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| author | Christopher Lamb <christopher.lamb@gmail.com> | 2008-03-16 03:12:01 +0000 |
|---|---|---|
| committer | Christopher Lamb <christopher.lamb@gmail.com> | 2008-03-16 03:12:01 +0000 |
| commit | c9298235251b014e86a7368d92b589d093acb64a (patch) | |
| tree | 11c2e0c245fb52c02a65e3e9469f5f83e94abaee /include | |
| parent | 606c5aa084041eb5ad60710728098eaf9c997315 (diff) | |
| download | external_llvm-c9298235251b014e86a7368d92b589d093acb64a.zip external_llvm-c9298235251b014e86a7368d92b589d093acb64a.tar.gz external_llvm-c9298235251b014e86a7368d92b589d093acb64a.tar.bz2 | |
Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48412 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index d6acc63..05ca9e6 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -50,16 +50,8 @@ public: DECLARE = 3, EXTRACT_SUBREG = 4, INSERT_SUBREG = 5, - IMPLICIT_DEF = 6 - }; - - // Target independent implict values for use with subreg insert. All targets - // that support insert_subreg support IMPL_VAL_UNDEF. Support for the other - // values is target dependent. - enum ImplictVal { - IMPL_VAL_UNDEF = 0, - IMPL_VAL_ZERO = 1, - LAST_IMPL_VAL = 3 + IMPLICIT_DEF = 6, + SUBREG_TO_REG = 7 }; unsigned getNumOpcodes() const { return NumOpcodes; } |