File: stale-assume-in-original-func.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (38 lines) | stat: -rw-r--r-- 725 bytes parent folder | download | duplicates (14)
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