File: propagate-metadata.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (25 lines) | stat: -rw-r--r-- 1,126 bytes parent folder | download | duplicates (18) 
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
 
; RUN: opt -S -mtriple="x86_64-unknown-linux-gnu" -loop-vectorize < %s | FileCheck %s

; Don't crash on unknown metadata
; CHECK-LABEL: @no_propagate_range_metadata(
; CHECK: load <16 x i8>
; CHECK: store <16 x i8>
define void @no_propagate_range_metadata(i8* readonly %first.coerce, i8* readnone %last.coerce, i8* nocapture %result) {
for.body.preheader:
  br label %for.body

for.body:                                         ; preds = %for.body, %for.body.preheader
  %result.addr.05 = phi i8* [ %incdec.ptr, %for.body ], [ %result, %for.body.preheader ]
  %first.sroa.0.04 = phi i8* [ %incdec.ptr.i.i.i, %for.body ], [ %first.coerce, %for.body.preheader ]
  %0 = load i8, i8* %first.sroa.0.04, align 1, !range !0
  store i8 %0, i8* %result.addr.05, align 1
  %incdec.ptr.i.i.i = getelementptr inbounds i8, i8* %first.sroa.0.04, i64 1
  %incdec.ptr = getelementptr inbounds i8, i8* %result.addr.05, i64 1
  %lnot.i = icmp eq i8* %incdec.ptr.i.i.i, %last.coerce
  br i1 %lnot.i, label %for.end.loopexit, label %for.body

for.end.loopexit:                                 ; preds = %for.body
  ret void
}

!0 = !{i8 0, i8 2}