<commit_before>; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep uxtb | count 1
; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep uxtab | count 1
; RUN: llc < %s -march=thumb -mattr=+thumb2 | grep uxth | count 1

define i8 @test1(i32 %A.u) zeroext {
    %B.u = trunc i32 %A.u to i8
    ret i8 %B.u
}

define i32 @test2(i32 %A.u, i32 %B.u) zeroext {
    %C.u = trunc i32 %B.u to i8
    %D.u = zext i8 %C.u to i32
    %E.u = add i32 %A.u, %D.u
    ret i32 %E.u
}

define i32 @test3(i32 %A.u) zeroext {
    %B.u = lshr i32 %A.u, 8
    %C.u = shl i32 %A.u, 24
    %D.u = or i32 %B.u, %C.u
    %E.u = trunc i32 %D.u to i16
    %F.u = zext i16 %E.u to i32
    ret i32 %F.u<commit_msg>Convert to FileCheck<commit_after>; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s

define i8 @test1(i32 %A.u) zeroext {
; CHECK: test1
; CHECK: uxtb r0, r0
    %B.u = trunc i32 %A.u to i8
    ret i8 %B.u
}

define i32 @test2(i32 %A.u, i32 %B.u) zeroext {
; CHECK: test2
; CHECK: uxtab  r0, r0, r1
    %C.u = trunc i32 %B.u to i8
    %D.u = zext i8 %C.u to i32
    %E.u = add i32 %A.u, %D.u
    ret i32 %E.u
}

define i32 @test3(i32 %A.u) zeroext {
; CHECK: test3
; CHECK: uxth.w r0, r0, ror #8
    %B.u = lshr i32 %A.u, 8
    %C.u = shl i32 %A.u, 24
    %D.u = or i32 %B.u, %C.u
    %E.u = trunc i32 %D.u to i16
    %F.u = zext i16 %E.u to i32
    ret i32 %F.u
{'fraction_non_alphanumeric': 0.17246484085862324, 'fraction_numerical': 0.08586232420429311, 'mean_word_length': 2.1962174940898347, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4025964', 'n_tokens_mistral': 758, 'n_tokens_neox': 701, 'n_words': 210}