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; RUN: opt < %s -S -partial-inliner -skip-partial-inlining-cost-analysis=true | FileCheck %s
define i32 @callee_most(i32 %v) unnamed_addr #0 #1 {
entry:
%cmp = icmp sgt i32 %v, 2000
br i1 %cmp, label %if.then, label %if.end
if.then:
br label %if.then2
if.then2:
%sub = sub i32 %v, 10
br label %if.end
if.end:
%v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ]
%add = add nsw i32 %v2, 200
ret i32 %add
}
define i32 @callee_noinline(i32 %v) optnone noinline {
entry:
%cmp = icmp sgt i32 %v, 2000
br i1 %cmp, label %if.then, label %if.end
if.then:
br label %if.then2
if.then2:
%sub = sub i32 %v, 10
br label %if.end
if.end:
%v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ]
%add = add nsw i32 %v2, 200
ret i32 %add
}
define i32 @callee_writeonly(i32 %v) writeonly {
entry:
%cmp = icmp sgt i32 %v, 2000
br i1 %cmp, label %if.then, label %if.end
if.then:
br label %if.then2
if.then2:
%sub = sub i32 %v, 10
br label %if.end
if.end:
%v2 = phi i32 [ %v, %entry ], [ %sub, %if.then2 ]
%add = add nsw i32 %v2, 200
ret i32 %add
}
; CHECK-LABEL: @caller
; CHECK: call void @callee_most.2.if.then(i32 %v
; CHECK: call i32 @callee_noinline(i32 %v)
; CHECK: call void @callee_writeonly.1.if.then(i32 %v
define i32 @caller(i32 %v) {
entry:
%c1 = call i32 @callee_most(i32 %v)
%c2 = call i32 @callee_noinline(i32 %v)
%c3 = call i32 @callee_writeonly(i32 %v)
ret i32 %c3
}
; CHECK: define internal void @callee_writeonly.1.if.then(i32 %v, i32* %sub.out) {
; CHECK: define internal void @callee_most.2.if.then(i32 %v, i32* %sub.out) [[FN_ATTRS:#[0-9]+]]
; attributes to preserve
attributes #0 = {
inlinehint minsize noduplicate noimplicitfloat norecurse noredzone nounwind
nonlazybind optsize safestack sanitize_address sanitize_hwaddress sanitize_memory
sanitize_thread ssp sspreq sspstrong strictfp uwtable "foo"="bar"
"patchable-function"="prologue-short-redirect" "probe-stack"="_foo_guard" "stack-probe-size"="4096" }
; CHECK: attributes [[FN_ATTRS]] = { inlinehint minsize noduplicate noimplicitfloat norecurse noredzone nounwind nonlazybind optsize safestack sanitize_address sanitize_hwaddress sanitize_memory sanitize_thread ssp sspreq sspstrong strictfp uwtable "foo"="bar" "patchable-function"="prologue-short-redirect" "probe-stack"="_foo_guard" "stack-probe-size"="4096" }
; attributes to drop
attributes #1 = {
alignstack=16 convergent inaccessiblememonly inaccessiblemem_or_argmemonly naked
noreturn readonly argmemonly returns_twice speculatable "thunk"
}
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