| Dan Gohman | fafb890 | 2010-04-23 01:55:05 +0000 | [diff] [blame^] | 1 | ; RUN: llc -march=x86-64 < %s > /dev/null |
| 2 | ; rdar://7886751 |
| 3 | |
| 4 | ; ScalarEvolution misses an opportunity to fold ((trunc x) + (trunc -x) + y), |
| 5 | ; but LSR should tolerate this. |
| 6 | |
| 7 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| 8 | target triple = "x86_64-apple-darwin11.0" |
| 9 | |
| 10 | define fastcc void @formatValue(i64 %arg5) nounwind { |
| 11 | bb12: ; preds = %bb11 |
| 12 | %t = trunc i64 %arg5 to i32 ; <i32> [#uses=1] |
| 13 | %t13 = sub i64 0, %arg5 ; <i64> [#uses=1] |
| 14 | %t14 = and i64 %t13, 4294967295 ; <i64> [#uses=1] |
| 15 | br label %bb15 |
| 16 | |
| 17 | bb15: ; preds = %bb21, %bb12 |
| 18 | %t16 = phi i64 [ 0, %bb12 ], [ %t23, %bb15 ] ; <i64> [#uses=2] |
| 19 | %t17 = mul i64 %t14, %t16 ; <i64> [#uses=1] |
| 20 | %t18 = add i64 undef, %t17 ; <i64> [#uses=1] |
| 21 | %t19 = trunc i64 %t18 to i32 ; <i32> [#uses=1] |
| 22 | %t22 = icmp eq i32 %t19, %t ; <i1> [#uses=1] |
| 23 | %t23 = add i64 %t16, 1 ; <i64> [#uses=1] |
| 24 | br i1 %t22, label %bb24, label %bb15 |
| 25 | |
| 26 | bb24: ; preds = %bb21, %bb11 |
| 27 | unreachable |
| 28 | } |