| ; This test lets globalopt split the global struct and array into different |
| ; values. The pass needs to preserve section attribute. |
| |
| ; RUN: opt < %s -passes=globalopt -S | FileCheck %s |
| ; Check that the new global values still have their section assignment. |
| ; CHECK: @struct |
| ; CHECK: section ".foo" |
| ; CHECK: @array |
| ; CHECK-NOT: section ".foo" |
| |
| @struct = internal global { i32, i32 } zeroinitializer, section ".foo" |
| @array = internal global [ 2 x i32 ] zeroinitializer |
| |
| define i32 @foo() { |
| %A = load i32, ptr getelementptr ({ i32, i32 }, ptr @struct, i32 0, i32 0) |
| %B = load i32, ptr @array |
| ; Use the loaded values, so they won't get removed completely |
| %R = add i32 %A, %B |
| ret i32 %R |
| } |
| |
| ; We put stores in a different function, so that the global variables won't get |
| ; optimized away completely. |
| define void @bar(i32 %R) { |
| store i32 %R, ptr @array |
| store i32 %R, ptr getelementptr ({ i32, i32 }, ptr @struct, i32 0, i32 0) |
| ret void |
| } |
| |
| |