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[CodeGen] Print MI without a newline when skipping debugloc. NFC. 

This matches the behavior for skip-operands. While there, document it.
This is a follow-up to r296007.

llvm-svn: 296011
This commit is contained in:
Ahmed Bougacha 2017-02-23 21:05:29 +00:00
parent 0cf8cfa165
commit 97119d48db
2 changed files with 12 additions and 4 deletions
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12
llvm/include/llvm/CodeGen/MachineInstr.h
View File

@ -1146,15 +1146,21 @@ public:
/// instruction to this instruction.
void copyImplicitOps(MachineFunction &MF, const MachineInstr &MI);
//
// Debugging support
//
/// Debugging support
/// @{
/// Print this MI to \p OS.
/// Only print the defs and the opcode if \p SkipOpers is true.
/// Otherwise, also print operands if \p SkipDebugLoc is true.
/// Otherwise, also print the debug loc, with a terminating newline.
/// \p TII is used to print the opcode name. If it's not present, but the
/// MI is in a function, the opcode will be printed using the function's TII.
void print(raw_ostream &OS, bool SkipOpers = false, bool SkipDebugLoc = false,
const TargetInstrInfo *TII = nullptr) const;
void print(raw_ostream &OS, ModuleSlotTracker &MST, bool SkipOpers = false,
bool SkipDebugLoc = false,
const TargetInstrInfo *TII = nullptr) const;
void dump() const;
/// @}
//===--------------------------------------------------------------------===//
// Accessors used to build up machine instructions.

4
llvm/lib/CodeGen/MachineInstr.cpp
View File

@ -1988,7 +1988,9 @@ void MachineInstr::print(raw_ostream &OS, ModuleSlotTracker &MST,
}
if (isIndirectDebugValue())
OS << " indirect";
} else if (debugLoc && MF && !SkipDebugLoc) {
} else if (SkipDebugLoc) {
return;
} else if (debugLoc && MF) {
if (!HaveSemi)
OS << ";";
OS << " dbg:";