41 lines
1.6 KiB
LLVM
41 lines
1.6 KiB
LLVM
; REQUIRES: asserts
|
|
; RUN: opt -S -loop-vectorize -debug-only=loop-vectorize -mcpu=core-avx2 %s 2>&1 | FileCheck %s
|
|
target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
|
|
target triple = "i386-unknown-linux-gnu"
|
|
|
|
@i64src = common local_unnamed_addr global [120 x i64] zeroinitializer, align 4
|
|
@i64dst = common local_unnamed_addr global [120 x i64] zeroinitializer, align 4
|
|
|
|
; Function Attrs: norecurse nounwind
|
|
define void @stride2i64(i64 %k, i32 %width_) {
|
|
entry:
|
|
|
|
; CHECK: Found an estimated cost of 8 for VF 4 For instruction: %0 = load i64
|
|
; CHECK: Found an estimated cost of 8 for VF 4 For instruction: store i64
|
|
|
|
%cmp27 = icmp sgt i32 %width_, 0
|
|
br i1 %cmp27, label %for.body.lr.ph, label %for.cond.cleanup
|
|
|
|
for.body.lr.ph: ; preds = %entry
|
|
br label %for.body
|
|
|
|
for.cond.cleanup: ; preds = %for.body, %entry
|
|
ret void
|
|
|
|
for.body:
|
|
%i.028 = phi i32 [ 0, %for.body.lr.ph ], [ %add16, %for.body ]
|
|
%arrayidx = getelementptr inbounds [120 x i64], [120 x i64]* @i64src, i32 0, i32 %i.028
|
|
%0 = load i64, i64* %arrayidx, align 4
|
|
%arrayidx2 = getelementptr inbounds [120 x i64], [120 x i64]* @i64dst, i32 0, i32 %i.028
|
|
store i64 %0, i64* %arrayidx2, align 4
|
|
%add4 = add nuw nsw i32 %i.028, 1
|
|
%arrayidx5 = getelementptr inbounds [120 x i64], [120 x i64]* @i64src, i32 0, i32 %add4
|
|
%1 = load i64, i64* %arrayidx5, align 4
|
|
%arrayidx8 = getelementptr inbounds [120 x i64], [120 x i64]* @i64dst, i32 0, i32 %add4
|
|
store i64 %1, i64* %arrayidx8, align 4
|
|
%add16 = add nuw nsw i32 %i.028, 2
|
|
%cmp = icmp slt i32 %add16, %width_
|
|
br i1 %cmp, label %for.body, label %for.cond.cleanup
|
|
}
|
|
|