Remove llvm-upgrade and update tests.

llvm-svn: 47432
diff --git a/llvm/test/CodeGen/X86/weak.ll b/llvm/test/CodeGen/X86/weak.ll
index 1397b19..28638af 100644
--- a/llvm/test/CodeGen/X86/weak.ll
+++ b/llvm/test/CodeGen/X86/weak.ll
@@ -1,3 +1,4 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86
-%a = extern_weak global int
-%b = global int* %a
+; RUN: llvm-as < %s | llc -march=x86
+@a = extern_weak global i32             ; <i32*> [#uses=1]
+@b = global i32* @a             ; <i32**> [#uses=0]
+