llvm/test/Transforms/Inline/profile-meta.ll
Chandler Carruth 919b2376dc [PM] Turn on the new PM's inliner in addition to the current one for
most of the inliner test cases.

The inliner involves a bunch of interesting code and tends to be where
most of the issues I've seen experimenting with the new PM lie. All of
these test cases pass, but I'd like to keep some more thorough coverage
here so doing a fairly blanket enabling.

There are a handful of interesting tests I've not enabled yet because
they're focused on the always inliner, or on functionality that doesn't
(yet) exist in the inliner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290592 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-27 07:18:43 +00:00

46 lines
1.2 KiB
LLVM

; RUN: opt < %s -S -inline | FileCheck %s
; RUN: opt < %s -S -passes='cgscc(inline)' | FileCheck %s
; Make sure that profile and unpredictable metadata is preserved when cloning a select.
define i32 @callee_with_select(i1 %c, i32 %a, i32 %b) {
%sel = select i1 %c, i32 %a, i32 %b, !prof !0, !unpredictable !1
ret i32 %sel
}
define i32 @caller_of_select(i1 %C, i32 %A, i32 %B) {
%ret = call i32 @callee_with_select(i1 %C, i32 %A, i32 %B)
ret i32 %ret
; CHECK-LABEL: @caller_of_select(
; CHECK-NEXT: [[SEL:%.*]] = select i1 %C, i32 %A, i32 %B, !prof !0, !unpredictable !1
; CHECK-NEXT: ret i32 [[SEL]]
}
; Make sure that profile and unpredictable metadata is preserved when cloning a branch.
define i32 @callee_with_branch(i1 %c) {
br i1 %c, label %if, label %else, !unpredictable !1, !prof !2
if:
ret i32 1
else:
ret i32 2
}
define i32 @caller_of_branch(i1 %C) {
%ret = call i32 @callee_with_branch(i1 %C)
ret i32 %ret
; CHECK-LABEL: @caller_of_branch(
; CHECK-NEXT: br i1 %C, label %{{.*}}, label %{{.*}}, !prof !2, !unpredictable !1
}
!0 = !{!"branch_weights", i32 1, i32 2}
!1 = !{}
!2 = !{!"branch_weights", i32 3, i32 4}
; CHECK: !0 = !{!"branch_weights", i32 1, i32 2}
; CHECK: !1 = !{}
; CHECK: !2 = !{!"branch_weights", i32 3, i32 4}