forked from OSchip/llvm-project
59 lines
1.3 KiB
LLVM
59 lines
1.3 KiB
LLVM
; This code is virtually identical to last-call-bonus.ll, but the callsites
|
|
; to the internal functions are cold, thereby preventing the last call to
|
|
; static bonus from being applied.
|
|
|
|
; RUN: opt < %s -passes='function(require<opt-remark-emit>,loop-unroll),require<profile-summary>,cgscc(inline)' -unroll-threshold=15000 -inline-threshold=250 -S | FileCheck %s
|
|
|
|
; CHECK-LABEL: define internal i32 @baz
|
|
define internal i32 @baz() {
|
|
entry:
|
|
br label %bb1
|
|
|
|
bb1:
|
|
%ind = phi i32 [ 0, %entry ], [ %inc, %bb1 ]
|
|
call void @extern()
|
|
%inc = add nsw i32 %ind, 1
|
|
%cmp = icmp sgt i32 %inc, 510
|
|
br i1 %cmp, label %ret, label %bb1
|
|
|
|
ret:
|
|
ret i32 0
|
|
}
|
|
|
|
; CHECK-LABEL: define internal i32 @bar
|
|
define internal i32 @bar(i1 %b) {
|
|
entry:
|
|
br label %bb1
|
|
|
|
bb1:
|
|
%ind = phi i32 [ 0, %entry ], [ %inc, %bb1 ]
|
|
call void @extern()
|
|
%inc = add nsw i32 %ind, 1
|
|
%cmp = icmp sgt i32 %inc, 510
|
|
br i1 %cmp, label %for.exit, label %bb1
|
|
|
|
for.exit:
|
|
br i1 %b, label %bb2, label %ret, !prof !0
|
|
bb2:
|
|
; CHECK: call i32 @baz
|
|
call i32 @baz()
|
|
br label %ret
|
|
ret:
|
|
ret i32 0
|
|
}
|
|
; CHECK-LABEL: define i32 @foo
|
|
define i32 @foo(i1 %b) {
|
|
entry:
|
|
br i1 %b, label %bb1, label %ret, !prof !0
|
|
bb1:
|
|
; CHECK: call i32 @bar
|
|
call i32 @bar(i1 %b)
|
|
br label %ret
|
|
ret:
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @extern()
|
|
|
|
!0 = !{!"branch_weights", i32 1, i32 2500}
|