; RUN: opt %loadPolly -polly-codegen -S < %s | FileCheck %s --check-prefix=SCOPES ; ; Check that we create alias scopes that indicate the accesses to A, B and C cannot alias in any way. ; ; SCOPES-LABEL: polly.stmt.for.body: ; SCOPES: %[[BIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} i32* %B, i64 %polly.indvar ; SCOPES: load i32, i32* %[[BIdx]], align 4, !alias.scope ![[AliasScopeB:[0-9]*]], !noalias ![[NoAliasB:[0-9]*]] ; SCOPES: %[[CIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} float* %C, i64 %polly.indvar ; SCOPES: load float, float* %[[CIdx]], align 4, !alias.scope ![[AliasScopeC:[0-9]*]], !noalias ![[NoAliasC:[0-9]*]] ; SCOPES: %[[AIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} i32* %A, i64 %polly.indvar ; SCOPES: store i32 %{{[._a-zA-Z0-9]*}}, i32* %[[AIdx]], align 4, !alias.scope ![[AliasScopeA:[0-9]*]], !noalias ![[NoAliasA:[0-9]*]] ; ; SCOPES: ![[AliasScopeB]] = distinct !{![[AliasScopeB]], !{{[0-9]*}}, !"polly.alias.scope.MemRef_B"} ; SCOPES: ![[NoAliasB]] = !{ ; SCOPES-DAG: ![[AliasScopeA]] ; SCOPES-DAG: ![[AliasScopeC]] ; SCOPES: } ; SCOPES-DAG: ![[AliasScopeA]] = distinct !{![[AliasScopeA]], !{{[0-9]*}}, !"polly.alias.scope.MemRef_A"} ; SCOPES-DAG: ![[AliasScopeC]] = distinct !{![[AliasScopeC]], !{{[0-9]*}}, !"polly.alias.scope.MemRef_C"} ; SCOPES: ![[NoAliasC]] = !{ ; SCOPES-DAG: ![[AliasScopeA]] ; SCOPES-DAG: ![[AliasScopeB]] ; SCOPES: } ; SCOPES: ![[NoAliasA]] = !{ ; SCOPES-DAG: ![[AliasScopeB]] ; SCOPES-DAG: ![[AliasScopeC]] ; SCOPES: } ; ; void jd(int *A, int *B, float *C) { ; for (int i = 0; i < 1024; i++) ; A[i] = B[i] + C[i]; ; } ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @jd(i32* %A, i32* %B, float* %C) { entry: br label %for.cond for.cond: ; preds = %for.inc, %entry %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ] %exitcond = icmp ne i64 %indvars.iv, 1024 br i1 %exitcond, label %for.body, label %for.end for.body: ; preds = %for.cond %arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv %tmp = load i32, i32* %arrayidx, align 4 %conv = sitofp i32 %tmp to float %arrayidx2 = getelementptr inbounds float, float* %C, i64 %indvars.iv %tmp1 = load float, float* %arrayidx2, align 4 %add = fadd fast float %conv, %tmp1 %conv3 = fptosi float %add to i32 %arrayidx5 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv store i32 %conv3, i32* %arrayidx5, align 4 br label %for.inc for.inc: ; preds = %for.body %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %for.cond for.end: ; preds = %for.cond ret void }