Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions

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; RUN: opt -functionattrs -S < %s | FileCheck %s
; CHECK: Function Attrs
; CHECK-NOT: convergent
; CHECK-NEXT: define i32 @nonleaf()
define i32 @nonleaf() convergent {
%a = call i32 @leaf()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-NOT: convergent
; CHECK-NEXT: define i32 @leaf()
define i32 @leaf() convergent {
ret i32 0
}
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: declare i32 @k()
declare i32 @k() convergent
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @extern()
define i32 @extern() convergent {
%a = call i32 @k() convergent
ret i32 %a
}
; Convergent should not be removed on the function here. Although the call is
; not explicitly convergent, it picks up the convergent attr from the callee.
;
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @extern_non_convergent_call()
define i32 @extern_non_convergent_call() convergent {
%a = call i32 @k()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @indirect_convergent_call(
define i32 @indirect_convergent_call(i32 ()* %f) convergent {
%a = call i32 %f() convergent
ret i32 %a
}
; Give indirect_non_convergent_call the norecurse attribute so we get a
; "Function Attrs" comment in the output.
;
; CHECK: Function Attrs
; CHECK-NOT: convergent
; CHECK-NEXT: define i32 @indirect_non_convergent_call(
define i32 @indirect_non_convergent_call(i32 ()* %f) convergent norecurse {
%a = call i32 %f()
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: declare void @llvm.nvvm.barrier0()
declare void @llvm.nvvm.barrier0() convergent
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @intrinsic()
define i32 @intrinsic() convergent {
; Implicitly convergent, because the intrinsic is convergent.
call void @llvm.nvvm.barrier0()
ret i32 0
}
; CHECK: Function Attrs
; CHECK-NOT: convergent
; CHECK-NEXT: define i32 @recursive1()
define i32 @recursive1() convergent {
%a = call i32 @recursive2() convergent
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-NOT: convergent
; CHECK-NEXT: define i32 @recursive2()
define i32 @recursive2() convergent {
%a = call i32 @recursive1() convergent
ret i32 %a
}
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @noopt()
define i32 @noopt() convergent optnone noinline {
%a = call i32 @noopt_friend() convergent
ret i32 0
}
; A function which is mutually-recursive with a convergent, optnone function
; shouldn't have its convergent attribute stripped.
; CHECK: Function Attrs
; CHECK-SAME: convergent
; CHECK-NEXT: define i32 @noopt_friend()
define i32 @noopt_friend() convergent {
%a = call i32 @noopt()
ret i32 0
}