1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --filter "LV: Found an estimated cost of [0-9] for VF [0-9] For instruction:\s*store ptr %[0-9], ptr %__last" --filter "LV: Found an estimated cost of [0-9] for VF [0-9] For instruction:\s*store ptr %[0-9]" --version 5
2; REQUIRES: asserts
3; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s
4target triple = "x86_64-unknown-linux-gnu"
5
6define ptr @foo(ptr %__first, ptr %__last) #0 {
7; CHECK-LABEL: 'foo'
8; CHECK:  LV: Found an estimated cost of 1 for VF 1 For instruction: store ptr %0, ptr %__last, align 8
9; CHECK:  LV: Found an estimated cost of 2 for VF 2 For instruction: store ptr %0, ptr %__last, align 8
10; CHECK:  LV: Found an estimated cost of 3 for VF 4 For instruction: store ptr %0, ptr %__last, align 8
11; CHECK:  LV: Found an estimated cost of 3 for VF 8 For instruction: store ptr %0, ptr %__last, align 8
12;
13entry:
14  %cmp.not1 = icmp eq ptr %__first, %__last
15  br i1 %cmp.not1, label %for.end, label %for.body.preheader
16
17for.body.preheader:
18  br label %for.body
19
20for.body:
21  %__first.addr.02 = phi ptr [ %incdec.ptr, %for.body ], [ %__first, %for.body.preheader ]
22  %0 = load ptr, ptr %__first.addr.02, align 8
23  store ptr %0, ptr %__last, align 8
24  %incdec.ptr = getelementptr inbounds i8, ptr %__first.addr.02, i64 16
25  %cmp.not = icmp eq ptr %incdec.ptr, %__last
26  br i1 %cmp.not, label %for.end.loopexit, label %for.body
27
28for.end.loopexit:
29  br label %for.end
30
31for.end:
32  ret ptr null
33}
34
35attributes #0 = { "target-cpu"="znver4" }
36