AMDGPU/GlobalISel: Select flat stores

llvm-svn: 366246
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
index f8f8959..25e72bb 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
@@ -856,7 +856,7 @@
   unsigned StoreSize = RBI.getSizeInBits(I.getOperand(0).getReg(), MRI, TRI);
   unsigned Opcode;
 
-  // FIXME: Select store instruction based on address space
+  // FIXME: Remove this when integers > s32 naturally selected.
   switch (StoreSize) {
   default:
     return false;
@@ -1363,6 +1363,8 @@
   case TargetOpcode::G_SELECT:
     return selectG_SELECT(I);
   case TargetOpcode::G_STORE:
+    if (selectImpl(I, CoverageInfo))
+      return true;
     return selectG_STORE(I);
   case TargetOpcode::G_TRUNC:
     return selectG_TRUNC(I);
@@ -1545,7 +1547,7 @@
   }};
 }
 
-  template <bool Signed>
+template <bool Signed>
 InstructionSelector::ComplexRendererFns
 AMDGPUInstructionSelector::selectFlatOffsetImpl(MachineOperand &Root) const {
   MachineInstr *MI = Root.getParent();