1; RUN: opt %loadPolly -polly-mse -analyze < %s | FileCheck %s 2; RUN: opt %loadPolly -polly-mse -pass-remarks-analysis="polly-mse" -analyze < %s 2>&1| FileCheck %s --check-prefix=MSE 3; 4; Verify that the accesses are correctly expanded for MemoryKind::Array and MemoryKind::PHI. 5; tmp_06_phi is not expanded because it need copy in. 6; 7; Original source code : 8; 9; #define Ni 2000 10; #define Nj 3000 11; 12; void tmp3(double A[Ni], double B[Nj]) { 13; int i,j; 14; double tmp = 6; 15; for (i = 0; i < Ni; i++) { 16; 17; for(int h = 0; h<Nj; h++) 18; B[h] = h; 19; 20; for(j = 0; j < Nj; j++) { 21; for(int k=0; k<Nj; k++) { 22; tmp = tmp+i+k+j; 23; A[i+j] = tmp*B[k]; 24; } 25; } 26; } 27; } 28; 29; Check if the expanded SAI are created except for tmp_06_phi 30; 31; MSE: MemRef_tmp_06__phi read from its original value. 32; 33; CHECK-DAG: double MemRef_A_Stmt_for_body11_expanded[10000][10000][10000]; // Element size 8 34; CHECK-DAG: double MemRef_add16_lcssa__phi_Stmt_for_inc25_expanded[10000][10000]; // Element size 8 35; CHECK-DAG: double MemRef_B_Stmt_for_body3_expanded[10000][10000]; // Element size 8 36; CHECK-DAG: double MemRef_tmp_06_Stmt_for_body_expanded[10000]; // Element size 8 37; CHECK-DAG: double MemRef_add16_lcssa_lcssa__phi_Stmt_for_inc28_expanded[10000]; // Element size 8 38; CHECK-DAG: double MemRef_tmp_14__phi_Stmt_for_body7_expanded[10000][10000]; // Element size 8 39; CHECK-DAG: double MemRef_tmp_22__phi_Stmt_for_body11_expanded[10000][10000][10000]; // Element size 8 40; CHECK-NOT: double MemRef_tmp_06__phi_Stmt_for_body_expanded[10000]; // Element size 8 41; 42; Check if the memory accesses are modified except those of tmp_06_phi 43; 44; CHECK-NOT: new: { Stmt_for_body[i0] -> MemRef_tmp_06__phi_Stmt_for_body_expanded[i0] }; 45; CHECK-DAG: new: { Stmt_for_body[i0] -> MemRef_tmp_06_Stmt_for_body_expanded[i0] }; 46; CHECK-DAG: new: { Stmt_for_body3[i0, i1] -> MemRef_B_Stmt_for_body3_expanded[i0, i1] }; 47; CHECK-DAG: new: { Stmt_for_end[i0] -> MemRef_tmp_06_Stmt_for_body_expanded[i0] }; 48; CHECK-DAG: new: { Stmt_for_end[i0] -> MemRef_tmp_14__phi_Stmt_for_body7_expanded[i0, 0] }; 49; CHECK-DAG: new: { Stmt_for_body7[i0, i1] -> MemRef_tmp_14__phi_Stmt_for_body7_expanded[i0, i1] }; 50; CHECK-DAG: new: { Stmt_for_body7[i0, i1] -> MemRef_tmp_22__phi_Stmt_for_body11_expanded[i0, i1, 0] }; 51; CHECK-DAG: new: { Stmt_for_body11[i0, i1, i2] -> MemRef_tmp_22__phi_Stmt_for_body11_expanded[i0, i1, 1 + i2] : i2 <= 9998 }; 52; CHECK-DAG: new: { Stmt_for_body11[i0, i1, i2] -> MemRef_tmp_22__phi_Stmt_for_body11_expanded[i0, i1, i2] }; 53; CHECK-DAG: new: { Stmt_for_body11[i0, i1, i2] -> MemRef_B_Stmt_for_body3_expanded[i0, i2] }; 54; CHECK-DAG: new: { Stmt_for_body11[i0, i1, i2] -> MemRef_A_Stmt_for_body11_expanded[i0, i1, i2] }; 55; CHECK-DAG: new: { Stmt_for_body11[i0, i1, 9999] -> MemRef_add16_lcssa__phi_Stmt_for_inc25_expanded[i0, i1] }; 56; CHECK-DAG: new: { Stmt_for_inc25[i0, i1] -> MemRef_tmp_14__phi_Stmt_for_body7_expanded[i0, 1 + i1] : i1 <= 9998 }; 57; CHECK-DAG: new: { Stmt_for_inc25[i0, i1] -> MemRef_add16_lcssa__phi_Stmt_for_inc25_expanded[i0, i1] }; 58; CHECK-DAG: new: { Stmt_for_inc25[i0, 9999] -> MemRef_add16_lcssa_lcssa__phi_Stmt_for_inc28_expanded[i0] }; 59; CHECK-DAG: new: { Stmt_for_inc28[i0] -> MemRef_add16_lcssa_lcssa__phi_Stmt_for_inc28_expanded[i0] }; 60; CHECK-NOT: new: { Stmt_for_inc28[i0] -> MemRef_tmp_06__phi_Stmt_for_body_expanded[1 + i0] : i0 <= 9998 }; 61; 62target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 63target triple = "x86_64-unknown-linux-gnu" 64 65define void @mse(double* %A, double* %B) { 66entry: 67 br label %entry.split 68 69entry.split: ; preds = %entry 70 br label %for.body 71 72for.body: ; preds = %entry.split, %for.inc28 73 %indvars.iv15 = phi i64 [ 0, %entry.split ], [ %indvars.iv.next16, %for.inc28 ] 74 %tmp.06 = phi double [ 6.000000e+00, %entry.split ], [ %add16.lcssa.lcssa, %for.inc28 ] 75 br label %for.body3 76 77for.body3: ; preds = %for.body, %for.body3 78 %indvars.iv = phi i64 [ 0, %for.body ], [ %indvars.iv.next, %for.body3 ] 79 %0 = trunc i64 %indvars.iv to i32 80 %conv = sitofp i32 %0 to double 81 %arrayidx = getelementptr inbounds double, double* %B, i64 %indvars.iv 82 store double %conv, double* %arrayidx, align 8 83 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 84 %exitcond = icmp ne i64 %indvars.iv.next, 10000 85 br i1 %exitcond, label %for.body3, label %for.end 86 87for.end: ; preds = %for.body3 88 br label %for.body7 89 90for.body7: ; preds = %for.end, %for.inc25 91 %indvars.iv11 = phi i64 [ 0, %for.end ], [ %indvars.iv.next12, %for.inc25 ] 92 %tmp.14 = phi double [ %tmp.06, %for.end ], [ %add16.lcssa, %for.inc25 ] 93 br label %for.body11 94 95for.body11: ; preds = %for.body7, %for.body11 96 %indvars.iv8 = phi i64 [ 0, %for.body7 ], [ %indvars.iv.next9, %for.body11 ] 97 %tmp.22 = phi double [ %tmp.14, %for.body7 ], [ %add16, %for.body11 ] 98 %1 = trunc i64 %indvars.iv15 to i32 99 %conv12 = sitofp i32 %1 to double 100 %add = fadd double %tmp.22, %conv12 101 %2 = trunc i64 %indvars.iv8 to i32 102 %conv13 = sitofp i32 %2 to double 103 %add14 = fadd double %add, %conv13 104 %3 = trunc i64 %indvars.iv11 to i32 105 %conv15 = sitofp i32 %3 to double 106 %add16 = fadd double %add14, %conv15 107 %arrayidx18 = getelementptr inbounds double, double* %B, i64 %indvars.iv8 108 %4 = load double, double* %arrayidx18, align 8 109 %mul = fmul double %add16, %4 110 %5 = add nuw nsw i64 %indvars.iv11, %indvars.iv15 111 %arrayidx21 = getelementptr inbounds double, double* %A, i64 %5 112 store double %mul, double* %arrayidx21, align 8 113 %indvars.iv.next9 = add nuw nsw i64 %indvars.iv8, 1 114 %exitcond10 = icmp ne i64 %indvars.iv.next9, 10000 115 br i1 %exitcond10, label %for.body11, label %for.inc25 116 117for.inc25: ; preds = %for.body11 118 %add16.lcssa = phi double [ %add16, %for.body11 ] 119 %indvars.iv.next12 = add nuw nsw i64 %indvars.iv11, 1 120 %exitcond14 = icmp ne i64 %indvars.iv.next12, 10000 121 br i1 %exitcond14, label %for.body7, label %for.inc28 122 123for.inc28: ; preds = %for.inc25 124 %add16.lcssa.lcssa = phi double [ %add16.lcssa, %for.inc25 ] 125 %indvars.iv.next16 = add nuw nsw i64 %indvars.iv15, 1 126 %exitcond17 = icmp ne i64 %indvars.iv.next16, 10000 127 br i1 %exitcond17, label %for.body, label %for.end30 128 129for.end30: ; preds = %for.inc28 130 ret void 131} 132