llvm/polly/test/ScopInfo/non-precise-inv-load-6.ll

; RUN: opt %loadNPMPolly '-passes=print<polly-function-scops>' -polly-invariant-load-hoisting=true -disable-output < %s 2>&1 | FileCheck %s
;
; Check that we model the execution context correctly.
;
;    void f(unsigned *I, unsigned *A, int c) {
;      for (unsigned i = c; i < 10; i++)
;        A[i] += *I;
;    }
;
; CHECK:         Invariant Accesses: {
; CHECK-NEXT:            ReadAccess :=	[Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT:                [c] -> { Stmt_for_body[i0] -> MemRef_I[0] };
; CHECK-NEXT:            Execution Context: [c] -> {  : 0 <= c <= 9 }
; CHECK-NEXT:    }
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

define void @f(ptr %I, ptr %A, i64 %c) {
entry:
  br label %for.cond

for.cond:                                         ; preds = %for.inc, %entry
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ %c, %entry ]
  %exitcond = icmp ult i64 %indvars.iv, 10
  br i1 %exitcond, label %for.body, label %for.end

for.body:                                         ; preds = %for.cond
  %tmp = load i32, ptr %I, align 4
  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
  %tmp1 = load i32, ptr %arrayidx, align 4
  %add = add i32 %tmp1, %tmp
  store i32 %add, ptr %arrayidx, align 4
  br label %for.inc

for.inc:                                          ; preds = %for.body
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  br label %for.cond

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