new testcase

llvm-svn: 21787
2005-05-08 21:41:18 +00:00 · 2005-05-08 21:41:18 +00:00 · ce7d145b20
parent c4f8e2b0ed
commit ce7d145b20
1 changed files with 8 additions and 0 deletions
--- a/llvm/test/Regression/Transforms/Reassociate/mul-neg-add.ll
+++ b/llvm/test/Regression/Transforms/Reassociate/mul-neg-add.ll
@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | not grep 'sub int 0'
+
+int %test(int %X, int %Y, int %Z) {
+	%A = sub int 0, %X
+	%B = mul int %A, %Y
+	%C = add int %B, %Z   ; (-X)*Y + Z -> Z-X*Y
+	ret int %C
+}