File: enable_and_isvectorized.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (33 lines) | stat: -rw-r--r-- 985 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
33
; RUN: opt -transform-warning -disable-output < %s 2>&1 | FileCheck -allow-empty %s
;
; llvm.org/PR40546
; Do not warn about about leftover llvm.loop.vectorize.enable for already
; vectorized loops.

target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"

define void @test(i32 %n) {
entry:
  %cmp = icmp eq i32 %n, 0
  br i1 %cmp, label %simd.if.end, label %omp.inner.for.body.preheader

omp.inner.for.body.preheader:
  %wide.trip.count = zext i32 %n to i64
  br label %omp.inner.for.body

omp.inner.for.body:
  %indvars.iv = phi i64 [ 0, %omp.inner.for.body.preheader ], [ %indvars.iv.next, %omp.inner.for.body ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond, label %simd.if.end, label %omp.inner.for.body, !llvm.loop !0

simd.if.end:
  ret void
}

!0 = distinct !{!0, !1, !2}
!1 = !{!"llvm.loop.vectorize.enable", i1 true}
!2 = !{!"llvm.loop.isvectorized"}


; CHECK-NOT: loop not vectorized