1; RUN: opt < %s -aa-pipeline=globals-aa -passes='require<globals-aa>,dse' -S | FileCheck %s 2 3@X = internal global i32 4 4 5define i32 @test0() { 6; CHECK-LABEL: @test0 7; CHECK: store i32 0, ptr @X 8; CHECK-NEXT: call i32 @func_readonly() #0 9; CHECK-NEXT: store i32 1, ptr @X 10 store i32 0, ptr @X 11 %x = call i32 @func_readonly() #0 12 store i32 1, ptr @X 13 ret i32 %x 14} 15 16define i32 @test1() { 17; CHECK-LABEL: @test1 18; CHECK-NOT: store 19; CHECK: call i32 @func_read_argmem_only() #1 20; CHECK-NEXT: store i32 3, ptr @X 21 store i32 2, ptr @X 22 %x = call i32 @func_read_argmem_only() #1 23 store i32 3, ptr @X 24 ret i32 %x 25} 26 27declare i32 @func_readonly() #0 28declare i32 @func_read_argmem_only() #1 29 30attributes #0 = { readonly nounwind } 31attributes #1 = { readonly argmemonly nounwind } 32