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; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+t2xtpk %s -o - \
; RUN: | FileCheck %s
define i32 @test0(i8 %A) {
; CHECK-LABEL: test0:
; CHECK: sxtb r0, r0
%B = sext i8 %A to i32
ret i32 %B
}
define signext i8 @test1(i32 %A) {
; CHECK-LABEL: test1:
; CHECK: sbfx r0, r0, #8, #8
%B = lshr i32 %A, 8
%C = shl i32 %A, 24
%D = or i32 %B, %C
%E = trunc i32 %D to i8
ret i8 %E
}
define signext i32 @test2(i32 %A, i32 %X) {
; CHECK-LABEL: test2:
; CHECK: sxtab r0, r1, r0, ror #8
%B = lshr i32 %A, 8
%C = shl i32 %A, 24
%D = or i32 %B, %C
%E = trunc i32 %D to i8
%F = sext i8 %E to i32
%G = add i32 %F, %X
ret i32 %G
}
define i32 @test3(i32 %A, i32 %X) {
; CHECK-LABEL: test3:
; CHECK: sxtah r0, r0, r1, ror #8
%X.hi = lshr i32 %X, 8
%X.trunc = trunc i32 %X.hi to i16
%addend = sext i16 %X.trunc to i32
%sum = add i32 %A, %addend
ret i32 %sum
}
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