Dan Gohman | f17a25c | 2007-07-18 16:29:46 +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 | ; |
Tanya Lattner | 74bb9f5 | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 7 | ; RUN: llvm-as < %s | opt -globaldce | llvm-dis | \ |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 8 | ; RUN: not grep constant |
| 9 | ; |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 10 | |
Tanya Lattner | 74bb9f5 | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 11 | @v1 = internal constant i32 5 |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 12 | |
Tanya Lattner | 74bb9f5 | 2008-02-14 07:57:12 +0000 | [diff] [blame] | 13 | define i32 @createtask() { |
| 14 | %v1 = alloca i32 ;; Alloca should have one use! |
| 15 | %reg112 = load i32* %v1 ;; This load should not use the global! |
| 16 | ret i32 %reg112 |
| 17 | } |
Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 18 | |