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| author | Evan Cheng <evan.cheng@apple.com> | 2007-12-12 23:12:09 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-12-12 23:12:09 +0000 |
| commit | 6e141fd04897e5eb4925bb6351297170ebd8a756 (patch) | |
| tree | 67154492dd48eec8a801c213a8e7c9bceaf0488a /lib/Target/Mips | |
| parent | 67f1c493d105fdfb8ffa980ff82ff7d9e3fafefc (diff) | |
Implicit def instructions, e.g. X86::IMPLICIT_DEF_GR32, are always re-materializable and they should not be spilled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44960 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips')
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.td | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td index d74ca54092..4d09e8bed1 100644 --- a/lib/Target/Mips/MipsInstrInfo.td +++ b/lib/Target/Mips/MipsInstrInfo.td @@ -356,6 +356,7 @@ def ADJCALLSTACKUP : PseudoInstMips<(outs), (ins uimm16:$amt1, uimm16:$amt2), [(callseq_end imm:$amt1, imm:$amt2)]>; } +let isImplicitDef = 1 in def IMPLICIT_DEF_CPURegs : PseudoInstMips<(outs CPURegs:$dst), (ins), "!IMPLICIT_DEF $dst", [(set CPURegs:$dst, (undef))]>; |