1 ; RUN: opt < %s -disable-basicaa -globals-aa -dse -S | FileCheck %s 2 3 @X = internal global i32 4 4 5 define i32 @test0() { 6 ; CHECK-LABEL: @test0 7 ; CHECK: store i32 0, i32* @X 8 ; CHECK-NEXT: call i32 @func_readonly() #0 9 ; CHECK-NEXT: store i32 1, i32* @X 10 store i32 0, i32* @X 11 %x = call i32 @func_readonly() #0 12 store i32 1, i32* @X 13 ret i32 %x 14 } 15 16 define 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, i32* @X 21 store i32 2, i32* @X 22 %x = call i32 @func_read_argmem_only() #1 23 store i32 3, i32* @X 24 ret i32 %x 25 } 26 27 declare i32 @func_readonly() #0 28 declare i32 @func_read_argmem_only() #1 29 30 attributes #0 = { readonly nounwind } 31 attributes #1 = { readonly argmemonly nounwind } 32
