| Matthijs Kooijman | 477f5a2 | 2008-07-29 10:00:13 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -argpromotion | llvm-dis > %t |
| 2 | ; RUN: cat %t | grep {define.*@callee(.*i32\\*} |
| 3 | ; PR2498 |
| 4 | |
| 5 | ; This test tries to convince argpromotion about promoting the load from %A + 2, |
| 6 | ; because there is a load of %A in the entry block |
| 7 | define internal i32 @callee(i1 %C, i32* %A) { |
| 8 | entry: |
| 9 | ; Unconditonally load the element at %A |
| 10 | %A.0 = load i32* %A |
| 11 | br i1 %C, label %T, label %F |
| 12 | T: |
| 13 | ret i32 %A.0 |
| 14 | F: |
| 15 | ; Load the element at offset two from %A. This should not be promoted! |
| 16 | %A.2 = getelementptr i32* %A, i32 2 |
| 17 | %R = load i32* %A.2 |
| 18 | ret i32 %R |
| 19 | } |
| 20 | |
| 21 | define i32 @foo() { |
| 22 | %X = call i32 @callee(i1 false, i32* null) ; <i32> [#uses=1] |
| 23 | ret i32 %X |
| 24 | } |
| 25 | |