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| author | Matthias Braun <matze@braunis.de> | 2018-10-30 23:28:27 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2018-10-30 23:28:27 +0000 |
| commit | a83403892ac33484c0a830a21313fdf2473bcd0f (patch) | |
| tree | 550dcea73d2af7188357ced4f2e56feddada4562 /llvm/lib/CodeGen/MachineOperand.cpp | |
| parent | bdc6deedd3ee87662be96ceef44850cf1c0b47e7 (diff) | |
| download | bcm5719-llvm-a83403892ac33484c0a830a21313fdf2473bcd0f.tar.gz bcm5719-llvm-a83403892ac33484c0a830a21313fdf2473bcd0f.zip | |
MachineOperand/MIParser: Do not print debug-use flag, infer it
The debug-use flag must be set exactly for uses on DBG_VALUEs. This is
so obvious that it can be trivially inferred while parsing. This will
reduce noise when printing while omitting an information that has little
value to the user.
The parser will keep recognizing the flag for compatibility with old
`.mir` files.
Differential Revision: https://reviews.llvm.org/D53903
llvm-svn: 345671
Diffstat (limited to 'llvm/lib/CodeGen/MachineOperand.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineOperand.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineOperand.cpp b/llvm/lib/CodeGen/MachineOperand.cpp index 97d32a5d66a..4fe51f66248 100644 --- a/llvm/lib/CodeGen/MachineOperand.cpp +++ b/llvm/lib/CodeGen/MachineOperand.cpp @@ -744,10 +744,10 @@ void MachineOperand::print(raw_ostream &OS, ModuleSlotTracker &MST, OS << "undef "; if (isEarlyClobber()) OS << "early-clobber "; - if (isDebug()) - OS << "debug-use "; if (TargetRegisterInfo::isPhysicalRegister(getReg()) && isRenamable()) OS << "renamable "; + // isDebug() is exactly true for register operands of a DBG_VALUE. So we + // simply infer it when parsing and do not need to print it. const MachineRegisterInfo *MRI = nullptr; if (TargetRegisterInfo::isVirtualRegister(Reg)) { |
