2009-11-22 16:18:27 +01:00
|
|
|
; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
|
2009-06-26 20:10:30 +02:00
|
|
|
|
|
|
|
define i32 @f1(i32 %a, i32 %b, i32 %c) {
|
|
|
|
%tmp1 = mul i32 %a, %b
|
|
|
|
%tmp2 = sub i32 %c, %tmp1
|
|
|
|
ret i32 %tmp2
|
|
|
|
}
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f1:
|
2009-11-22 16:18:27 +01:00
|
|
|
; CHECK: mls r0, r0, r1, r2
|
2009-06-26 20:10:30 +02:00
|
|
|
|
|
|
|
; sub doesn't commute, so no mls for this one
|
|
|
|
define i32 @f2(i32 %a, i32 %b, i32 %c) {
|
|
|
|
%tmp1 = mul i32 %a, %b
|
|
|
|
%tmp2 = sub i32 %tmp1, %c
|
|
|
|
ret i32 %tmp2
|
|
|
|
}
|
2013-07-14 08:24:09 +02:00
|
|
|
; CHECK-LABEL: f2:
|
2012-02-24 01:33:36 +01:00
|
|
|
; CHECK: muls r0, r1, r0
|
2009-11-22 16:18:27 +01:00
|
|
|
|