[CodeGen] Teach opt remarks how to print MI instructions.

This will be used with GISel opt remarks.

llvm-svn: 296012

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp b/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
index b226135f8f7..6b6b5f2814a 100644
--- a/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
+++ b/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
@@ -15,12 +15,22 @@
 
 #include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
 #include "llvm/CodeGen/LazyMachineBlockFrequencyInfo.h"
+#include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/IR/DebugInfo.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/LLVMContext.h"
 
 using namespace llvm;
 
+DiagnosticInfoMIROptimization::MachineArgument::MachineArgument(
+    StringRef MKey, const MachineInstr &MI)
+    : Argument() {
+  Key = MKey;
+
+  raw_string_ostream OS(Val);
+  MI.print(OS, /*SkipOpers=*/false, /*SkipDebugLoc=*/true);
+}
+
 Optional<uint64_t>
 MachineOptimizationRemarkEmitter::computeHotness(const MachineBasicBlock &MBB) {
   if (!MBFI)