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1; RUN: opt < %s -passes=instcombine -S | grep "fadd double .sx, .sy"2; The 'or' has multiple uses, make sure that this doesn't prevent instcombine3; from propagating the extends to the truncs.4 5define double @ScaleObjectAdd(double %sx, double %sy, double %sz) nounwind {6entry:7 %sx34 = bitcast double %sx to i64 ; <i64> [#uses=1]8 %sx3435 = zext i64 %sx34 to i192 ; <i192> [#uses=1]9 %sy22 = bitcast double %sy to i64 ; <i64> [#uses=1]10 %sy2223 = zext i64 %sy22 to i192 ; <i192> [#uses=1]11 %sy222324 = shl i192 %sy2223, 128 ; <i192> [#uses=1]12 %sy222324.ins = or i192 %sx3435, %sy222324 ; <i192> [#uses=1]13 14 15 %a = trunc i192 %sy222324.ins to i64 ; <i64> [#uses=1]16 %b = bitcast i64 %a to double ; <double> [#uses=1]17 %c = lshr i192 %sy222324.ins, 128 ; <i192> [#uses=1]18 %d = trunc i192 %c to i64 ; <i64> [#uses=1]19 %e = bitcast i64 %d to double ; <double> [#uses=1]20 %f = fadd double %b, %e21 22; ret double %e23 ret double %f24}25