1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/AMDGPUISelLowering.h b/lib/Target/AMDGPU/AMDGPUISelLowering.h
index 3f8a9b1964ca5..5c31bddd9b1af 100644
--- a/lib/Target/AMDGPU/AMDGPUISelLowering.h
+++ b/lib/Target/AMDGPU/AMDGPUISelLowering.h
@@ -202,6 +202,16 @@ public:
 
   const char* getTargetNodeName(unsigned Opcode) const override;
 
+  // FIXME: Turn off MergeConsecutiveStores() before Instruction Selection
+  // for AMDGPU.
+  // A commit ( git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319036
+  // 91177308-0d34-0410-b5e6-96231b3b80d8 ) turned on
+  // MergeConsecutiveStores() before Instruction Selection for all targets.
+  // Enough AMDGPU compiles go into an infinite loop ( MergeConsecutiveStores()
+  // merges two stores; LegalizeStoreOps() un-merges; MergeConsecutiveStores()
+  // re-merges, etc. ) to warrant turning it off for now.
+  bool mergeStoresAfterLegalization() const override { return false; }
+
   bool isFsqrtCheap(SDValue Operand, SelectionDAG &DAG) const override {
     return true;
   }