2007-03-24-cntlzd.ll   [plain text]

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

define i32 @_ZNK4llvm5APInt17countLeadingZerosEv(i64 *%t) nounwind {
        %tmp19 = load i64* %t
        %tmp22 = tail call i64 @llvm.ctlz.i64( i64 %tmp19, i1 true )             ; <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, i1)