blob: 4a27425e922b155a630d823a18906611aea22742 [file] [log] [blame]
; RUN: opt -S -function-attrs < %s -enable-new-pm=0 | FileCheck %s
declare void @f_readonly() readonly
declare void @f_readnone() readnone
define void @test_0(i32* %x) {
; FunctionAttrs must not infer readonly / readnone for %x
; CHECK-LABEL: define void @test_0(i32* %x) #2 {
entry:
; CHECK: call void @f_readonly() [ "foo"(i32* %x) ]
call void @f_readonly() [ "foo"(i32* %x) ]
ret void
}
define void @test_1(i32* %x) {
; FunctionAttrs must not infer readonly / readnone for %x
; CHECK-LABEL: define void @test_1(i32* %x) #3 {
entry:
; CHECK: call void @f_readnone() [ "foo"(i32* %x) ]
call void @f_readnone() [ "foo"(i32* %x) ]
ret void
}
define void @test_2(i32* %x) {
; The "deopt" operand bundle does not capture or write to %x.
; CHECK-LABEL: define void @test_2(i32* nocapture readonly %x)
entry:
call void @f_readonly() [ "deopt"(i32* %x) ]
ret void
}
; CHECK: attributes #2 = { nofree }
; CHECK: attributes #3 = { nofree nosync }