polly/test/IstAstInfo/single_loop_strip_mine.ll

; RUN: opt %loadPolly -basic-aa -polly-ast -analyze < %s | FileCheck %s
; RUN: opt %loadPolly -basic-aa -polly-import-jscop \
; RUN:   -polly-ast-print-accesses \
; RUN:   -polly-ast -polly-ast-detect-parallel -analyze < %s | FileCheck %s \
; RUN:   -check-prefix=CHECK-VECTOR

; for (i = 0; i < 1024; i++)
;   A[i] = B[i];

target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"

define void @single_loop_strip_mine(i16* noalias %A, i16* noalias %B) {
entry:
  br label %for.cond

for.cond:                                         ; preds = %for.body, %entry
  %indvar = phi i64 [ 0, %entry ], [ %inc, %for.body ]
  %cmp = icmp slt i64 %indvar, 1024
  br i1 %cmp, label %for.body, label %for.end

for.body:                                         ; preds = %for.cond
  %arrayidx = getelementptr inbounds i16, i16* %B, i64 0
  %load = load i16, i16* %arrayidx
  %add10 = add nsw i16 %load, 1
  %arrayidx13 = getelementptr inbounds i16, i16* %A, i64 %indvar
  store i16 %add10, i16* %arrayidx13, align 2
  %inc = add nsw i64 %indvar, 1
  br label %for.cond

for.end:                                          ; preds = %for.cond
  ret void
}

; CHECK: for (int c0 = 0; c0 <= 1023; c0 += 1)
; CHECK:     Stmt_for_body(c0);

; CHECK-VECTOR: #pragma known-parallel
; CHECK-VECTOR: for (int c0 = 0; c0 <= 1023; c0 += 4)
; CHECK-VECTOR:     #pragma simd
; CHECK-VECTOR:     for (int c1 = c0; c1 <= c0 + 3; c1 += 1)
; CHECK-VECTOR:       Stmt_for_body(
; CHECK-VECTOR:         /* read  */ &MemRef_B[0]
; CHECK-VECTOR:         /* write */  MemRef_A[c1]
; CHECK-VECTOR:       );