File: 2007-03-24-cntlzd.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -march=ppc64 -mcpu=g5 | grep cntlzd

define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) {
        %tmp19 = load i64* %t
        %tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19 )             ; <i64> [#uses=1]
        %tmp23 = trunc i64 %tmp22 to i32
        %tmp89 = add i32 %tmp23, -64          ; <i32> [#uses=1]
        %tmp90 = add i32 %tmp89, 0            ; <i32> [#uses=1]
        ret i32 %tmp90
}

declare i64 @llvm.ctlz.i64(i64)