File: loop_with_invoke.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (35 lines) | stat: -rw-r--r-- 987 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
; RUN: opt < %s -analyze -block-freq -enable-new-pm=0 | 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}