| ; RUN: llc -march=thumb -mattr=+v6t2 < %s | FileCheck %s |
| |
| %struct.F = type { [3 x i8], i8 } |
| |
| @X = common global %struct.F zeroinitializer, align 4 ; <%struct.F*> [#uses=1] |
| |
| define void @f1([1 x i32] %f.coerce0) nounwind { |
| entry: |
| ; CHECK: f1 |
| ; CHECK: movs r2, #10 |
| ; CHECK: bfi r1, r2, #22, #4 |
| %0 = load i32* bitcast (%struct.F* @X to i32*), align 4 ; <i32> [#uses=1] |
| %1 = and i32 %0, -62914561 ; <i32> [#uses=1] |
| %2 = or i32 %1, 41943040 ; <i32> [#uses=1] |
| store i32 %2, i32* bitcast (%struct.F* @X to i32*), align 4 |
| ret void |
| } |
| |
| define i32 @f2(i32 %A, i32 %B) nounwind readnone optsize { |
| entry: |
| ; CHECK: f2 |
| ; CHECK: lsrs r1, r1, #7 |
| ; CHECK: bfi r0, r1, #7, #16 |
| %and = and i32 %A, -8388481 ; <i32> [#uses=1] |
| %and2 = and i32 %B, 8388480 ; <i32> [#uses=1] |
| %or = or i32 %and2, %and ; <i32> [#uses=1] |
| ret i32 %or |
| } |
| |
| define i32 @f3(i32 %A, i32 %B) nounwind readnone optsize { |
| entry: |
| ; CHECK: f3 |
| ; CHECK: lsrs {{.*}}, #7 |
| ; CHECK: bfi {{.*}}, #7, #16 |
| %and = and i32 %A, 8388480 ; <i32> [#uses=1] |
| %and2 = and i32 %B, -8388481 ; <i32> [#uses=1] |
| %or = or i32 %and2, %and ; <i32> [#uses=1] |
| ret i32 %or |
| } |
| |
| ; rdar://8752056 |
| define i32 @f4(i32 %a) nounwind { |
| ; CHECK: f4 |
| ; CHECK: movw [[R1:r[0-9]+]], #3137 |
| ; CHECK: bfi [[R1]], {{.*}}, #15, #5 |
| %1 = shl i32 %a, 15 |
| %ins7 = and i32 %1, 1015808 |
| %ins12 = or i32 %ins7, 3137 |
| ret i32 %ins12 |
| } |
| |
| ; rdar://9177502 |
| define i32 @f5(i32 %a, i32 %b) nounwind readnone { |
| entry: |
| ; CHECK: f5 |
| ; CHECK-NOT: bfi r0, r2, #0, #1 |
| %and = and i32 %a, 2 |
| %b.masked = and i32 %b, -2 |
| %and3 = or i32 %b.masked, %and |
| ret i32 %and3 |
| } |