new testcase

llvm-svn: 18675

llvm/test/Regression/Transforms/InstCombine/sink_instruction.ll

@@ -0,0 +1,17 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | %prcontext div 1 | grep ret
+
+;; This tests that the instructions in the entry blocks are sunk into each
+;; arm of the 'if'.
+
+int %foo(bool %C, int %A, int %B) {
+entry:
+	%tmp.2 = div int %A, %B
+	%tmp.9 = add int %B, %A
+	br bool %C, label %then, label %endif
+
+then:
+	ret int %tmp.9
+
+endif:
+	ret int %tmp.2
+}