File: duplicate_remove.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 (32 lines) | stat: -rw-r--r-- 1,063 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
29
30
31
32
 
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s --passes=canon-freeze -S | FileCheck %s

define void @check_duplicate_removal(i32 %n) {
; CHECK-LABEL: define void @check_duplicate_removal(
; CHECK-SAME: i32 [[N:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[N_FROZEN:%.*]] = freeze i32 [[N]]
; CHECK-NEXT:    br label [[LOOP:%.*]]
; CHECK:       loop:
; CHECK-NEXT:    [[T1:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[T3:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[T2:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[T3]], [[LOOP]] ]
; CHECK-NEXT:    [[T3]] = add i32 [[N_FROZEN]], [[T2]]
; CHECK-NEXT:    [[COND:%.*]] = icmp eq i32 [[T2]], 0
; CHECK-NEXT:    br i1 [[COND]], label [[LOOP]], label [[EXIT:%.*]]
; CHECK:       exit:
; CHECK-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %t1 = phi i32 [ 0, %entry], [%t3, %loop ]
  %t2 = phi i32 [ 0, %entry], [%t3, %loop ]
  %t3 = add i32 %n, %t2
  %.fr = freeze i32 %t3
  %cond = icmp eq i32 %t2, 0
  br i1 %cond, label %loop, label %exit

exit:
  ret void
}