llvm-project/llvm/test/CodeGen/Thumb2/bfi.ll

; 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  r2, r0, #7
; CHECK: mov r0, r1
; CHECK: bfi r0, r2, #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
}