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; Test MD_prof validation
; RUN: split-file %s %t
; RUN: opt -passes=verify %t/valid.ll --disable-output
; RUN: not opt -passes=verify %t/wrong-count.ll --disable-output 2>&1 | FileCheck %s --check-prefix=WRONG-COUNT
; RUN: not opt -passes=verify %t/invalid-name1.ll --disable-output 2>&1 | FileCheck %s
; RUN: not opt -passes=verify %t/invalid-name2.ll --disable-output 2>&1 | FileCheck %s
; RUN: opt -passes=verify %t/unknown-correct.ll --disable-output
; RUN: not opt -passes=verify %t/unknown-invalid.ll --disable-output 2>&1 | FileCheck %s --check-prefix=EXTRA-ARGS
; RUN: not opt -passes=verify %t/unknown-on-function1.ll --disable-output 2>&1 | FileCheck %s --check-prefix=ON-FUNCTION1
; RUN: not opt -passes=verify %t/unknown-on-function2.ll --disable-output 2>&1 | FileCheck %s --check-prefix=ON-FUNCTION2
; RUN: not opt -passes=verify %t/invalid-unknown-placement.ll --disable-output 2>&1 | FileCheck %s --check-prefix=INVALID-UNKNOWN-PLACEMENT
;--- valid.ll
declare void @to_invoke()
declare i32 @__gxx_personality_v0(...)
define void @invoker() personality ptr @__gxx_personality_v0 {
invoke void @to_invoke() to label %exit unwind label %lpad, !prof !0
lpad:
%ll = landingpad {ptr, i32}
cleanup
ret void
exit:
ret void
}
define i32 @test(i32 %a) {
%c = icmp eq i32 %a, 0
br i1 %c, label %yes, label %exit, !prof !0
yes:
switch i32 %a, label %exit [ i32 1, label %case_b
i32 2, label %case_c], !prof !1
case_b:
br label %exit
case_c:
br label %exit
exit:
%r = select i1 %c, i32 1, i32 2, !prof !0
ret i32 %r
}
!0 = !{!"branch_weights", i32 1, i32 2}
!1 = !{!"branch_weights", i32 1, i32 2, i32 3}
;--- wrong-count.ll
define void @test(i32 %a) {
%c = icmp eq i32 %a, 0
br i1 %c, label %yes, label %no, !prof !0
yes:
ret void
no:
ret void
}
!0 = !{!"branch_weights", i32 1, i32 2, i32 3}
; WRONG-COUNT: Wrong number of operands
;--- invalid-name1.ll
define void @test(i1 %0) {
br i1 %0, label %2, label %3, !prof !0
2:
ret void
3:
ret void
}
!0 = !{!"invalid", i32 1, i32 2}
;--- invalid-name2.ll
define void @test(i1 %0) {
br i1 %0, label %2, label %3, !prof !0
2:
ret void
3:
ret void
}
!0 = !{!"function_entry_count", i32 1}
; CHECK: expected either branch_weights or VP profile name
;--- unknown-correct.ll
declare void @to_invoke()
declare i32 @__gxx_personality_v0(...)
define void @invoker() personality ptr @__gxx_personality_v0 {
invoke void @to_invoke() to label %exit unwind label %lpad, !prof !0
lpad:
%ll = landingpad {ptr, i32}
cleanup
ret void
exit:
ret void
}
define i32 @test(i32 %a) {
%c = icmp eq i32 %a, 0
br i1 %c, label %yes, label %exit, !prof !0
yes:
switch i32 %a, label %exit [ i32 1, label %case_b
i32 2, label %case_c], !prof !0
case_b:
br label %exit
case_c:
br label %exit
exit:
%r = select i1 %c, i32 1, i32 2, !prof !0
ret i32 %r
}
!0 = !{!"unknown"}
;--- unknown-invalid.ll
define void @test(i32 %a) {
%c = icmp eq i32 %a, 0
br i1 %c, label %yes, label %no, !prof !0
yes:
ret void
no:
ret void
}
!0 = !{!"unknown", i32 12, i32 67}
; EXTRA-ARGS: 'unknown' !prof should have no additional operands
;--- unknown-on-function1.ll
define void @test() !prof !0 {
ret void
}
!0 = !{!"unknown"}
; ON-FUNCTION1: 'unknown' !prof metadata should appear only on instructions supporting the 'branch_weights' metadata
;--- unknown-on-function2.ll
define void @test() !prof !0 {
ret void
}
!0 = !{!"unknown", i64 123}
; ON-FUNCTION2: first operand should be 'function_entry_count' or 'synthetic_function_entry_count'
;--- invalid-unknown-placement.ll
define i32 @test() {
%r = add i32 1, 2, !prof !0
ret i32 %r
}
!0 = !{!"unknown"}
; INVALID-UNKNOWN-PLACEMENT: 'unknown' !prof should only appear on instructions on which 'branch_weights' would
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