1; RUN: opt %loadNPMPolly -polly-precise-fold-accesses '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s 2; 3; void foo(long n, long m, float A[][n][m]) { 4; for (long i = 0; i < 100; i++) 5; for (long j = 0; j < n; j++) 6; for (long k = 0; k < m; k++) 7; A[i][j][k] += A[i][n - j - 1][m - k - 1]; 8; } 9; 10; Verify that the parameter in the subscript expression is correctly 11; recovered. 12; 13; CHECK: Assumed Context: 14; CHECK-NEXT: [n, m] -> { : } 15; CHECK: ReadAccess := [Reduction Type: NONE] [Scalar: 0] 16; CHECK-NEXT: [n, m] -> { Stmt_for_body6[i0, i1, i2] -> MemRef_A[i0, -1 + n - i1, -1 + m - i2] }; 17; 18target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 19 20define void @foo(i64 %n, i64 %m, ptr %A) { 21entry: 22 br label %for.cond 23 24for.cond: ; preds = %for.inc18, %entry 25 %i.0 = phi i64 [ 0, %entry ], [ %inc19, %for.inc18 ] 26 %exitcond = icmp ne i64 %i.0, 100 27 br i1 %exitcond, label %for.body, label %for.end20 28 29for.body: ; preds = %for.cond 30 br label %for.cond1 31 32for.cond1: ; preds = %for.inc15, %for.body 33 %j.0 = phi i64 [ 0, %for.body ], [ %inc16, %for.inc15 ] 34 %cmp2 = icmp slt i64 %j.0, %n 35 br i1 %cmp2, label %for.body3, label %for.end17 36 37for.body3: ; preds = %for.cond1 38 br label %for.cond4 39 40for.cond4: ; preds = %for.inc, %for.body3 41 %k.0 = phi i64 [ 0, %for.body3 ], [ %inc, %for.inc ] 42 %cmp5 = icmp slt i64 %k.0, %m 43 br i1 %cmp5, label %for.body6, label %for.end 44 45for.body6: ; preds = %for.cond4 46 %sub = sub nsw i64 %m, %k.0 47 %sub7 = add nsw i64 %sub, -1 48 %sub8 = sub nsw i64 %n, %j.0 49 %sub9 = add nsw i64 %sub8, -1 50 %tmp = mul nuw i64 %n, %m 51 %tmp1 = mul nsw i64 %i.0, %tmp 52 %tmp2 = mul nsw i64 %sub9, %m 53 %arrayidx.sum = add i64 %tmp1, %tmp2 54 %arrayidx10.sum = add i64 %arrayidx.sum, %sub7 55 %arrayidx11 = getelementptr inbounds float, ptr %A, i64 %arrayidx10.sum 56 %tmp3 = load float, ptr %arrayidx11, align 4 57 %tmp4 = mul nuw i64 %n, %m 58 %tmp5 = mul nsw i64 %i.0, %tmp4 59 %tmp6 = mul nsw i64 %j.0, %m 60 %arrayidx12.sum = add i64 %tmp5, %tmp6 61 %arrayidx13.sum = add i64 %arrayidx12.sum, %k.0 62 %arrayidx14 = getelementptr inbounds float, ptr %A, i64 %arrayidx13.sum 63 %tmp7 = load float, ptr %arrayidx14, align 4 64 %add = fadd float %tmp7, %tmp3 65 store float %add, ptr %arrayidx14, align 4 66 br label %for.inc 67 68for.inc: ; preds = %for.body6 69 %inc = add nuw nsw i64 %k.0, 1 70 br label %for.cond4 71 72for.end: ; preds = %for.cond4 73 br label %for.inc15 74 75for.inc15: ; preds = %for.end 76 %inc16 = add nuw nsw i64 %j.0, 1 77 br label %for.cond1 78 79for.end17: ; preds = %for.cond1 80 br label %for.inc18 81 82for.inc18: ; preds = %for.end17 83 %inc19 = add nuw nsw i64 %i.0, 1 84 br label %for.cond 85 86for.end20: ; preds = %for.cond 87 ret void 88} 89