File: int_sideeffect.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 (24 lines) | stat: -rw-r--r-- 598 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
; RUN: opt -S < %s -passes=loop-vectorize -force-vector-width=4 | FileCheck %s

declare void @llvm.sideeffect()

; Vectorization across a @llvm.sideeffect.

; CHECK-LABEL: store_ones
; CHECK: store <4 x float>
define void @store_ones(ptr %p, i64 %n) nounwind {
bb7.lr.ph:
  br label %bb7

bb7:
  %i.02 = phi i64 [ 0, %bb7.lr.ph ], [ %tmp13, %bb7 ]
  call void @llvm.sideeffect()
  %tmp10 = getelementptr inbounds float, ptr %p, i64 %i.02
  store float 1.0, ptr %tmp10, align 4
  %tmp13 = add i64 %i.02, 1
  %tmp6 = icmp ult i64 %tmp13, %n
  br i1 %tmp6, label %bb7, label %bb14

bb14:
  ret void
}