1; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk %s -o - \
2; RUN:  | FileCheck %s
3
4define i32 @test0(i8 %A) {
5; CHECK-LABEL: test0:
6; CHECK: sxtb r0, r0
7        %B = sext i8 %A to i32
8	ret i32 %B
9}
10
11define signext i8 @test1(i32 %A)  {
12; CHECK-LABEL: test1:
13; CHECK: sbfx r0, r0, #8, #8
14	%B = lshr i32 %A, 8
15	%C = shl i32 %A, 24
16	%D = or i32 %B, %C
17	%E = trunc i32 %D to i8
18	ret i8 %E
19}
20
21define signext i32 @test2(i32 %A, i32 %X)  {
22; CHECK-LABEL: test2:
23; CHECK: sxtab  r0, r1, r0, ror #8
24	%B = lshr i32 %A, 8
25	%C = shl i32 %A, 24
26	%D = or i32 %B, %C
27	%E = trunc i32 %D to i8
28        %F = sext i8 %E to i32
29        %G = add i32 %F, %X
30	ret i32 %G
31}
32
33define i32 @test3(i32 %A, i32 %X) {
34; CHECK-LABEL: test3:
35; CHECK: sxtah r0, r0, r1, ror #8
36  %X.hi = lshr i32 %X, 8
37  %X.trunc = trunc i32 %X.hi to i16
38  %addend = sext i16 %X.trunc to i32
39
40  %sum = add i32 %A, %addend
41  ret i32 %sum
42}
43