File: switch-default-only.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (14 lines) | stat: -rw-r--r-- 320 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
; RUN: llc -O0 -fast-isel=false -mtriple=i686-- < %s | FileCheck %s

; No need for branching when the default and only destination follows
; immediately after the switch.
; CHECK-LABEL: no_branch:
; CHECK-NOT: jmp
; CHECK: ret

define void @no_branch(i32 %x) {
entry:
  switch i32 %x, label %exit [ ]
exit:
  ret void
}