| Torok Edwin | 30a94e3 | 2009-09-24 09:47:18 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as <%s | opt -ipsccp | llvm-dis | FileCheck %s |
| 2 | ; Don't constant-propagate byval pointers, since they are not pointers! |
| 3 | ; PR5038 |
| 4 | %struct.MYstr = type { i8, i32 } |
| 5 | @mystr = internal global %struct.MYstr zeroinitializer ; <%struct.MYstr*> [#uses=3] |
| 6 | define internal void @vfu1(%struct.MYstr* byval align 4 %u) nounwind { |
| 7 | entry: |
| 8 | %0 = getelementptr %struct.MYstr* %u, i32 0, i32 1 ; <i32*> [#uses=1] |
| 9 | store i32 99, i32* %0, align 4 |
| 10 | ; CHECK: %struct.MYstr* %u |
| 11 | %1 = getelementptr %struct.MYstr* %u, i32 0, i32 0 ; <i8*> [#uses=1] |
| 12 | store i8 97, i8* %1, align 4 |
| 13 | ; CHECK: %struct.MYstr* %u |
| 14 | br label %return |
| 15 | |
| 16 | return: ; preds = %entry |
| 17 | ret void |
| 18 | } |
| 19 | define void @unions() nounwind { |
| 20 | entry: |
| 21 | call void @vfu1(%struct.MYstr* byval align 4 @mystr) nounwind |
| 22 | ret void |
| 23 | } |
| 24 | |