File: pr15851_hang.ll

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (22 lines) | stat: -rw-r--r-- 482 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
; RUN: opt -S -jump-threading < %s | FileCheck %s

; CHECK-LABEL: @f(
; CHECK-LABEL: entry
; CHECK: ret void
; CHECK-NOT: for.cond1
; CHECK-NOT: for.body

define void @f() {
entry:
  ret void

for.cond1:
  %i.025 = phi i32 [ %inc, %for.body ], [ %inc, %for.body ], [ 1, %for.cond1 ]
  %cmp = icmp slt i32 %i.025, 2
  br i1 %cmp, label %for.body, label %for.cond1

for.body:
  %inc = add nsw i32 %i.025, 0
  %a = icmp ugt i32 %inc, 2
  br i1 %a, label %for.cond1, label %for.cond1
}