; RUN: opt -S -passes=inferattrs,function-attrs < %s | FileCheck %s declare void @f_readonly() readonly declare void @f_readnone() readnone declare void @f_writeonly() writeonly define void @test_0(ptr %x) { ; FunctionAttrs must not infer readonly / readnone for %x ; CHECK-LABEL: define void @test_0(ptr %x) #3 { entry: ; CHECK: call void @f_readonly() [ "foo"(ptr %x) ] call void @f_readonly() [ "foo"(ptr %x) ] ret void } define void @test_1(ptr %x) { ; FunctionAttrs must not infer readonly / readnone for %x ; CHECK-LABEL: define void @test_1(ptr %x) #4 { entry: ; CHECK: call void @f_readnone() [ "foo"(ptr %x) ] call void @f_readnone() [ "foo"(ptr %x) ] ret void } define void @test_2(ptr %x) { ; FunctionAttrs must not infer writeonly ; CHECK-LABEL: define void @test_2(ptr %x) { entry: ; CHECK: call void @f_writeonly() [ "foo"(ptr %x) ] call void @f_writeonly() [ "foo"(ptr %x) ] ret void } define void @test_3(ptr %x) { ; The "deopt" operand bundle does not capture or write to %x. ; CHECK-LABEL: define void @test_3(ptr nocapture readonly %x) entry: call void @f_readonly() [ "deopt"(ptr %x) ] ret void } ; CHECK: attributes #0 = { nofree memory(read) } ; CHECK: attributes #1 = { nofree nosync memory(none) } ; CHECK: attributes #2 = { memory(write) } ; CHECK: attributes #3 = { nofree } ; CHECK: attributes #4 = { nofree nosync }