| Chandler Carruth | a5a29f9 | 2012-07-02 12:47:22 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | grep "ret double .sy" |
| Chris Lattner | 94cfb281 | 2009-01-31 07:04:22 +0000 | [diff] [blame] | 2 | |
| 3 | define internal double @ScaleObjectAdd(double %sx, double %sy, double %sz) nounwind { |
| 4 | entry: |
| 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] |
| Dan Gohman | a5b9645 | 2009-06-04 22:49:04 +0000 | [diff] [blame] | 21 | %f = fadd double %b, %e |
| Chris Lattner | 94cfb281 | 2009-01-31 07:04:22 +0000 | [diff] [blame] | 22 | |
| 23 | ret double %e |
| 24 | } |