1 ; RUN: opt -basicaa -functionattrs -S < %s | FileCheck %s 2 3 ; Atomic load/store to local doesn't affect whether a function is 4 ; readnone/readonly. 5 define i32 @test1(i32 %x) uwtable ssp { 6 ; CHECK: define i32 @test1(i32 %x) uwtable readnone ssp { 7 entry: 8 %x.addr = alloca i32, align 4 9 store atomic i32 %x, i32* %x.addr seq_cst, align 4 10 %r = load atomic i32* %x.addr seq_cst, align 4 11 ret i32 %r 12 } 13 14 ; A function with an Acquire load is not readonly. 15 define i32 @test2(i32* %x) uwtable ssp { 16 ; CHECK: define i32 @test2(i32* nocapture %x) uwtable ssp { 17 entry: 18 %r = load atomic i32* %x seq_cst, align 4 19 ret i32 %r 20 } 21 22
