9bbb5bc2ddaad7ab0db4aed82d88636c6.tar.bz2 | |
Lower the MBlaze target specific calling conventions for "interrupt_handler"
and "save_volatiles" correctly. This completes the custom calling convention
functionality changes for the MBlaze backend that were started in 121888.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121891 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MBlaze/MBlazeISelLowering.cpp')
| -rw-r--r-- | lib/Target/MBlaze/MBlazeISelLowering.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/Target/MBlaze/MBlazeISelLowering.cpp b/lib/Target/MBlaze/MBlazeISelLowering.cpp index ad7222a..dc7cff8 100644 --- a/lib/Target/MBlaze/MBlazeISelLowering.cpp +++ b/lib/Target/MBlaze/MBlazeISelLowering.cpp @@ -864,13 +864,18 @@ LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, Flag = Chain.getValue(1); } - // Return on MBlaze is always a "rtsd R15, 8" + // If this function is using the interrupt_handler calling convention + // then use "rtid r14, 0" otherwise use "rtsd r15, 8" + unsigned Ret = (CallConv == llvm::CallingConv::MBLAZE_INTR) ? MBlazeISD::IRet + : MBlazeISD::Ret; + unsigned Reg = (CallConv == llvm::CallingConv::MBLAZE_INTR) ? MBlaze::R14 + : MBlaze::R15; + SDValue DReg = DAG.getRegister(Reg, MVT::i32); + if (Flag.getNode()) - return DAG.getNode(MBlazeISD::Ret, dl, MVT::Other, - Chain, DAG.getRegister(MBlaze::R15, MVT::i32), Flag); - else // Return Void - return DAG.getNode(MBlazeISD::Ret, dl, MVT::Other, - Chain, DAG.getRegister(MBlaze::R15, MVT::i32)); + return DAG.getNode(Ret, dl, MVT::Other, Chain, DReg, Flag); + + return DAG.getNode(Ret, dl, MVT::Other, Chain, DReg); } //===----------------------------------------------------------------------===// |