File: section-splitting-custom.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 (39 lines) | stat: -rw-r--r-- 1,121 bytes parent folder | download | duplicates (8)
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
; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=-1 -pass-remarks=hotcoldsplit -enable-cold-section=true -hotcoldsplit-cold-section-name="__cold_custom" -S < %s 2>&1 | FileCheck %s

; This test case is copied over from split-cold-2.ll, modified
; to test the `-enable-cold-section` and `-hotcoldsplit-cold-section-name`
; parameters in opt.
; Make sure this compiles. This test used to fail with an invalid phi node: the
; two predecessors were outlined and the SSA representation was invalid.

; CHECK: remark: <unknown>:0:0: fun split cold code into fun.cold.1
; CHECK-LABEL: @fun
; CHECK: codeRepl:
; CHECK-NEXT: call void @fun.cold.1

; CHECK: define {{.*}}@fun.cold.1{{.*}} [[cold_attr:#[0-9]+]] section "__cold_custom"
; CHECK: attributes [[cold_attr]] = { {{.*}}noreturn

define void @fun() {
entry:
  br i1 undef, label %if.then, label %if.else

if.then:
  ret void

if.else:
  br label %if.then4

if.then4:
  br i1 undef, label %if.then5, label %if.end

if.then5:
  br label %cleanup

if.end:
  br label %cleanup

cleanup:
  %cleanup.dest.slot.0 = phi i32 [ 1, %if.then5 ], [ 0, %if.end ]
  unreachable
}