Simple hand-coded tests to aid in early development of backends, along with a
Makefile to run ad-hoc tests easily.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/print-mul.ll b/test/CodeGen/Generic/print-mul.ll
new file mode 100644
index 0000000..e406545
--- /dev/null
+++ b/test/CodeGen/Generic/print-mul.ll
@@ -0,0 +1,33 @@
+%a_str = internal constant [8 x sbyte] c"a = %d\0A\00"
+%b_str = internal constant [8 x sbyte] c"b = %d\0A\00"
+
+;; mul
+%a_mul_str = internal constant [13 x sbyte] c"a * %d = %d\0A\00"
+
+declare int %printf(sbyte*, ...)
+%A = global int 2
+%B = global int 5
+
+int %main() {
+entry:
+ %a = load int* %A
+ %b = load int* %B
+ %a_s = getelementptr [8 x sbyte]* %a_str, long 0, long 0
+ %b_s = getelementptr [8 x sbyte]* %b_str, long 0, long 0
+ %a_mul_s = getelementptr [13 x sbyte]* %a_mul_str, long 0, long 0
+ call int (sbyte*, ...)* %printf(sbyte* %a_s, int %a)
+ call int (sbyte*, ...)* %printf(sbyte* %b_s, int %b)
+ br label %shl_test
+
+shl_test:
+ ;; test mul by 0-255
+ %s = phi int [ 0, %entry ], [ %s_inc, %shl_test ]
+ %result = mul int %a, %s
+ call int (sbyte*, ...)* %printf(sbyte* %a_mul_s, int %s, int %result)
+ %s_inc = add int %s, 1
+ %done = seteq int %s, 256
+ br bool %done, label %fini, label %shl_test
+
+fini:
+ ret int 0
+}