1; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s --check-prefix=SCOPES 2; 3; Check that we create alias scopes that indicate the accesses to A, B and C cannot alias in any way. 4; 5; SCOPES-LABEL: polly.stmt.for.body: 6; SCOPES: %[[BIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} ptr %B, i64 %{{.*}} 7; SCOPES: load i32, ptr %[[BIdx]], align 4, !alias.scope !2, !noalias !5 8; SCOPES: %[[CIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} ptr %C, i64 %{{.*}} 9; SCOPES: load float, ptr %[[CIdx]], align 4, !alias.scope !8, !noalias !9 10; SCOPES: %[[AIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} ptr %A, i64 %{{.*}} 11; SCOPES: store i32 %{{[._a-zA-Z0-9]*}}, ptr %[[AIdx]], align 4, !alias.scope !10, !noalias !11 12; 13; SCOPES: !0 = distinct !{!0, !1} 14; SCOPES: !1 = !{!"llvm.loop.vectorize.enable", i32 0} 15; SCOPES: !2 = !{!3} 16; SCOPES: !3 = distinct !{!3, !4, !"polly.alias.scope.MemRef_B"} 17; SCOPES: !4 = distinct !{!4, !"polly.alias.scope.domain"} 18; SCOPES: !5 = !{!6, !7} 19; SCOPES: !6 = distinct !{!6, !4, !"polly.alias.scope.MemRef_C"} 20; SCOPES: !7 = distinct !{!7, !4, !"polly.alias.scope.MemRef_A"} 21; SCOPES: !8 = !{!6} 22; SCOPES: !9 = !{!3, !7} 23; SCOPES: !10 = !{!7} 24; SCOPES: !11 = !{!3, !6} 25; 26; void jd(int *A, int *B, float *C) { 27; for (int i = 0; i < 1024; i++) 28; A[i] = B[i] + C[i]; 29; } 30; 31target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 32 33define void @jd(ptr %A, ptr %B, ptr %C) { 34entry: 35 br label %for.cond 36 37for.cond: ; preds = %for.inc, %entry 38 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 39 %exitcond = icmp ne i64 %indvars.iv, 1024 40 br i1 %exitcond, label %for.body, label %for.end 41 42for.body: ; preds = %for.cond 43 %arrayidx = getelementptr inbounds i32, ptr %B, i64 %indvars.iv 44 %tmp = load i32, ptr %arrayidx, align 4 45 %conv = sitofp i32 %tmp to float 46 %arrayidx2 = getelementptr inbounds float, ptr %C, i64 %indvars.iv 47 %tmp1 = load float, ptr %arrayidx2, align 4 48 %add = fadd fast float %conv, %tmp1 49 %conv3 = fptosi float %add to i32 50 %arrayidx5 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv 51 store i32 %conv3, ptr %arrayidx5, align 4 52 br label %for.inc 53 54for.inc: ; preds = %for.body 55 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 56 br label %for.cond 57 58for.end: ; preds = %for.cond 59 ret void 60} 61