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1; RUN: opt %loadNPMPolly '-passes=polly-custom<mse>' -polly-print-mse -disable-output < %s | FileCheck %s2; RUN: opt %loadNPMPolly '-passes=polly-custom<mse>' -polly-print-mse -pass-remarks-analysis=polly-mse -disable-output < %s 2>&1 | FileCheck %s --check-prefix=MSE3;4; Verify that the accesses are correctly expanded for MemoryKind::PHI5; tmp_04 is not expanded because it need copy-in.6;7; Original source code :8;9; #define Ni 1000010; #define Nj 1000011;12; void mse(double A[Ni], double B[Nj]) {13; int i,j;14; double tmp = 6;15; for (i = 0; i < Ni; i++) {16; for (int j = 0; j<Nj; j++) {17; tmp = tmp + 2;18; }19; B[i] = tmp;20; }21;22; Check that the pass detects that tmp_04 reads from original value.23;24; MSE: MemRef_tmp_04__phi read from its original value.25;26; Check that the SAI are created except the expanded SAI of tmp_04.27;28; CHECK-NOT: double MemRef_tmp_04__phi_Stmt_for_body_expanded[10000]; // Element size 829; CHECK: double MemRef_tmp_11__phi_Stmt_for_inc_expanded[10000][10000]; // Element size30; CHECK: double MemRef_add_lcssa__phi_Stmt_for_end_expanded[10000]; // Element size 831; CHECK: double MemRef_B_Stmt_for_end_expanded[10000]; // Element size 832;33; Check that the memory accesses are modified except those related to tmp_04.34;35; CHECK-NOT: new: { Stmt_for_body[i0] -> MemRef_tmp_04__phi_Stmt_for_body_expanded[i0] };36; CHECK: new: { Stmt_for_body[i0] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, 0] };37; CHECK: new: { Stmt_for_inc[i0, i1] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, 1 + i1] : i1 <= 9998 };38; CHECK: new: { Stmt_for_inc[i0, i1] -> MemRef_tmp_11__phi_Stmt_for_inc_expanded[i0, i1] };39; CHECK: new: { Stmt_for_inc[i0, 9999] -> MemRef_add_lcssa__phi_Stmt_for_end_expanded[i0] };40; CHECK-NOT: new: { Stmt_for_end[i0] -> MemRef_tmp_04__phi_Stmt_for_body_expanded[1 + i0] : i0 <= 9998 };41; CHECK: new: { Stmt_for_end[i0] -> MemRef_add_lcssa__phi_Stmt_for_end_expanded[i0] };42; CHECK: new: { Stmt_for_end[i0] -> MemRef_B_Stmt_for_end_expanded[i0] };43;44target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"45target triple = "x86_64-unknown-linux-gnu"46 47define void @tmp(ptr %A, ptr %B) {48entry:49 br label %entry.split50 51entry.split: ; preds = %entry52 br label %for.body53 54for.body: ; preds = %entry.split, %for.end55 %indvars.iv = phi i64 [ 0, %entry.split ], [ %indvars.iv.next, %for.end ]56 %tmp.04 = phi double [ 6.000000e+00, %entry.split ], [ %add.lcssa, %for.end ]57 br label %for.inc58 59for.inc: ; preds = %for.body, %for.inc60 %j1.02 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]61 %tmp.11 = phi double [ %tmp.04, %for.body ], [ %add, %for.inc ]62 %add = fadd double %tmp.11, 2.000000e+0063 %inc = add nuw nsw i32 %j1.02, 164 %exitcond = icmp ne i32 %inc, 1000065 br i1 %exitcond, label %for.inc, label %for.end66 67for.end: ; preds = %for.inc68 %add.lcssa = phi double [ %add, %for.inc ]69 %arrayidx = getelementptr inbounds double, ptr %B, i64 %indvars.iv70 store double %add.lcssa, ptr %arrayidx, align 871 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 172 %exitcond5 = icmp ne i64 %indvars.iv.next, 1000073 br i1 %exitcond5, label %for.body, label %for.end774 75for.end7: ; preds = %for.end76 ret void77}78