Add more tests for r179925 to verify correct handling of signext/zeroext; strengthen condition check to require actual MVT::i32 virtual register types, just in case (no actual functionality change)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180138 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 8658e97..46af457 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1252,7 +1252,8 @@
     // Pass 'this' value directly from the argument to return value, to avoid
     // reg unit interference
     if (i == 0 && isThisReturn) {
-      assert(!VA.needsCustom() && VA.getLocVT() == MVT::i32);
+      assert(!VA.needsCustom() && VA.getLocVT() == MVT::i32 &&
+             "unexpected return calling convention register assignment");
       InVals.push_back(ThisVal);
       continue;
     }
@@ -1466,8 +1467,10 @@
                          StackPtr, MemOpChains, Flags);
       }
     } else if (VA.isRegLoc()) {
-      if (realArgIdx == 0 && Flags.isReturned() && VA.getLocVT() == MVT::i32) {
-        assert(!Ins.empty() && Ins[0].VT == Outs[0].VT &&
+      if (realArgIdx == 0 && Flags.isReturned() && Outs[0].VT == MVT::i32) {
+        assert(VA.getLocVT() == MVT::i32 &&
+               "unexpected calling convention register assignment");
+        assert(!Ins.empty() && Ins[0].VT == MVT::i32 &&
                "unexpected use of 'returned'");
         isThisReturn = true;
       }