1 files changed, 21 insertions, 0 deletions
diff --git a/contrib/llvm/include/llvm/CodeGen/GlobalISel/Utils.h b/contrib/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
index f5d5f5cdf0cd..52bf965a3cb3 100644
--- a/contrib/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
+++ b/contrib/llvm/include/llvm/CodeGen/GlobalISel/Utils.h
@@ -15,15 +15,21 @@
 #ifndef LLVM_CODEGEN_GLOBALISEL_UTILS_H
 #define LLVM_CODEGEN_GLOBALISEL_UTILS_H
 
+#include "llvm/ADT/StringRef.h"
+
 namespace llvm {
 
 class MachineFunction;
 class MachineInstr;
+class MachineOptimizationRemarkEmitter;
+class MachineOptimizationRemarkMissed;
 class MachineRegisterInfo;
 class MCInstrDesc;
 class RegisterBankInfo;
 class TargetInstrInfo;
+class TargetPassConfig;
 class TargetRegisterInfo;
+class Twine;
 
 /// Try to constrain Reg so that it is usable by argument OpIdx of the
 /// provided MCInstrDesc \p II. If this fails, create a new virtual
@@ -39,5 +45,20 @@ unsigned constrainOperandRegClass(const MachineFunction &MF,
                                   MachineInstr &InsertPt, const MCInstrDesc &II,
                                   unsigned Reg, unsigned OpIdx);
 
+/// Check whether an instruction \p MI is dead: it only defines dead virtual
+/// registers, and doesn't have other side effects.
+bool isTriviallyDead(const MachineInstr &MI, const MachineRegisterInfo &MRI);
+
+/// Report an ISel error as a missed optimization remark to the LLVMContext's
+/// diagnostic stream.  Set the FailedISel MachineFunction property.
+void reportGISelFailure(MachineFunction &MF, const TargetPassConfig &TPC,
+                        MachineOptimizationRemarkEmitter &MORE,
+                        MachineOptimizationRemarkMissed &R);
+
+void reportGISelFailure(MachineFunction &MF, const TargetPassConfig &TPC,
+                        MachineOptimizationRemarkEmitter &MORE,
+                        const char *PassName, StringRef Msg,
+                        const MachineInstr &MI);
+
 } // End namespace llvm.
 #endif