Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -globalopt -instcombine | \ |
Reid Spencer | 2aabd07 | 2007-04-15 08:30:33 +0000 | [diff] [blame] | 2 | ; RUN: llvm-dis | grep {ret i1 true} |
Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 3 | |
| 4 | ;; check that global opt turns integers that only hold 0 or 1 into bools. |
| 5 | |
Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 6 | @G = internal global i32 0 ; <i32*> [#uses=3] |
Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 7 | |
Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 8 | define void @set1() { |
| 9 | store i32 0, i32* @G |
| 10 | ret void |
Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 11 | } |
| 12 | |
Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 13 | define void @set2() { |
| 14 | store i32 1, i32* @G |
| 15 | ret void |
Chris Lattner | ef07cc5 | 2004-12-12 05:52:12 +0000 | [diff] [blame] | 16 | } |
Tanya Lattner | ec9a35a | 2008-03-01 09:15:35 +0000 | [diff] [blame^] | 17 | |
| 18 | define i1 @get() { |
| 19 | %A = load i32* @G ; <i32> [#uses=1] |
| 20 | %C = icmp slt i32 %A, 2 ; <i1> [#uses=1] |
| 21 | ret i1 %C |
| 22 | } |
| 23 | |