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; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 %s -o - | FileCheck %s
define i32 @f1(i32 %a) {
entry:
; CHECK-LABEL: f1:
; CHECK: sbfx r0, r0, #0, #20
%tmp = shl i32 %a, 12
%tmp2 = ashr i32 %tmp, 12
ret i32 %tmp2
}
define i32 @f2(i32 %a) {
entry:
; CHECK-LABEL: f2:
; CHECK: bfc r0, #20, #12
%tmp = shl i32 %a, 12
%tmp2 = lshr i32 %tmp, 12
ret i32 %tmp2
}
define i32 @f3(i32 %a) {
entry:
; CHECK-LABEL: f3:
; CHECK: sbfx r0, r0, #5, #3
%tmp = shl i32 %a, 24
%tmp2 = ashr i32 %tmp, 29
ret i32 %tmp2
}
define i32 @f4(i32 %a) {
entry:
; CHECK-LABEL: f4:
; CHECK: ubfx r0, r0, #5, #3
%tmp = shl i32 %a, 24
%tmp2 = lshr i32 %tmp, 29
ret i32 %tmp2
}
define i32 @f5(i32 %a) {
entry:
; CHECK-LABEL: f5:
; CHECK-NOT: sbfx
; CHECK: bx
%tmp = shl i32 %a, 3
%tmp2 = ashr i32 %tmp, 1
ret i32 %tmp2
}
define signext i8 @f6(i32 %a) {
; CHECK-LABEL: f6:
; CHECK: sbfx r0, r0, #23, #8
%tmp = lshr i32 %a, 23
%res = trunc i32 %tmp to i8
ret i8 %res
}
define signext i8 @f7(i32 %a) {
; CHECK-LABEL: f7:
; CHECK-NOT: sbfx
%tmp = lshr i32 %a, 25
%res = trunc i32 %tmp to i8
ret i8 %res
}
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