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 > %t 6 ; Check that the new global values still have their address space 7 ; RUN: cat %t | grep addrspace.*global 8 9 @struct = internal addrspace(1) global { i32, i32 } zeroinitializer 10 @array = internal addrspace(1) global [ 2 x i32 ] zeroinitializer 11 12 define i32 @foo() { 13 %A = load i32 addrspace(1) * getelementptr ({ i32, i32 } addrspace(1) * @struct, i32 0, i32 0) 14 %B = load i32 addrspace(1) * getelementptr ([ 2 x i32 ] addrspace(1) * @array, i32 0, i32 0) 15 ; Use the loaded values, so they won't get removed completely 16 %R = add i32 %A, %B 17 ret i32 %R 18 } 19 20 ; We put stores in a different function, so that the global variables won't get 21 ; optimized away completely. 22 define void @bar(i32 %R) { 23 store i32 %R, i32 addrspace(1) * getelementptr ([ 2 x i32 ] addrspace(1) * @array, i32 0, i32 0) 24 store i32 %R, i32 addrspace(1) * getelementptr ({ i32, i32 } addrspace(1) * @struct, i32 0, i32 0) 25 ret void 26 } 27 28 29
