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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; double phi1 = 0.0, phi2 = 0.0;6; for (int i = 0; i < 4; i += 1) { /* reduction */7; phi1 += 4.2;8; phi2 += 29.0;9; }10; A[j] = phi1 + phi2;11; }12; }13;14; Check that we cannot map both, %phi1 and %phi2 to A[j] (conflict).15; Note that it is undefined which one will be mapped. We keep the test16; symmetric so it passes if either one is mapped.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 br i1 %j.cmp, label %reduction.preheader, label %outer.exit29 30 31 reduction.preheader:32 br label %reduction.for33 34 reduction.for:35 %i = phi i32 [0, %reduction.preheader], [%i.inc, %reduction.inc]36 %phi1 = phi double [0.0, %reduction.preheader], [%add1, %reduction.inc]37 %phi2 = phi double [0.0, %reduction.preheader], [%add2, %reduction.inc]38 %i.cmp = icmp slt i32 %i, 439 br i1 %i.cmp, label %body, label %reduction.exit40 41 42 43 body:44 %add1 = fadd double %phi1, 4.245 %add2 = fadd double %phi2, 29.046 br label %reduction.inc47 48 49 50 reduction.inc:51 %i.inc = add nuw nsw i32 %i, 152 br label %reduction.for53 54 reduction.exit:55 %A_idx = getelementptr inbounds double, ptr %A, i32 %j56 %sum = fadd double %phi1, %phi257 store double %sum, ptr %A_idx58 br label %outer.inc59 60 61 62outer.inc:63 %j.inc = add nuw nsw i32 %j, 164 br label %outer.for65 66outer.exit:67 br label %return68 69return:70 ret void71}72 73 74; CHECK: Statistics {75; CHECK: Compatible overwrites: 176; CHECK: Overwrites mapped to: 177; CHECK: Value scalars mapped: 278; CHECK: PHI scalars mapped: 179; CHECK: }80