25 lines · plain
1; RUN: opt < %s -passes=instcombine -S | grep "ret double .sy"2 3define internal double @ScaleObjectAdd(double %sx, double %sy, double %sz) nounwind {4entry:5 %sx34 = bitcast double %sx to i64 ; <i64> [#uses=1]6 %sx3435 = zext i64 %sx34 to i960 ; <i960> [#uses=1]7 %sy22 = bitcast double %sy to i64 ; <i64> [#uses=1]8 %sy2223 = zext i64 %sy22 to i960 ; <i960> [#uses=1]9 %sy222324 = shl i960 %sy2223, 320 ; <i960> [#uses=1]10 %sy222324.ins = or i960 %sx3435, %sy222324 ; <i960> [#uses=1]11 %sz10 = bitcast double %sz to i64 ; <i64> [#uses=1]12 %sz1011 = zext i64 %sz10 to i960 ; <i960> [#uses=1]13 %sz101112 = shl i960 %sz1011, 640 ; <i960> [#uses=1]14 %sz101112.ins = or i960 %sy222324.ins, %sz101112 15 16 %a = trunc i960 %sz101112.ins to i64 ; <i64> [#uses=1]17 %b = bitcast i64 %a to double ; <double> [#uses=1]18 %c = lshr i960 %sz101112.ins, 320 ; <i960> [#uses=1]19 %d = trunc i960 %c to i64 ; <i64> [#uses=1]20 %e = bitcast i64 %d to double ; <double> [#uses=1]21 %f = fadd double %b, %e22 23 ret double %e24}25