1; RUN: opt < %s -instcombine -S | grep "fadd double .sx, .sy"
2; The 'or' has multiple uses, make sure that this doesn't prevent instcombine
3; 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, %e
21
22;        ret double %e
23        ret double %f
24}
25