diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp
index 6d53d11988f..0c494ef12e4 100644
--- a/lib/IR/AutoUpgrade.cpp
+++ b/lib/IR/AutoUpgrade.cpp
@@ -460,9 +460,9 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
         Imm = 4;
       else if (Name.startswith("ne"))
         Imm = 5;
-      else if (Name.startswith("true"))
-        Imm = 6;
       else if (Name.startswith("false"))
+        Imm = 6;
+      else if (Name.startswith("true"))
         Imm = 7;
       else
         llvm_unreachable("Unknown condition");