File: 2006-06-27-DeadSwitchCase.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (31 lines) | stat: -rw-r--r-- 841 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
 
; RUN: opt < %s -passes=simple-loop-unswitch -verify-memoryssa -disable-output

define void @init_caller_save() {
entry:
  br label %cond_true78

cond_true78:    ; preds = %bb75, %entry
  %i.0.0 = phi i32 [ 0, %entry ], [ %tmp74.0, %bb75 ]    ; <i32> [#uses=2]
  br label %bb54

bb54:    ; preds = %cond_true78, %bb31
  br i1 false, label %bb75, label %cond_true64

cond_true64:    ; preds = %bb54
  switch i32 %i.0.0, label %cond_next20 [
     i32 17, label %bb31
     i32 18, label %bb31
  ]

cond_next20:    ; preds = %cond_true64
  br label %bb31

bb31:    ; preds = %cond_true64, %cond_true64, %cond_next20
  %iftmp.29.1 = phi i32 [ 0, %cond_next20 ], [ 0, %cond_true64 ], [ 0, %cond_true64 ]    ; <i32> [#uses=0]
  br label %bb54

bb75:    ; preds = %bb54
  %tmp74.0 = add i32 %i.0.0, 1    ; <i32> [#uses=1]
  br label %cond_true78
}