GlobalISel: add generic conditional branch.

Just the basic equivalent to DAG's condbr for now, we'll get to things like
br_cc when we start doing more legalization.

llvm-svn: 277184

1 files changed, 7 insertions, 1 deletions

diff --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
index 5d611240098..426de444d88 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -95,7 +95,13 @@ MachineInstrBuilder MachineIRBuilder::buildCopy(unsigned Res, unsigned Op) {
   return buildInstr(TargetOpcode::COPY).addDef(Res).addUse(Op);
 }
 
-MachineInstrBuilder MachineIRBuilder::buildLoad(LLT VTy, LLT PTy, unsigned Res,
+MachineInstrBuilder MachineIRBuilder::buildBrCond(LLT Ty, unsigned Tst,
+                                                  MachineBasicBlock &Dest) {
+  return buildInstr(TargetOpcode::G_BRCOND, Ty).addUse(Tst).addMBB(&Dest);
+}
+
+
+ MachineInstrBuilder MachineIRBuilder::buildLoad(LLT VTy, LLT PTy, unsigned Res,
                                                  unsigned Addr,
                                                  MachineMemOperand &MMO) {
   return buildInstr(TargetOpcode::G_LOAD, {VTy, PTy})