GlobalISel: use G_TYPE to annotate physregs with a type.
More preparation for dropping source types from MachineInstrs: regsters coming
out of already-selected code (i.e. non-generic instructions) don't have a type,
but that information is needed so we must add it manually.
This is done via a new G_TYPE instruction.
llvm-svn: 280292
diff --git a/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp b/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp
index baef765..cc3d4ec 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp
@@ -30,6 +30,9 @@
DefaultActions[TargetOpcode::G_ANYEXT] = Legal;
DefaultActions[TargetOpcode::G_TRUNC] = Legal;
+ // G_TYPE is essentially an annotated COPY so it's always legal.
+ DefaultActions[TargetOpcode::G_TYPE] = Legal;
+
DefaultActions[TargetOpcode::G_INTRINSIC] = Legal;
DefaultActions[TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS] = Legal;