2002-04-29 22:24:24 +00:00
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; This test makes sure that mul instructions are properly eliminated.
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;
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2002-08-02 19:27:58 +00:00
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; RUN: if as < %s | opt -instcombine | dis | grep mul
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2002-04-29 22:24:24 +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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2003-03-10 19:44:01 +00:00
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int %test1(int %A) {
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2002-04-29 22:24:24 +00:00
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%B = mul int %A, 1
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ret int %B
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2003-03-10 19:44:01 +00:00
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}
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2002-04-29 22:24:24 +00:00
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2003-03-10 19:44:01 +00:00
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int %test2(int %A) {
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2002-04-29 22:24:24 +00:00
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%B = mul int %A, 2 ; Should convert to an add instruction
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ret int %B
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2003-03-10 19:44:01 +00:00
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}
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2002-04-29 22:24:24 +00:00
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2003-03-10 19:44:01 +00:00
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int %test3(int %A) {
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2002-04-29 22:24:24 +00:00
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%B = mul int %A, 0 ; This should disappear entirely
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ret int %B
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2003-03-10 19:44:01 +00:00
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}
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2002-04-29 22:24:24 +00:00
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2003-02-18 19:28:47 +00:00
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double %test4(double %A) {
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%B = mul double 1.0, %A ; This is safe for FP
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ret double %B
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}
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int %test5(int %A) {
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%B = mul int %A, 8
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ret int %B
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}
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2003-03-10 22:43:56 +00:00
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int %test6(ubyte %A) {
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%B = mul ubyte %A, 8
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%C = mul ubyte %B, 13
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ret ubyte %C
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}
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