| Chris Lattner | 51176ea | 2002-04-29 18:12:28 +0000 | [diff] [blame] | 1 | ; There should be NO references to the global v1. The local v1 should |
| 2 | ; have all of the references! |
| 3 | ; |
| 4 | ; Check by running globaldce, which will remove the constant if there are |
| 5 | ; no references to it! |
| 6 | ; |
| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 7 | ; RUN: opt < %s -globaldce -S | \ |
| Reid Spencer | 90008f4 | 2007-04-15 10:07:55 +0000 | [diff] [blame] | 8 | ; RUN: not grep constant |
| Chris Lattner | 51176ea | 2002-04-29 18:12:28 +0000 | [diff] [blame] | 9 | ; |
| Duncan P. N. Exon Smith | 13f5c58 | 2014-08-19 21:08:27 +0000 | [diff] [blame] | 10 | ; RUN: verify-uselistorder %s |
| Chris Lattner | 51176ea | 2002-04-29 18:12:28 +0000 | [diff] [blame] | 11 | |
| Tanya Lattner | 6e9bcee | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 12 | @v1 = internal constant i32 5 |
| Chris Lattner | 51176ea | 2002-04-29 18:12:28 +0000 | [diff] [blame] | 13 | |
| Tanya Lattner | 6e9bcee | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 14 | define i32 @createtask() { |
| 15 | %v1 = alloca i32 ;; Alloca should have one use! |
| David Blaikie | 7c9c6ed | 2015-02-27 21:17:42 +0000 | [diff] [blame] | 16 | %reg112 = load i32, i32* %v1 ;; This load should not use the global! |
| Tanya Lattner | 6e9bcee | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 17 | ret i32 %reg112 |
| 18 | } |
| Chris Lattner | 51176ea | 2002-04-29 18:12:28 +0000 | [diff] [blame] | 19 | |