1 ; RUN: opt -S -functionattrs < %s | FileCheck %s
3 declare void @f_readonly() readonly
4 declare void @f_readnone() readnone
6 define void @test_0(i32* %x) {
7 ; FunctionAttrs must not infer readonly / readnone for %x
9 ; CHECK-LABEL: define void @test_0(i32* %x) #2 {
11 ; CHECK: call void @f_readonly() [ "foo"(i32* %x) ]
12 call void @f_readonly() [ "foo"(i32* %x) ]
16 define void @test_1(i32* %x) {
17 ; FunctionAttrs must not infer readonly / readnone for %x
19 ; CHECK-LABEL: define void @test_1(i32* %x) #2 {
21 ; CHECK: call void @f_readnone() [ "foo"(i32* %x) ]
22 call void @f_readnone() [ "foo"(i32* %x) ]
26 define void @test_2(i32* %x) {
27 ; The "deopt" operand bundle does not capture or write to %x.
29 ; CHECK-LABEL: define void @test_2(i32* nocapture readonly %x)
31 call void @f_readonly() [ "deopt"(i32* %x) ]
35 ; CHECK: attributes #2 = { nofree }