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22 lines
538 B
LLVM
22 lines
538 B
LLVM
; RUN: opt < %s -simplifycfg -S | grep select
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; RUN: opt < %s -simplifycfg -S | grep br | count 2
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define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind {
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entry:
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%tmp1 = icmp eq i32 %b, 0
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br i1 %tmp1, label %bb1, label %bb3
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bb1: ; preds = %entry
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%tmp2 = icmp sgt i32 %c, 1
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br i1 %tmp2, label %bb2, label %bb3
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bb2: ; preds = bb1
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%tmp3 = add i32 %a, 1
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br label %bb3
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bb3: ; preds = %bb2, %entry
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%tmp4 = phi i32 [ %b, %entry ], [ %a, %bb1 ], [ %tmp3, %bb2 ]
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%tmp5 = sub i32 %tmp4, 1
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ret i32 %tmp5
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}
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