File: arm64-jumptable.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (34 lines) | stat: -rw-r--r-- 882 bytes parent folder | download | duplicates (15) 
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
 
; RUN: llc -mtriple=arm64-apple-ios < %s | FileCheck %s
; RUN: llc -mtriple=arm64-linux-gnu < %s | FileCheck %s --check-prefix=CHECK-LINUX
; <rdar://11417675>

define void @sum(i32 %a, i32* %to, i32 %c) {
entry:
  switch i32 %a, label %exit [
    i32 1, label %bb1
    i32 2, label %exit.sink.split
    i32 3, label %bb3
    i32 4, label %bb4
  ]
bb1:
  %b = add i32 %c, 1
  br label %exit.sink.split
bb3:
  br label %exit.sink.split
bb4:
  br label %exit.sink.split
exit.sink.split:
  %.sink = phi i32 [ 5, %bb4 ], [ %b, %bb1 ], [ 3, %bb3 ], [ %a, %entry ]
  store i32 %.sink, i32* %to
  br label %exit
exit:
  ret void
}

; CHECK-LABEL: sum:
; CHECK: adrp    {{x[0-9]+}}, LJTI0_0@PAGE
; CHECK:  add    {{x[0-9]+}}, {{x[0-9]+}}, LJTI0_0@PAGEOFF

; CHECK-LINUX-LABEL: sum:
; CHECK-LINUX: adrp    {{x[0-9]+}}, .LJTI0_0
; CHECK-LINUX:  add    {{x[0-9]+}}, {{x[0-9]+}}, :lo12:.LJTI0_0