1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 | FileCheck %s
; RUN: llc < %s -march=thumb -mcpu=arm1156t2-s -mattr=+thumb2 \
; RUN: -arm-use-mulops=false | FileCheck %s -check-prefix=NO_MULOPS
define i32 @f1(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = add i32 %c, %tmp1
ret i32 %tmp2
}
; CHECK-LABEL: f1:
; CHECK: mla r0, r0, r1, r2
; NO_MULOPS-LABEL: f1:
; NO_MULOPS: muls r0, r1, r0
; NO_MULOPS-NEXT: add r0, r2
define i32 @f2(i32 %a, i32 %b, i32 %c) {
%tmp1 = mul i32 %a, %b
%tmp2 = add i32 %tmp1, %c
ret i32 %tmp2
}
; CHECK-LABEL: f2:
; CHECK: mla r0, r0, r1, r2
; NO_MULOPS-LABEL: f2:
; NO_MULOPS: muls r0, r1, r0
; NO_MULOPS-NEXT: add r0, r2
|
