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1; RUN: opt %loadNPMPolly '-passes=polly-custom<delicm>' -polly-print-delicm -disable-output < %s | FileCheck %s2;3; void func(double *A) {4; for (int j = 0; j < 2; j += 1) { /* outer */5; fsomeval = 21.0 + 21.0;6; double phi = 0.0;7; for (int i = 0; i < 4; i += 1) /* reduction */8; phi += 4.2;9; A[j] = fsomeval;10; }11; g(fsomeval);12; }13;14; Check that fsomeval is not mapped to A[j] because it is escaping the SCoP.15; Supporting this would require reloading the scalar from A[j], and/or16; identifying the last instance of fsomeval that escapes.17;18define void @func(ptr noalias nonnull %A) {19entry:20 br label %outer.preheader21 22outer.preheader:23 br label %outer.for24 25outer.for:26 %j = phi i32 [0, %outer.preheader], [%j.inc, %outer.inc]27 %j.cmp = icmp slt i32 %j, 228 %fsomeval = fadd double 21.0, 21.029 br i1 %j.cmp, label %reduction.preheader, label %outer.exit30 31 32 reduction.preheader:33 br label %reduction.for34 35 reduction.for:36 %i = phi i32 [0, %reduction.preheader], [%i.inc, %reduction.inc]37 %phi = phi double [0.0, %reduction.preheader], [%add, %reduction.inc]38 %i.cmp = icmp slt i32 %i, 439 br i1 %i.cmp, label %body, label %reduction.exit40 41 42 43 body:44 %add = fadd double %phi, 4.245 br label %reduction.inc46 47 48 49 reduction.inc:50 %i.inc = add nuw nsw i32 %i, 151 br label %reduction.for52 53 reduction.exit:54 %A_idx = getelementptr inbounds double, ptr %A, i32 %j55 store double %fsomeval, ptr %A_idx56 br label %outer.inc57 58 59 60outer.inc:61 %j.inc = add nuw nsw i32 %j, 162 br label %outer.for63 64outer.exit:65 br label %return66 67return:68 call void @g(double %fsomeval)69 ret void70}71 72declare void @g(double)73 74 75; CHECK: Statistics {76; CHECK: Compatible overwrites: 177; CHECK: }78; CHECK: No modification has been made79