; RUN: opt %loadPolly -polly-scops -analyze \ ; RUN: -polly-precise-fold-accesses < %s | FileCheck %s ; ; void foo(long n, long m, float A[][n][m]) { ; for (long i = 0; i < 100; i++) ; for (long j = 0; j < n; j++) ; for (long k = 0; k < m; k++) ; A[i][j][k] += A[i][n - j - 1][m - k - 1]; ; } ; ; Verify that the parameter in the subscript expression is correctly ; recovered. ; ; CHECK: Assumed Context: ; CHECK-NEXT: [n, m] -> { : } ; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n, m] -> { Stmt_for_body6[i0, i1, i2] -> MemRef_A[i0, -1 + n - i1, -1 + m - i2] }; ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @foo(i64 %n, i64 %m, float* %A) { entry: br label %for.cond for.cond: ; preds = %for.inc18, %entry %i.0 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ] %exitcond = icmp ne i64 %i.0, 100 br i1 %exitcond, label %for.body, label %for.end20 for.body: ; preds = %for.cond br label %for.cond1 for.cond1: ; preds = %for.inc15, %for.body %j.0 = phi i64 [ 0, %for.body ], [ %inc16, %for.inc15 ] %cmp2 = icmp slt i64 %j.0, %n br i1 %cmp2, label %for.body3, label %for.end17 for.body3: ; preds = %for.cond1 br label %for.cond4 for.cond4: ; preds = %for.inc, %for.body3 %k.0 = phi i64 [ 0, %for.body3 ], [ %inc, %for.inc ] %cmp5 = icmp slt i64 %k.0, %m br i1 %cmp5, label %for.body6, label %for.end for.body6: ; preds = %for.cond4 %sub = sub nsw i64 %m, %k.0 %sub7 = add nsw i64 %sub, -1 %sub8 = sub nsw i64 %n, %j.0 %sub9 = add nsw i64 %sub8, -1 %tmp = mul nuw i64 %n, %m %tmp1 = mul nsw i64 %i.0, %tmp %tmp2 = mul nsw i64 %sub9, %m %arrayidx.sum = add i64 %tmp1, %tmp2 %arrayidx10.sum = add i64 %arrayidx.sum, %sub7 %arrayidx11 = getelementptr inbounds float, float* %A, i64 %arrayidx10.sum %tmp3 = load float, float* %arrayidx11, align 4 %tmp4 = mul nuw i64 %n, %m %tmp5 = mul nsw i64 %i.0, %tmp4 %tmp6 = mul nsw i64 %j.0, %m %arrayidx12.sum = add i64 %tmp5, %tmp6 %arrayidx13.sum = add i64 %arrayidx12.sum, %k.0 %arrayidx14 = getelementptr inbounds float, float* %A, i64 %arrayidx13.sum %tmp7 = load float, float* %arrayidx14, align 4 %add = fadd float %tmp7, %tmp3 store float %add, float* %arrayidx14, align 4 br label %for.inc for.inc: ; preds = %for.body6 %inc = add nuw nsw i64 %k.0, 1 br label %for.cond4 for.end: ; preds = %for.cond4 br label %for.inc15 for.inc15: ; preds = %for.end %inc16 = add nuw nsw i64 %j.0, 1 br label %for.cond1 for.end17: ; preds = %for.cond1 br label %for.inc18 for.inc18: ; preds = %for.end17 %inc19 = add nuw nsw i64 %i.0, 1 br label %for.cond for.end20: ; preds = %for.cond ret void }