1; RUN: opt %loadPolly -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{{.*}} i32* %B, i64 %polly.indvar 7; SCOPES: load i32, i32* %[[BIdx]], align 4, !alias.scope !0, !noalias !3 8; SCOPES: %[[CIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} float* %C, i64 %polly.indvar 9; SCOPES: load float, float* %[[CIdx]], align 4, !alias.scope !6, !noalias !7 10; SCOPES: %[[AIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} i32* %A, i64 %polly.indvar 11; SCOPES: store i32 %{{[._a-zA-Z0-9]*}}, i32* %[[AIdx]], align 4, !alias.scope !8, !noalias !9 12; 13; SCOPES: !0 = !{!1} 14; SCOPES: !1 = distinct !{!1, !2, !"polly.alias.scope.MemRef_B"} 15; SCOPES: !2 = distinct !{!2, !"polly.alias.scope.domain"} 16; SCOPES: !3 = !{!4, !5} 17; SCOPES: !4 = distinct !{!4, !2, !"polly.alias.scope.MemRef_C"} 18; SCOPES: !5 = distinct !{!5, !2, !"polly.alias.scope.MemRef_A"} 19; SCOPES: !6 = !{!4} 20; SCOPES: !7 = !{!1, !5} 21; SCOPES: !8 = !{!5} 22; SCOPES: !9 = !{!1, !4} 23; 24; void jd(int *A, int *B, float *C) { 25; for (int i = 0; i < 1024; i++) 26; A[i] = B[i] + C[i]; 27; } 28; 29target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 30 31define void @jd(i32* %A, i32* %B, float* %C) { 32entry: 33 br label %for.cond 34 35for.cond: ; preds = %for.inc, %entry 36 %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] 37 %exitcond = icmp ne i64 %indvars.iv, 1024 38 br i1 %exitcond, label %for.body, label %for.end 39 40for.body: ; preds = %for.cond 41 %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv 42 %tmp = load i32, i32* %arrayidx, align 4 43 %conv = sitofp i32 %tmp to float 44 %arrayidx2 = getelementptr inbounds float, float* %C, i64 %indvars.iv 45 %tmp1 = load float, float* %arrayidx2, align 4 46 %add = fadd fast float %conv, %tmp1 47 %conv3 = fptosi float %add to i32 48 %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv 49 store i32 %conv3, i32* %arrayidx5, align 4 50 br label %for.inc 51 52for.inc: ; preds = %for.body 53 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 54 br label %for.cond 55 56for.end: ; preds = %for.cond 57 ret void 58} 59