| Chris Lattner | 07aa76a | 2010-04-03 05:54:59 +0000 | [diff] [blame] | 1 | ; RUN: opt -indvars %s -disable-output |
| Dan Gohman | 6ebfd72 | 2010-07-26 18:28:14 +0000 | [diff] [blame^] | 2 | 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" |
| Chris Lattner | 07aa76a | 2010-04-03 05:54:59 +0000 | [diff] [blame] | 3 | |
| 4 | declare i32 @putchar(i8) nounwind |
| 5 | |
| 6 | define void @t2(i1* %P) nounwind { |
| 7 | ; <label>:0 |
| 8 | br label %1 |
| 9 | |
| 10 | ; <label>:1 ; preds = %1, %0 |
| 11 | %2 = phi double [ 9.000000e+00, %0 ], [ %4, %1 ] ; <double> [#uses=1] |
| 12 | %3 = tail call i32 @putchar(i8 72) ; <i32> [#uses=0] |
| 13 | %4 = fadd double %2, -1.000000e+00 ; <double> [#uses=2] |
| 14 | %5 = fcmp ult double %4, 0.000000e+00 ; <i1> [#uses=1] |
| 15 | store i1 %5, i1* %P |
| 16 | br i1 %5, label %6, label %1 |
| 17 | |
| 18 | ; <label>:6 ; preds = %1 |
| 19 | ret void |
| Chris Lattner | d207558 | 2010-04-07 22:53:17 +0000 | [diff] [blame] | 20 | } |
| Dan Gohman | 6ebfd72 | 2010-07-26 18:28:14 +0000 | [diff] [blame^] | 21 | |
| 22 | ; PR7562 |
| 23 | define void @fannkuch() nounwind { |
| 24 | entry: ; preds = %entry |
| 25 | br label %bb12 |
| 26 | |
| 27 | bb12: ; preds = %bb29, %entry |
| 28 | %i.1 = phi i32 [ undef, %entry ], [ %i.0, %bb29 ] ; <i32> [#uses=2] |
| 29 | %r.1 = phi i32 [ undef, %entry ], [ %r.0, %bb29 ] ; <i32> [#uses=2] |
| 30 | br i1 undef, label %bb13, label %bb24 |
| 31 | |
| 32 | bb13: ; preds = %bb12 |
| 33 | br label %bb24 |
| 34 | |
| 35 | bb24: ; preds = %bb30, %bb13, %bb12 |
| 36 | %i.2 = phi i32 [ %i.1, %bb13 ], [ %i.0, %bb30 ], [ %i.1, %bb12 ] ; <i32> [#uses=1] |
| 37 | %r.0 = phi i32 [ %r.1, %bb13 ], [ %2, %bb30 ], [ %r.1, %bb12 ] ; <i32> [#uses=3] |
| 38 | br label %bb28 |
| 39 | |
| 40 | bb27: ; preds = %bb28 |
| 41 | %0 = add nsw i32 %i.0, 1 ; <i32> [#uses=1] |
| 42 | br label %bb28 |
| 43 | |
| 44 | bb28: ; preds = %bb27, %bb26 |
| 45 | %i.0 = phi i32 [ %i.2, %bb24 ], [ %0, %bb27 ] ; <i32> [#uses=4] |
| 46 | %1 = icmp slt i32 %i.0, %r.0 ; <i1> [#uses=1] |
| 47 | br i1 %1, label %bb27, label %bb29 |
| 48 | |
| 49 | bb29: ; preds = %bb28 |
| 50 | br i1 undef, label %bb12, label %bb30 |
| 51 | |
| 52 | bb30: ; preds = %bb29 |
| 53 | %2 = add nsw i32 %r.0, 1 ; <i32> [#uses=1] |
| 54 | br label %bb24 |
| 55 | } |