File: stale-assume-in-original-func.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 (38 lines) | stat: -rw-r--r-- 725 bytes parent folder | download | duplicates (12) 
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
 
; RUN: opt -S -passes=hotcoldsplit -hotcoldsplit-threshold=-1 < %s 2>&1 | FileCheck %s

; CHECK-LABEL: define {{.*}} @foo(
; CHECK-NOT: llvm.assume
; CHECK: call void @foo.cold.1()
; CHECK: llvm.assume
; CHECK-NEXT: ret void

; CHECK-LABEL: define {{.*}} @foo.cold.1(
; CHECK-NOT: llvm.assume
; CHECK: call void @cold()
; CHECK-NOT: llvm.assume
; CHECK: }

define void @foo(i1 %cond) {
entry:
  br i1 %cond, label %cold, label %cont

cold:
  call void @llvm.assume(i1 %cond)
  call void @cold()
  br label %cont

cont:
  %cmp = icmp eq i1 %cond, true
  br i1 %cmp, label %exit1, label %exit2

exit1:
  call void @llvm.assume(i1 %cond)
  ret void

exit2:
  ret void
}

declare void @llvm.assume(i1)

declare void @cold() cold