File: double_backedge.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (27 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (16)
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
; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s

define void @double_backedge(i1 %x) {
; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
; CHECK-NEXT: block-frequency-info: double_backedge
entry:
; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
  br label %loop

loop:
; CHECK-NEXT: loop: float = 10.0,
  br i1 %x, label %exit, label %loop.1, !prof !0

loop.1:
; CHECK-NEXT: loop.1: float = 9.0,
  br i1 %x, label %loop, label %loop.2, !prof !1

loop.2:
; CHECK-NEXT: loop.2: float = 5.0,
  br label %loop

exit:
; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
  ret void
}
!0 = !{!"branch_weights", i32 1, i32 9}
!1 = !{!"branch_weights", i32 4, i32 5}