2006-03-14 08:13:09 +00:00
|
|
|
; This should be one add and two multiplies.
|
|
|
|
|
2009-09-11 18:36:27 +00:00
|
|
|
; RUN: opt < %s -reassociate -instcombine -S > %t
|
2007-08-15 13:36:28 +00:00
|
|
|
; RUN: grep mul %t | count 2
|
|
|
|
; RUN: grep add %t | count 1
|
2006-03-14 08:13:09 +00:00
|
|
|
|
2008-03-19 04:36:04 +00:00
|
|
|
define i32 @test(i32 %A, i32 %B, i32 %C) {
|
|
|
|
%aa = mul i32 %A, %A ; <i32> [#uses=1]
|
|
|
|
%aab = mul i32 %aa, %B ; <i32> [#uses=1]
|
|
|
|
%ac = mul i32 %A, %C ; <i32> [#uses=1]
|
|
|
|
%aac = mul i32 %ac, %A ; <i32> [#uses=1]
|
|
|
|
%r = add i32 %aab, %aac ; <i32> [#uses=1]
|
|
|
|
ret i32 %r
|
2006-03-14 08:13:09 +00:00
|
|
|
}
|
2008-03-19 04:36:04 +00:00
|
|
|
|