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; RUN: opt -S -inline %s | FileCheck %s
declare void @foo()
declare void @bar()
define void @callee(i8* %arg) {
%cmp = icmp eq i8* %arg, null
br i1 %cmp, label %expensive, label %done
; This block is designed to be too expensive to inline. We can only inline
; callee if this block is known to be dead.
expensive:
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
call void @foo()
ret void
done:
call void @bar()
ret void
}
; Positive test - arg is known non null
define void @caller(i8* nonnull %arg) {
; CHECK-LABEL: @caller
; CHECK: call void @bar()
call void @callee(i8* nonnull %arg)
ret void
}
; Negative test - arg is not known to be non null
define void @caller2(i8* %arg) {
; CHECK-LABEL: @caller2
; CHECK: call void @callee(
call void @callee(i8* %arg)
ret void
}
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