GlobalISel: implement narrowing for G_ADD.

llvm-svn: 277769

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
index 09a8fa6001b..5abc652303e 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -95,6 +95,11 @@ MachineInstrBuilder MachineIRBuilder::buildCopy(unsigned Res, unsigned Op) {
   return buildInstr(TargetOpcode::COPY).addDef(Res).addUse(Op);
 }
 
+MachineInstrBuilder MachineIRBuilder::buildConstant(LLT Ty, unsigned Res,
+                                                    int64_t Val) {
+  return buildInstr(TargetOpcode::G_CONSTANT, Ty).addDef(Res).addImm(Val);
+}
+
 MachineInstrBuilder MachineIRBuilder::buildBrCond(LLT Ty, unsigned Tst,
                                                   MachineBasicBlock &Dest) {
   return buildInstr(TargetOpcode::G_BRCOND, Ty).addUse(Tst).addMBB(&Dest);
@@ -119,6 +124,18 @@ MachineInstrBuilder MachineIRBuilder::buildStore(LLT VTy, LLT PTy,
       .addMemOperand(&MMO);
 }
 
+MachineInstrBuilder MachineIRBuilder::buildAdde(LLT Ty, unsigned Res,
+                                                unsigned CarryOut, unsigned Op0,
+                                                unsigned Op1,
+                                                unsigned CarryIn) {
+  return buildInstr(TargetOpcode::G_ADDE, Ty)
+      .addDef(Res)
+      .addDef(CarryOut)
+      .addUse(Op0)
+      .addUse(Op1)
+      .addUse(CarryIn);
+}
+
 MachineInstrBuilder MachineIRBuilder::buildAnyExtend(LLT Ty, unsigned Res,
                                                      unsigned Op) {
   return buildInstr(TargetOpcode::G_ANYEXTEND, Ty).addDef(Res).addUse(Op);