AMDGPU/GlobalISel: Legality for integer min/max

llvm-svn: 361519

1 files changed, 13 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index aed1e4c590d..f9e8c835662 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -1083,6 +1083,8 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
 
   case TargetOpcode::G_SDIV:
   case TargetOpcode::G_SREM:
+  case TargetOpcode::G_SMIN:
+  case TargetOpcode::G_SMAX:
     Observer.changingInstr(MI);
     widenScalarSrc(MI, WideTy, 1, TargetOpcode::G_SEXT);
     widenScalarSrc(MI, WideTy, 2, TargetOpcode::G_SEXT);
@@ -1111,6 +1113,8 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
     return Legalized;
   case TargetOpcode::G_UDIV:
   case TargetOpcode::G_UREM:
+  case TargetOpcode::G_UMIN:
+  case TargetOpcode::G_UMAX:
     Observer.changingInstr(MI);
     widenScalarSrc(MI, WideTy, 1, TargetOpcode::G_ZEXT);
     widenScalarSrc(MI, WideTy, 2, TargetOpcode::G_ZEXT);
@@ -2207,6 +2211,10 @@ LegalizerHelper::fewerElementsVector(MachineInstr &MI, unsigned TypeIdx,
   case G_FSQRT:
   case G_BSWAP:
   case G_SDIV:
+  case G_SMIN:
+  case G_SMAX:
+  case G_UMIN:
+  case G_UMAX:
     return fewerElementsVectorBasic(MI, TypeIdx, NarrowTy);
   case G_SHL:
   case G_LSHR:
@@ -2494,7 +2502,11 @@ LegalizerHelper::moreElementsVector(MachineInstr &MI, unsigned TypeIdx,
   }
   case TargetOpcode::G_AND:
   case TargetOpcode::G_OR:
-  case TargetOpcode::G_XOR: {
+  case TargetOpcode::G_XOR:
+  case TargetOpcode::G_SMIN:
+  case TargetOpcode::G_SMAX:
+  case TargetOpcode::G_UMIN:
+  case TargetOpcode::G_UMAX: {
     Observer.changingInstr(MI);
     moreElementsVectorSrc(MI, MoreTy, 1);
     moreElementsVectorSrc(MI, MoreTy, 2);