1; RUN: opt %loadNPMPolly "-passes=scop(print<polly-mse>)" -disable-output < %s | FileCheck %s 2; RUN: opt %loadNPMPolly "-passes=scop(print<polly-mse>)" -pass-remarks-analysis="polly-mse" -disable-output < %s 2>&1 | FileCheck %s --check-prefix=MSE 3; 4; Verify that the accesses are correctly expanded for MemoryKind::PHI 5; tmp_04 is not expanded because it need copy-in. 6; 7; Original source code : 8; 9; #define Ni 10000 10; #define Nj 10000 11; 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 8 29; CHECK: double MemRef_tmp_11__phi_Stmt_for_inc_expanded[10000][10000]; // Element size 30; CHECK: double MemRef_add_lcssa__phi_Stmt_for_end_expanded[10000]; // Element size 8 31; CHECK: double MemRef_B_Stmt_for_end_expanded[10000]; // Element size 8 32; 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.split 50 51entry.split: ; preds = %entry 52 br label %for.body 53 54for.body: ; preds = %entry.split, %for.end 55 %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.inc 58 59for.inc: ; preds = %for.body, %for.inc 60 %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+00 63 %inc = add nuw nsw i32 %j1.02, 1 64 %exitcond = icmp ne i32 %inc, 10000 65 br i1 %exitcond, label %for.inc, label %for.end 66 67for.end: ; preds = %for.inc 68 %add.lcssa = phi double [ %add, %for.inc ] 69 %arrayidx = getelementptr inbounds double, ptr %B, i64 %indvars.iv 70 store double %add.lcssa, ptr %arrayidx, align 8 71 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 72 %exitcond5 = icmp ne i64 %indvars.iv.next, 10000 73 br i1 %exitcond5, label %for.body, label %for.end7 74 75for.end7: ; preds = %for.end 76 ret void 77} 78