1 ; RUN: opt -mem2reg < %s -S | FileCheck %s 2 3 ; mem2reg is allowed with arbitrary atomic operations (although we only support 4 ; it for atomic load and store at the moment). 5 define i32 @test1(i32 %x) { 6 ; CHECK: @test1 7 ; CHECK: ret i32 %x 8 %a = alloca i32 9 store atomic i32 %x, i32* %a seq_cst, align 4 10 %r = load atomic i32* %a seq_cst, align 4 11 ret i32 %r 12 } 13
