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| ; RUN: llc -mtriple=thumb-eabi -mattr=+v6t2 %s -o - | 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, 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
}
|