1 ; This test lets globalopt split the global struct and array into different 2 ; values. The pass needs to preserve section attribute. 3 4 ; RUN: opt < %s -globalopt -S | FileCheck %s 5 ; Check that the new global values still have their section assignment. 6 ; CHECK: @struct 7 ; CHECK: section ".foo" 8 ; CHECK: @array 9 ; CHECK-NOT: section ".foo" 10 11 @struct = internal global { i32, i32 } zeroinitializer, section ".foo" 12 @array = internal global [ 2 x i32 ] zeroinitializer 13 14 define i32 @foo() { 15 %A = load i32, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0) 16 %B = load i32, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0) 17 ; Use the loaded values, so they won't get removed completely 18 %R = add i32 %A, %B 19 ret i32 %R 20 } 21 22 ; We put stores in a different function, so that the global variables won't get 23 ; optimized away completely. 24 define void @bar(i32 %R) { 25 store i32 %R, i32* getelementptr ([ 2 x i32 ], [ 2 x i32 ]* @array, i32 0, i32 0) 26 store i32 %R, i32* getelementptr ({ i32, i32 }, { i32, i32 }* @struct, i32 0, i32 0) 27 ret void 28 } 29 30 31
