| Dan Gohman | 1880092 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-extract -disable-output |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 2 | ; This testcase is failing the loop extractor because not all exit blocks |
| 3 | ; are dominated by all of the live-outs. |
| 4 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 5 | define i32 @ab(i32 %alpha, i32 %beta) { |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 6 | entry: |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 7 | br label %loopentry.1.preheader |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 8 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 9 | loopentry.1.preheader: ; preds = %entry |
| 10 | br label %loopentry.1 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 11 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 12 | loopentry.1: ; preds = %no_exit.1, %loopentry.1.preheader |
| 13 | br i1 false, label %no_exit.1, label %loopexit.0.loopexit1 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 14 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 15 | no_exit.1: ; preds = %loopentry.1 |
| David Blaikie | a79ac14 | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %tmp.53 = load i32, i32* null ; <i32> [#uses=1] |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 17 | br i1 false, label %shortcirc_next.2, label %loopentry.1 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 18 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 19 | shortcirc_next.2: ; preds = %no_exit.1 |
| 20 | %tmp.563 = call i32 @wins( i32 0, i32 %tmp.53, i32 3 ) ; <i32> [#uses=0] |
| 21 | ret i32 0 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 22 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 23 | loopexit.0.loopexit1: ; preds = %loopentry.1 |
| 24 | br label %loopexit.0 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 25 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 26 | loopexit.0: ; preds = %loopexit.0.loopexit1 |
| 27 | ret i32 0 |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 28 | } |
| 29 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 30 | declare i32 @wins(i32, i32, i32) |
| Chris Lattner | fec74e7 | 2004-03-15 00:08:49 +0000 | [diff] [blame] | 31 | |
| Tanya Lattner | 5640bd1 | 2008-03-01 09:15:35 +0000 | [diff] [blame] | 32 | declare i16 @ab_code() |
| 33 | |