New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2419 91177308-0d34-0410-b5e6-96231b3b80d8

test/Transforms/Mem2Reg/PromoteMemToRegister.ll

@@ -0,0 +1,27 @@
+; Simple sanity check testcase.  Both alloca's should be eliminated.
+; RUN: if as < %s | opt -mem2reg | dis | grep 'alloca'
+; RUN: then exit 1
+; RUN: else exit 0
+; RUN: fi
+
+implementation
+
+double "testfunc"(int %i, double %j)
+begin
+	%I = alloca int
+	%J = alloca double
+
+	store int %i, int* %I
+	store double %j, double* %J
+
+	%t1 = load int* %I
+	%t2 = add int %t1, 1
+	store int %t2, int* %I
+
+	%t3 = load int* %I
+	%t4 = cast int %t3 to double
+	%t5 = load double* %J
+	%t6 = mul double %t4, %t5
+
+	ret double %t6
+end