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1; RUN: opt %loadNPMPolly -polly-stmt-granularity=bb -polly-delicm-partial-writes=true '-passes=polly-custom<delicm>' -polly-print-delicm -disable-output < %s | FileCheck -match-full-lines %s2;3; Map %add and %phi to A[j].4; The non-analyzable store to C[0] is unrelated and can be ignored.5;6; void func(double *A) {7; for (int j = 0; j < 2; j += 1) { /* outer */8; double phi = 0.0;9; for (int i = 0; i < 4; i += 1) { /* reduction */10; phi += 4.2;11; C[0] = 21.0;12; C[0] = 42.0;13; }14; A[j] = phi;15; }16; }17;18define void @func(ptr noalias nonnull %A, ptr noalias nonnull %C) {19entry:20 br label %outer.for21 22outer.for:23 %j = phi i32 [0, %entry], [%j.inc, %outer.inc]24 %j.cmp = icmp slt i32 %j, 225 br i1 %j.cmp, label %reduction.for, label %outer.exit26 27 28 reduction.for:29 %i = phi i32 [0, %outer.for], [%i.inc, %reduction.inc]30 %phi = phi double [0.0, %outer.for], [%add, %reduction.inc]31 %i.cmp = icmp slt i32 %i, 432 br i1 %i.cmp, label %body, label %reduction.exit33 34 35 36 body:37 %add = fadd double %phi, 4.238 store double 21.0, ptr %C39 store double 41.0, ptr %C40 br label %reduction.inc41 42 43 44 reduction.inc:45 %i.inc = add nuw nsw i32 %i, 146 br label %reduction.for47 48 reduction.exit:49 %A_idx = getelementptr inbounds double, ptr %A, i32 %j50 store double %phi, ptr %A_idx51 br label %outer.inc52 53 54 55outer.inc:56 %j.inc = add nuw nsw i32 %j, 157 br label %outer.for58 59outer.exit:60 br label %return61 62return:63 ret void64}65 66 67; CHECK: After accesses {68; CHECK-NEXT: Stmt_outer_for69; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]70; CHECK-NEXT: { Stmt_outer_for[i0] -> MemRef_phi__phi[] };71; CHECK-NEXT: new: { Stmt_outer_for[i0] -> MemRef_A[i0] : i0 <= 1 };72; CHECK-NEXT: Stmt_reduction_for73; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]74; CHECK-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi__phi[] };75; CHECK-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };76; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]77; CHECK-NEXT: { Stmt_reduction_for[i0, i1] -> MemRef_phi[] };78; CHECK-NEXT: new: { Stmt_reduction_for[i0, i1] -> MemRef_A[i0] };79; CHECK-NEXT: Stmt_body80; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]81; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_add[] };82; CHECK-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] };83; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]84; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_phi[] };85; CHECK-NEXT: new: { Stmt_body[i0, i1] -> MemRef_A[i0] };86; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]87; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_C[0] };88; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]89; CHECK-NEXT: { Stmt_body[i0, i1] -> MemRef_C[0] };90; CHECK-NEXT: Stmt_reduction_inc91; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]92; CHECK-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_add[] };93; CHECK-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] };94; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]95; CHECK-NEXT: { Stmt_reduction_inc[i0, i1] -> MemRef_phi__phi[] };96; CHECK-NEXT: new: { Stmt_reduction_inc[i0, i1] -> MemRef_A[i0] };97; CHECK-NEXT: Stmt_reduction_exit98; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]99; CHECK-NEXT: { Stmt_reduction_exit[i0] -> MemRef_A[i0] };100; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]101; CHECK-NEXT: { Stmt_reduction_exit[i0] -> MemRef_phi[] };102; CHECK-NEXT: new: { Stmt_reduction_exit[i0] -> MemRef_A[i0] };103; CHECK-NEXT: }104