new testcase for a bug Jim found

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21695 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LowerSetJmp/2005-05-05-OldUses.ll b/test/Transforms/LowerSetJmp/2005-05-05-OldUses.ll
new file mode 100644 (file)
index 0000000..72b756c
--- /dev/null
+++ b/test/Transforms/LowerSetJmp/2005-05-05-OldUses.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | opt -lowersetjmp
+       %lldb.compile_unit = type { uint, ushort, ushort, sbyte*, sbyte*, sbyte*, {  }* }
+%d.compile_unit = external global %lldb.compile_unit           ; <%lldb.compile_unit*> [#uses=1]
+
+implementation   ; Functions:
+
+declare {  }* %llvm.dbg.stoppoint({  }*, uint, uint, %lldb.compile_unit*)
+
+declare void %llvm.longjmp(int*, int)
+
+void %rb_iterate() {
+entry:
+       br bool false, label %then.1, label %else.0
+
+then.1:                ; preds = %entry
+       call void %llvm.longjmp( int* null, int 0 )
+       %dbg.tmp.57 = call {  }* %llvm.dbg.stoppoint( {  }* null, uint 5056, uint 0, %lldb.compile_unit* %d.compile_unit )              ; <{  }*> [#uses=1]
+       store {  }* %dbg.tmp.57, {  }** null
+       ret void
+
+else.0:                ; preds = %entry
+       ret void
+}