[LLC][MIPS] Fix crash after enabling LLVM_ENABLE_EXPENSIVE_CHECKS

Reviewers: sdardis, vkalintiris

Subscribers: jaydeep, slthakur, RKSimon, llvm-commits
Differential Revision: https://reviews.llvm.org/D27841

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290949 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
index 6f0fdddd7d55ce70039f0600aac97ce7b453d2cd..92d3c001df9408fae42d621f5078c0df01c573d2 100644 (file)
--- a/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
+++ b/lib/Target/Mips/MipsSEISelDAGToDAG.cpp
@@ -28,6 +28,7 @@
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/Type.h"
+#include "llvm/IR/Dominators.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
@@ -43,6 +44,11 @@ bool MipsSEDAGToDAGISel::runOnMachineFunction(MachineFunction &MF) {
   return MipsDAGToDAGISel::runOnMachineFunction(MF);
 }
 
+void MipsSEDAGToDAGISel::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.addRequired<DominatorTreeWrapperPass>();
+  SelectionDAGISel::getAnalysisUsage(AU);
+}
+
 void MipsSEDAGToDAGISel::addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI,
                                                MachineFunction &MF) {
   MachineInstrBuilder MIB(MF, &MI);

diff --git a/lib/Target/Mips/MipsSEISelDAGToDAG.h b/lib/Target/Mips/MipsSEISelDAGToDAG.h
index 2a8e5877e848ef2c34667edcf10c9dd0e81c9a1f..f89a350cab044f4e3e97ab1b2e3457fda4506b66 100644 (file)
--- a/lib/Target/Mips/MipsSEISelDAGToDAG.h
+++ b/lib/Target/Mips/MipsSEISelDAGToDAG.h
@@ -28,6 +28,8 @@ private:
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 
+  void getAnalysisUsage(AnalysisUsage &AU) const override;
+
   void addDSPCtrlRegOperands(bool IsDef, MachineInstr &MI,
                              MachineFunction &MF);