File: infloop-deadphi.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (28 lines) | stat: -rw-r--r-- 717 bytes parent folder | download | duplicates (11) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=reassociate %s -S | FileCheck %s

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

define void @f() {
; CHECK-LABEL: @f(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    br label [[DONE:%.*]]
; CHECK:       dead:
; CHECK-NEXT:    [[XOR0:%.*]] = xor i16 [[XOR1:%.*]], undef
; CHECK-NEXT:    [[XOR1]] = xor i16 [[XOR0]], undef
; CHECK-NEXT:    br i1 undef, label [[DEAD:%.*]], label [[DONE]]
; CHECK:       done:
; CHECK-NEXT:    ret void
;
entry:
  br label %done

dead:
  %xor0 = xor i16 %xor1, undef
  %xor1 = xor i16 %xor0, undef
  br i1 undef, label %dead, label %done

done:
  %e = phi i16 [ %xor1, %dead ], [ 0, %entry ]
  ret void
}