1 ; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s
3 define i32 @test0(i8 %A) {
4 ; CHECK: test0
5 ; CHECK: sxtb r0, r0
6 %B = sext i8 %A to i32
7 ret i32 %B
8 }
10 define signext i8 @test1(i32 %A) {
11 ; CHECK: test1
12 ; CHECK: lsr r0, r0, #8
13 ; CHECK: sxtb r0, r0
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 }
21 define signext i32 @test2(i32 %A, i32 %X) {
22 ; CHECK: test2
23 ; CHECK: sxtab r0, r1, r0
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 }