multidim_fixedsize_multi_offset.ll
2.52 KB
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; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: Context:
; CHECK-NEXT: { : }
; CHECK: Assumed Context:
; CHECK-NEXT: { : }
; CHECK: Invalid Context:
; CHECK-NEXT: { : false }
; CHECK: Statements {
; CHECK-NEXT: Stmt_for_body
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_for_body[i0] : 0 <= i0 <= 99 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_for_body[i0] -> [i0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[i0, 0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[i0, 0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[1 + i0, 0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: +] [Scalar: 0]
; CHECK-NEXT: { Stmt_for_body[i0] -> MemRef_A[1 + i0, 0] };
; CHECK-NEXT: }
;
; void f(int A[][2]) {
; int(*B)[2] = &A[0][0];
; int(*C)[2] = &A[1][0];
; for (int i = 0; i < 100; i++) {
; B[i][0]++;
; C[i][0]++;
; }
; }
;
; Verify that the additional offset to A by accessing it through C is taken into
; account.
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f([2 x i32]* %A) {
entry:
%arrayidx3 = getelementptr inbounds [2 x i32], [2 x i32]* %A, i64 1, i64 0
%tmp = bitcast i32* %arrayidx3 to [2 x i32]*
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
%exitcond = icmp ne i64 %indvars.iv, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%arrayidx5 = getelementptr inbounds [2 x i32], [2 x i32]* %A, i64 %indvars.iv, i64 0
%tmp1 = load i32, i32* %arrayidx5, align 4
%inc = add nsw i32 %tmp1, 1
store i32 %inc, i32* %arrayidx5, align 4
%arrayidx8 = getelementptr inbounds [2 x i32], [2 x i32]* %tmp, i64 %indvars.iv, i64 0
%tmp2 = load i32, i32* %arrayidx8, align 4
%inc9 = add nsw i32 %tmp2, 1
store i32 %inc9, i32* %arrayidx8, 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
}