1 ; This test lets globalopt split the global struct and array into different 2 ; values. This used to crash, because globalopt forgot to put the new var in the 3 ; same address space as the old one. 4 5 ; RUN: opt < %s -globalopt -S | FileCheck %s 6 7 ; Check that the new global values still have their address space 8 ; CHECK: addrspace(1) global 9 ; CHECK: addrspace(1) global 10 11 @struct = internal addrspace(1) global { i32, i32 } zeroinitializer 12 @array = internal addrspace(1) global [ 2 x i32 ] zeroinitializer 13 14 define i32 @foo() { 15 %A = load i32, i32 addrspace(1) * getelementptr ({ i32, i32 }, { i32, i32 } addrspace(1) * @struct, i32 0, i32 0) 16 %B = load i32, i32 addrspace(1) * getelementptr ([ 2 x i32 ], [ 2 x i32 ] addrspace(1) * @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 addrspace(1) * getelementptr ([ 2 x i32 ], [ 2 x i32 ] addrspace(1) * @array, i32 0, i32 0) 26 store i32 %R, i32 addrspace(1) * getelementptr ({ i32, i32 }, { i32, i32 } addrspace(1) * @struct, i32 0, i32 0) 27 ret void 28 } 29
