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; Test coroutine remarks.
; RUN: opt < %s --disable-output -S -passes='default<O1>' \
; RUN: --pass-remarks="coro-split|coro-elide" \
; RUN: --pass-remarks-missed="coro-split|coro-elide" \
; RUN: --pass-remarks-with-hotness 2>&1 | FileCheck %s
; CHECK: Split 'foo' (frame_size=24, align=8) (hotness: 400)
; CHECK: 'foo' not elided in 'bar' (frame_size=24, align=8) (hotness: 100)
; CHECK: 'foo' elided in 'baz' (frame_size=24, align=8) (hotness: 200)
define ptr @foo() presplitcoroutine !prof !0 {
entry:
%id = call token @llvm.coro.id(i32 0, ptr null, ptr null, ptr null)
%need.dyn.alloc = call i1 @llvm.coro.alloc(token %id)
br i1 %need.dyn.alloc, label %dyn.alloc, label %coro.begin
dyn.alloc:
%size = call i32 @llvm.coro.size.i32()
%alloc = call ptr @malloc(i32 %size)
br label %coro.begin
coro.begin:
%phi = phi ptr [ null, %entry ], [ %alloc, %dyn.alloc ]
%hdl = call ptr @llvm.coro.begin(token %id, ptr %phi)
call void @print(i32 0)
%0 = call i8 @llvm.coro.suspend(token none, i1 false)
switch i8 %0, label %suspend [i8 0, label %resume
i8 1, label %cleanup]
resume:
call void @print(i32 1)
br label %cleanup
cleanup:
%mem = call ptr @llvm.coro.free(token %id, ptr %hdl)
call void @free(ptr %mem)
br label %suspend
suspend:
call i1 @llvm.coro.end(ptr %hdl, i1 0, token none)
ret ptr %hdl
}
define i32 @bar() !prof !1 {
entry:
%hdl = call ptr @foo()
call void @llvm.coro.resume(ptr %hdl)
ret i32 0
}
define i32 @baz() !prof !2 {
entry:
%hdl = call ptr @foo()
call void @llvm.coro.destroy(ptr %hdl)
ret i32 0
}
declare ptr @llvm.coro.free(token, ptr)
declare i32 @llvm.coro.size.i32()
declare i8 @llvm.coro.suspend(token, i1)
declare void @llvm.coro.resume(ptr)
declare void @llvm.coro.destroy(ptr)
declare token @llvm.coro.id(i32, ptr, ptr, ptr)
declare i1 @llvm.coro.alloc(token)
declare ptr @llvm.coro.begin(token, ptr)
declare i1 @llvm.coro.end(ptr, i1, token)
declare noalias ptr @malloc(i32)
declare void @print(i32)
declare void @free(ptr)
!0 = !{!"function_entry_count", i64 400}
!1 = !{!"function_entry_count", i64 100}
!2 = !{!"function_entry_count", i64 200}
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