<commit_before>; This test makes sure that these instructions are properly eliminated.
;

; RUN: if as < %s | opt -instcombine -dce | dis | grep sub
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

implementation

int "test1"(int %A) {
	%B = sub int %A, %A    ; ISA constant 0
	ret int %B
}

int "test2"(int %A) {
	%B = sub int %A, 0
	ret int %B
}

int "test3"(int %A) {
	%B = sub int 0, %A       ; B = -A
	%C = sub int 0, %B       ; C = -B = A
	ret int %C
}

int "test4"(int %A, int %x) {
	%B = sub int 0, %A
	%C = sub int %x, %B
	ret int %C
}

int "test5"(int %A, int %B, int %C) {
	%D = sub int %B, %C
	%E = sub int %A, %D
	ret int %E
}<commit_msg>Fix broken testcase<commit_after>; This test makes sure that these instructions are properly eliminated.
;

; RUN: if as < %s | opt -instcombine -dce | dis | grep sub | grep -v 'sub int %Cok, %Bok'
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi

implementation

int "test1"(int %A) {
	%B = sub int %A, %A    ; ISA constant 0
	ret int %B
}

int "test2"(int %A) {
	%B = sub int %A, 0
	ret int %B
}

int "test3"(int %A) {
	%B = sub int 0, %A       ; B = -A
	%C = sub int 0, %B       ; C = -B = A
	ret int %C
}

int "test4"(int %A, int %x) {
	%B = sub int 0, %A
	%C = sub int %x, %B
	ret int %C
}

int "test5"(int %A, int %Bok, int %Cok) {
	%D = sub int %Bok, %Cok
	%E = sub int %A, %D
	ret int %E
}
{'fraction_non_alphanumeric': 0.170007423904974, 'fraction_numerical': 0.017817371937639197, 'mean_word_length': 2.483204134366925, 'pattern_counts': {'":': 0, '<': 5, '<?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': '6941027', 'n_tokens_mistral': 642, 'n_tokens_neox': 603, 'n_words': 240}