| Bill Wendling | 75920ad | 2012-04-24 10:45:44 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -globalsmodref-aa -gvn -S | FileCheck %s |
| Duncan Sands | 9a036b9 | 2008-09-03 12:55:42 +0000 | [diff] [blame] | 2 | |
| 3 | @g = internal global i32 0 ; <i32*> [#uses=2] |
| 4 | |
| 5 | define i32 @r() { |
| 6 | %tmp = load i32* @g ; <i32> [#uses=1] |
| 7 | ret i32 %tmp |
| 8 | } |
| 9 | |
| 10 | define i32 @f() { |
| Bill Wendling | 75920ad | 2012-04-24 10:45:44 +0000 | [diff] [blame^] | 11 | ; CHECK: call i32 @e() |
| 12 | ; CHECK: call i32 @e() |
| Duncan Sands | 9a036b9 | 2008-09-03 12:55:42 +0000 | [diff] [blame] | 13 | entry: |
| 14 | %tmp = call i32 @e( ) ; <i32> [#uses=1] |
| 15 | store i32 %tmp, i32* @g |
| 16 | %tmp2 = call i32 @e( ) ; <i32> [#uses=1] |
| 17 | ret i32 %tmp2 |
| 18 | } |
| 19 | |
| 20 | declare i32 @e() readonly ; might call @r |