Add testcases for negated multiplies

llvm-svn: 5739
2003-03-10 23:22:50 +00:00 · 2003-03-10 23:22:50 +00:00 · d7342fbd92
parent 3e327a4334
commit d7342fbd92
1 changed files with 13 additions and 0 deletions
--- a/llvm/test/Regression/Transforms/InstCombine/sub.ll
+++ b/llvm/test/Regression/Transforms/InstCombine/sub.ll
@ -59,3 +59,16 @@ int %test9(int %A) {
        ret int %C
 }

+int %test10(int %A, int %B) {    ; -A*-B == A*B
+	%C = sub int 0, %A
+	%D = sub int 0, %B
+	%E = mul int %C, %D
+	ret int %E
+}
+
+int %test10(int %A) {    ; -A *c1 == A * -c1
+	%C = sub int 0, %A
+	%E = mul int %C, 7
+	ret int %E
+}
+