File: hoist-more-than-two-branches.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 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 (31 lines) | stat: -rw-r--r-- 483 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
; RUN: opt -passes=gvn-hoist -S < %s | FileCheck %s

; CHECK: store
; CHECK-NOT: store

; Check that an instruction can be hoisted to a basic block
; with more than two successors.

@G = external global i32, align 4

define void @foo(i32 %c1) {
entry:
  switch i32 %c1, label %exit1 [
    i32 0, label %sw0
    i32 1, label %sw1
  ]

sw0:
  store i32 1, ptr @G
  br label %exit

sw1:
  store i32 1, ptr @G
  br label %exit

exit1:
  store i32 1, ptr @G
  ret void
exit:
  ret void
}