File: enable_and_isvectorized.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (33 lines) | stat: -rw-r--r-- 992 bytes parent folder | download | duplicates (12) 
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 -passes=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