| ; 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 |
| ; REQUIRES: asserts |
| ; RUN: opt -passes=loop-vectorize -debug-only=loop-vectorize -S < %s 2>&1 | FileCheck %s |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define ptr @foo(ptr %__first, ptr %__last) #0 { |
| ; CHECK-LABEL: 'foo' |
| ; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store ptr %0, ptr %__last, align 8 |
| ; CHECK: LV: Found an estimated cost of 2 for VF 2 For instruction: store ptr %0, ptr %__last, align 8 |
| ; CHECK: LV: Found an estimated cost of 3 for VF 4 For instruction: store ptr %0, ptr %__last, align 8 |
| ; CHECK: LV: Found an estimated cost of 3 for VF 8 For instruction: store ptr %0, ptr %__last, align 8 |
| ; |
| entry: |
| %cmp.not1 = icmp eq ptr %__first, %__last |
| br i1 %cmp.not1, label %for.end, label %for.body.preheader |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.body: |
| %__first.addr.02 = phi ptr [ %incdec.ptr, %for.body ], [ %__first, %for.body.preheader ] |
| %0 = load ptr, ptr %__first.addr.02, align 8 |
| store ptr %0, ptr %__last, align 8 |
| %incdec.ptr = getelementptr inbounds i8, ptr %__first.addr.02, i64 16 |
| %cmp.not = icmp eq ptr %incdec.ptr, %__last |
| br i1 %cmp.not, label %for.end.loopexit, label %for.body |
| |
| for.end.loopexit: |
| br label %for.end |
| |
| for.end: |
| ret ptr null |
| } |
| |
| attributes #0 = { "target-cpu"="znver4" } |