1 ; RUN: llc -march=thumb -mattr=+v6t2 < %s | FileCheck %s
3 %struct.F = type { [3 x i8], i8 }
5 @X = common global %struct.F zeroinitializer, align 4 ; <%struct.F*> [#uses=1]
7 define void @f1([1 x i32] %f.coerce0) nounwind {
11 ; CHECK: bfi r1, r2, #22, #4
12 %0 = load i32* bitcast (%struct.F* @X to i32*), align 4 ; <i32> [#uses=1]
13 %1 = and i32 %0, -62914561 ; <i32> [#uses=1]
14 %2 = or i32 %1, 41943040 ; <i32> [#uses=1]
15 store i32 %2, i32* bitcast (%struct.F* @X to i32*), align 4
19 define i32 @f2(i32 %A, i32 %B) nounwind readnone optsize {
22 ; CHECK: lsrs r1, r1, #7
23 ; CHECK: bfi r0, r1, #7, #16
24 %and = and i32 %A, -8388481 ; <i32> [#uses=1]
25 %and2 = and i32 %B, 8388480 ; <i32> [#uses=1]
26 %or = or i32 %and2, %and ; <i32> [#uses=1]
30 define i32 @f3(i32 %A, i32 %B) nounwind readnone optsize {
33 ; CHECK: lsrs {{.*}}, #7
34 ; CHECK: bfi {{.*}}, #7, #16
35 %and = and i32 %A, 8388480 ; <i32> [#uses=1]
36 %and2 = and i32 %B, -8388481 ; <i32> [#uses=1]
37 %or = or i32 %and2, %and ; <i32> [#uses=1]
42 define i32 @f4(i32 %a) nounwind {
44 ; CHECK: movw [[R1:r[0-9]+]], #3137
45 ; CHECK: bfi [[R1]], {{.*}}, #15, #5
47 %ins7 = and i32 %1, 1015808
48 %ins12 = or i32 %ins7, 3137
53 define i32 @f5(i32 %a, i32 %b) nounwind readnone {
56 ; CHECK-NOT: bfi r0, r2, #0, #1
58 %b.masked = and i32 %b, -2
59 %and3 = or i32 %b.masked, %and