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https://github.com/c64scene-ar/llvm-6502.git
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26 lines
1.1 KiB
LLVM
26 lines
1.1 KiB
LLVM
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; This test makes sure that these instructions are properly eliminated.
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;
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; RUN: opt < %s -instcombine -S | \
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; RUN: not grep {tobool}
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; END.
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define i32 @main(i32 %argc, i8** %argv) nounwind ssp {
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entry:
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%and = and i32 %argc, 1 ; <i32> [#uses=1]
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%tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
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%tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%retval.0 = select i1 %or.cond, i32 2, i32 1 ; <i32> [#uses=1]
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ret i32 %retval.0
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}
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define i32 @main2(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
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entry:
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%and = and i32 %argc, 1 ; <i32> [#uses=1]
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%tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
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%and2 = and i32 %argc, 2 ; <i32> [#uses=1]
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%tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
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%or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
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%storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]
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ret i32 %storemerge
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}
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