Mercurial > hg > CbC > CbC_llvm
view llvm/test/Transforms/GlobalOpt/2008-07-17-addrspace.ll @ 201:a96fbbdf2d0f
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 04 Jun 2021 21:07:06 +0900 |
parents | 1d019706d866 |
children | c4bab56944e8 |
line wrap: on
line source
; This test lets globalopt split the global struct and array into different ; values. This used to crash, because globalopt forgot to put the new var in the ; same address space as the old one. ; RUN: opt < %s -globalopt -S | FileCheck %s ; Check that the new global values still have their address space ; CHECK: addrspace(1) global ; CHECK: addrspace(1) global @struct = internal addrspace(1) global { i32, i32 } zeroinitializer @array = internal addrspace(1) global [ 2 x i32 ] zeroinitializer define i32 @foo() { %A = load i32, i32 addrspace(1) * getelementptr ({ i32, i32 }, { i32, i32 } addrspace(1) * @struct, i32 0, i32 0) %B = load i32, i32 addrspace(1) * getelementptr ([ 2 x i32 ], [ 2 x i32 ] addrspace(1) * @array, i32 0, i32 0) ; 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, i32 addrspace(1) * getelementptr ([ 2 x i32 ], [ 2 x i32 ] addrspace(1) * @array, i32 0, i32 0) store i32 %R, i32 addrspace(1) * getelementptr ({ i32, i32 }, { i32, i32 } addrspace(1) * @struct, i32 0, i32 0) ret void }