File: threading_prof2.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (41 lines) | stat: -rw-r--r-- 831 bytes parent folder | download | duplicates (10) 
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
36
37
38
39
40
41
 
; RUN: opt -passes=jump-threading -S < %s | FileCheck %s
define void @test() {
bb:
  %tmp = call i32 @a()
  %tmp1 = icmp eq i32 %tmp, 1
  br i1 %tmp1, label %bb5, label %bb2
; CHECK: br i1 %tmp1,{{.*}} !prof ![[PROF1:[0-9]+]]

bb2:
  %tmp3 = call i32 @b()
  %tmp4 = icmp ne i32 %tmp3, 1
  br label %bb5
; CHECK: br i1 %tmp4, {{.*}} !prof ![[PROF2:[0-9]+]]

bb5:
  %tmp6 = phi i1 [ false, %bb ], [ %tmp4, %bb2 ]
  br i1 %tmp6, label %bb8, label %bb7, !prof !0

bb7:
  call void @bar()
  br label %bb9

bb8:
  call void @foo()
  br label %bb9

bb9:
  ret void
}

declare void @bar()

declare void @foo()

declare i32 @a()

declare i32 @b()

!0 = !{!"branch_weights", i32 2146410443, i32 1073205}
;CHECK: ![[PROF1]] = !{!"branch_weights", i32 1073205, i32 2146410443}
;CHECK: ![[PROF2]] = !{!"branch_weights", i32 -2147483648, i32 0}