File: loop-unswitch.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (26 lines) | stat: -rw-r--r-- 777 bytes parent folder | download | duplicates (3)
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
; RUN: opt -S -simple-loop-unswitch -disable-basic-aa -enable-mssa-loop-dependency -verify-memoryssa < %s | FileCheck %s
; REQUIRES: asserts

target triple = "x86_64-unknown-linux-gnu"

; CHECK-LABEL:  @foo()
; Function Attrs: readnone speculatable
declare i32 @foo() #0

define void @main() {
entry:
  br label %for.cond2682

for.cond2682:                                     ; preds = %if.then2712, %entry
  %mul2708 = call i32 @foo()
  %tobool2709 = icmp ne i32 %mul2708, 0
  br i1 %tobool2709, label %if.then2712, label %lor.lhs.false2710

lor.lhs.false2710:                                ; preds = %for.cond2682
  unreachable

if.then2712:                                      ; preds = %for.cond2682
  br label %for.cond2682
}

attributes #0 = { readnone speculatable }