[mips] Remove redundant code in RetCC_MipsN. NFC.
Summary:
i32 is always promoted to i64 so it no longer makes sense to assign i32 to
registers.
Reviewers: vmedic
Reviewed By: vmedic
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D5964
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_35@223025
91177308-0d34-0410-b5e6-
96231b3b80d8
CCIfSubtargetNot<"isLittle()",
CCIfType<[i8, i16, i32, i64], CCIfInReg<CCPromoteToUpperBitsInType<i64>>>>,
- // i32 are returned in registers V0, V1
- CCIfType<[i32], CCAssignToReg<[V0, V1]>>,
-
// i64 are returned in registers V0_64, V1_64
CCIfType<[i64], CCAssignToReg<[V0_64, V1_64]>>,