[GISel]: Provide standard interface to observe changes in GISel passes
https://reviews.llvm.org/D54980
This provides a standard API across GISel passes to observe and notify
passes about changes (insertions/deletions/mutations) to MachineInstrs.
This patch also removes the recordInsertion method in MachineIRBuilder
and instead provides method to setObserver.
Reviewed by: vkeles.
llvm-svn: 348406
diff --git a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
index 557bc88..179c073 100644
--- a/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
@@ -6,8 +6,9 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
-#include "llvm/CodeGen/GlobalISel/Combiner.h"
#include "llvm/CodeGen/GlobalISel/CombinerHelper.h"
+#include "llvm/CodeGen/GlobalISel/Combiner.h"
+#include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h"
#include "llvm/CodeGen/GlobalISel/MachineIRBuilder.h"
#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/MachineInstr.h"
@@ -18,7 +19,7 @@
using namespace llvm;
-CombinerHelper::CombinerHelper(CombinerChangeObserver &Observer,
+CombinerHelper::CombinerHelper(GISelChangeObserver &Observer,
MachineIRBuilder &B)
: Builder(B), MRI(Builder.getMF().getRegInfo()), Observer(Observer) {}