[Reassociate] Canonicalize negative constants out of expressions.
This is a reapplication of r221171, but we only perform the transformation
on expressions which include a multiplication. We do not transform rem/div
operations as this doesn't appear to be safe in all cases.
llvm-svn: 221721
diff --git a/llvm/test/Transforms/Reassociate/basictest.ll b/llvm/test/Transforms/Reassociate/basictest.ll
index d70bfcb..0194ce2 100644
--- a/llvm/test/Transforms/Reassociate/basictest.ll
+++ b/llvm/test/Transforms/Reassociate/basictest.ll
@@ -203,7 +203,7 @@
; CHECK-LABEL: @test14
; CHECK-NEXT: sub i32 %X1, %X2
-; CHECK-NEXT: mul i32 %tmp, 47
+; CHECK-NEXT: mul i32 %B2, 47
; CHECK-NEXT: ret i32
}