[MIPS GlobalISel] ClampScalar G_AND G_OR and G_XOR

Add narrowScalar for G_AND and G_XOR.
Legalize G_AND G_OR and G_XOR for types other then s32 
with clampScalar on MIPS32.

Differential Revision: https://reviews.llvm.org/D55362

llvm-svn: 349475

1 files changed, 5 insertions, 2 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 4492175d11e..3d3f0e84b0f 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -578,7 +578,9 @@ LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalar(MachineInstr &MI,
     MI.eraseFromParent();
     return Legalized;
   }
-  case TargetOpcode::G_OR: {
+  case TargetOpcode::G_AND:
+  case TargetOpcode::G_OR:
+  case TargetOpcode::G_XOR: {
     // Legalize bitwise operation:
     // A = BinOp<Ty> B, C
     // into:
@@ -617,7 +619,8 @@ LegalizerHelper::LegalizeResult LegalizerHelper::narrowScalar(MachineInstr &MI,
 
     // Do the operation on each small part.
     for (int i = 0; i < NumParts; ++i)
-      MIRBuilder.buildOr(DstRegs[i], SrcsReg1[i], SrcsReg2[i]);
+      MIRBuilder.buildInstr(MI.getOpcode(), {DstRegs[i]},
+                            {SrcsReg1[i], SrcsReg2[i]});
 
     // Gather the destination registers into the final destination.
     unsigned DstReg = MI.getOperand(0).getReg();