1; RUN: opt %loadNPMPolly '-passes=polly-import-jscop,print<polly-simplify>' -polly-import-jscop-postfix=transformed -disable-output < %s | FileCheck %s 2; 3; llvm.org/PR33323 4; 5; Do not remove the pair (store double %add119, read %add119) as redundant 6; because the are in the wrong order. 7 8target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 9 10define fastcc void @pr33323(ptr nocapture %data, ptr nocapture %symmat) { 11entry: 12 br label %for.body98 13 14for.cond87.loopexit: 15 ret void 16 17for.body98: 18 %indvars.iv13 = phi i64 [ 1, %entry ], [ %indvars.iv.next14, %for.end122 ] 19 br label %for.body105 20 21for.body105: 22 %indvars.iv = phi i64 [ 0, %for.body98 ], [ %indvars.iv.next, %for.body105 ] 23 %arrayidx109 = getelementptr inbounds [1000 x double], ptr %data, i64 %indvars.iv, i64 0 24 %add119 = fadd double undef, undef 25 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 26 %exitcond = icmp eq i64 %indvars.iv.next, 1000 27 br i1 %exitcond, label %for.end122, label %for.body105 28 29for.end122: 30 %arrayidx130 = getelementptr inbounds [1000 x double], ptr %symmat, i64 %indvars.iv13, i64 0 31 store double %add119, ptr %arrayidx130 32 %indvars.iv.next14 = add nuw nsw i64 %indvars.iv13, 1 33 %exitcond15 = icmp eq i64 %indvars.iv.next14, 1000 34 br i1 %exitcond15, label %for.cond87.loopexit, label %for.body98 35} 36 37 38; CHECK: Statistics { 39; CHECK: Redundant writes removed: 1 40; CHECK: Stmts removed: 1 41; CHECK: } 42 43; CHECK: After accesses { 44; CHECK-NEXT: Stmt_for_body105 45; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] 46; CHECK-NEXT: { Stmt_for_body105[i0, i1] -> MemRef_add119[] }; 47; CHECK-NEXT: new: { Stmt_for_body105[i0, i1] -> MemRef_symmat[1 + i0, 0] }; 48; CHECK-NEXT: } 49