GlobalISel: Implement widenScalar for G_SITOFP/G_UITOFP sources
Legalize 16-bit G_SITOFP/G_UITOFP for AMDGPU.
llvm-svn: 373287
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 7d667b9..be3e58e 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -1622,13 +1622,15 @@
case TargetOpcode::G_FPTOSI:
case TargetOpcode::G_FPTOUI:
- if (TypeIdx != 0)
- return UnableToLegalize;
Observer.changingInstr(MI);
- widenScalarDst(MI, WideTy);
+
+ if (TypeIdx == 0)
+ widenScalarDst(MI, WideTy);
+ else
+ widenScalarSrc(MI, WideTy, 1, TargetOpcode::G_FPEXT);
+
Observer.changedInstr(MI);
return Legalized;
-
case TargetOpcode::G_SITOFP:
if (TypeIdx != 1)
return UnableToLegalize;