36 lines
970 B
LLVM
36 lines
970 B
LLVM
; RUN: opt < %s -analyze -block-freq | FileCheck %s
|
|
; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
|
|
|
|
; CHECK-LABEL: Printing analysis {{.*}} for function 'loop_with_invoke':
|
|
; CHECK-NEXT: block-frequency-info: loop_with_invoke
|
|
define void @loop_with_invoke(i32 %n) personality i8 0 {
|
|
; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
|
|
entry:
|
|
br label %loop
|
|
|
|
; CHECK-NEXT: loop: float = 9905.6
|
|
loop:
|
|
%i = phi i32 [ 0, %entry ], [ %i.next, %invoke.cont ]
|
|
invoke void @foo() to label %invoke.cont unwind label %lpad
|
|
|
|
; CHECK-NEXT: invoke.cont: float = 9905.6
|
|
invoke.cont:
|
|
%i.next = add i32 %i, 1
|
|
%cont = icmp ult i32 %i.next, %n
|
|
br i1 %cont, label %loop, label %exit, !prof !0
|
|
|
|
; CHECK-NEXT: lpad: float = 0.0094467
|
|
lpad:
|
|
%ll = landingpad { i8*, i32 }
|
|
cleanup
|
|
br label %exit
|
|
|
|
; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
declare void @foo()
|
|
|
|
!0 = !{!"branch_weights", i32 9999, i32 1}
|