2002-05-06 05:43:36 +00:00
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; This test makes sure that these instructions are properly eliminated.
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;
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2002-10-08 16:09:47 +00:00
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; RUN: if as < %s | opt -instcombine | dis | grep or\
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2002-05-06 05:43:36 +00:00
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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implementation
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2003-02-18 18:06:44 +00:00
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int %test1(int %A) {
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2002-05-06 05:43:36 +00:00
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%B = or int %A, 0
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ret int %B
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}
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2003-02-18 18:06:44 +00:00
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int %test2(int %A) {
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2002-05-06 05:43:36 +00:00
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%B = or int %A, -1
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ret int %B
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}
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2003-02-18 18:06:44 +00:00
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bool %test3(bool %A) {
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2002-05-06 05:43:36 +00:00
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%B = or bool %A, false
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ret bool %B
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}
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2003-02-18 18:06:44 +00:00
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bool %test4(bool %A) {
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2002-05-06 05:43:36 +00:00
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%B = or bool %A, true
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ret bool %B
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}
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2003-02-18 18:06:44 +00:00
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bool %test5(bool %A) {
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2002-05-06 05:43:36 +00:00
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%B = xor bool %A, false
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ret bool %B
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}
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2003-02-18 18:06:44 +00:00
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int %test6(int %A) {
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2002-05-06 05:43:36 +00:00
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%B = xor int %A, 0
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ret int %B
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}
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2003-02-18 18:06:44 +00:00
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bool %test7(bool %A) {
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2002-05-06 05:51:26 +00:00
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%B = xor bool %A, %A
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ret bool %B
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}
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2003-02-18 18:06:44 +00:00
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int %test8(int %A) {
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2002-05-06 05:51:26 +00:00
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%B = xor int %A, %A
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ret int %B
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}
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2003-02-18 18:06:44 +00:00
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bool %test9(bool %A) {
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2002-05-06 05:51:26 +00:00
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%B = or bool %A, %A
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ret bool %B
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}
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2003-02-18 18:06:44 +00:00
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int %test10(int %A) {
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2002-05-06 05:51:26 +00:00
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%B = or int %A, %A
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ret int %B
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}
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2003-02-18 19:28:47 +00:00
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int %test11(int %A) { ; A ^ ~A == -1
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%NotA = xor int -1, %A
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%B = xor int %A, %NotA
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ret int %B
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}
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int %test12(int %A) { ; A | ~A == -1
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%NotA = xor int -1, %A
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%B = or int %A, %NotA
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ret int %B
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}
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