diff options
Diffstat (limited to 'lib/CodeGen/GlobalISel/LegalizerHelper.cpp')
| -rw-r--r-- | lib/CodeGen/GlobalISel/LegalizerHelper.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/lib/CodeGen/GlobalISel/LegalizerHelper.cpp index 20358f7ee6c2..58778077bc0e 100644 --- a/lib/CodeGen/GlobalISel/LegalizerHelper.cpp +++ b/lib/CodeGen/GlobalISel/LegalizerHelper.cpp @@ -24,7 +24,7 @@ #include <sstream> -#define DEBUG_TYPE "legalize-mir" +#define DEBUG_TYPE "legalizer" using namespace llvm; @@ -35,24 +35,34 @@ LegalizerHelper::LegalizerHelper(MachineFunction &MF) LegalizerHelper::LegalizeResult LegalizerHelper::legalizeInstrStep(MachineInstr &MI) { + DEBUG(dbgs() << "Legalizing: "; MI.print(dbgs())); + auto Action = LI.getAction(MI, MRI); switch (std::get<0>(Action)) { case LegalizerInfo::Legal: + DEBUG(dbgs() << ".. Already legal\n"); return AlreadyLegal; case LegalizerInfo::Libcall: + DEBUG(dbgs() << ".. Convert to libcall\n"); return libcall(MI); case LegalizerInfo::NarrowScalar: + DEBUG(dbgs() << ".. Narrow scalar\n"); return narrowScalar(MI, std::get<1>(Action), std::get<2>(Action)); case LegalizerInfo::WidenScalar: + DEBUG(dbgs() << ".. Widen scalar\n"); return widenScalar(MI, std::get<1>(Action), std::get<2>(Action)); case LegalizerInfo::Lower: + DEBUG(dbgs() << ".. Lower\n"); return lower(MI, std::get<1>(Action), std::get<2>(Action)); case LegalizerInfo::FewerElements: + DEBUG(dbgs() << ".. Reduce number of elements\n"); return fewerElementsVector(MI, std::get<1>(Action), std::get<2>(Action)); case LegalizerInfo::Custom: + DEBUG(dbgs() << ".. Custom legalization\n"); return LI.legalizeCustom(MI, MRI, MIRBuilder) ? Legalized : UnableToLegalize; default: + DEBUG(dbgs() << ".. Unable to legalize\n"); return UnableToLegalize; } } |