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38 lines
1.0 KiB
LLVM
38 lines
1.0 KiB
LLVM
; RUN: opt < %s -correlated-propagation
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; PR8161
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define void @test1() nounwind ssp {
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entry:
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br label %for.end
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for.cond.us.us: ; preds = %for.cond.us.us
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%cmp6.i.us.us = icmp sgt i32 1, 0
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%lor.ext.i.us.us = zext i1 %cmp6.i.us.us to i32
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%lor.ext.add.i.us.us = select i1 %cmp6.i.us.us, i32 %lor.ext.i.us.us, i32 undef
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%conv.i.us.us = trunc i32 %lor.ext.add.i.us.us to i16
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%sext.us.us = shl i16 %conv.i.us.us, 8
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%conv6.us.us = ashr i16 %sext.us.us, 8
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%and.us.us = and i16 %conv6.us.us, %and.us.us
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br i1 false, label %for.end, label %for.cond.us.us
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for.end: ; preds = %for.cond.us, %for.cond.us.us, %entry
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ret void
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}
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; PR 8790
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define void @test2() nounwind ssp {
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entry:
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br label %func_29.exit
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sdf.exit.i:
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%l_44.1.mux.i = select i1 %tobool5.not.i, i8 %l_44.1.mux.i, i8 1
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br label %srf.exit.i
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srf.exit.i:
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%tobool5.not.i = icmp ne i8 undef, 0
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br i1 %tobool5.not.i, label %sdf.exit.i, label %func_29.exit
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func_29.exit:
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ret void
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}
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