| ; RUN: opt %loadNPMPolly -passes=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{{.*}} ptr %B, i64 %{{.*}} |
| ; SCOPES: load i32, ptr %[[BIdx]], align 4, !alias.scope !2, !noalias !5 |
| ; SCOPES: %[[CIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} ptr %C, i64 %{{.*}} |
| ; SCOPES: load float, ptr %[[CIdx]], align 4, !alias.scope !8, !noalias !9 |
| ; SCOPES: %[[AIdx:[._a-zA-Z0-9]*]] = getelementptr{{.*}} ptr %A, i64 %{{.*}} |
| ; SCOPES: store i32 %{{[._a-zA-Z0-9]*}}, ptr %[[AIdx]], align 4, !alias.scope !10, !noalias !11 |
| ; |
| ; SCOPES: !0 = distinct !{!0, !1} |
| ; SCOPES: !1 = !{!"llvm.loop.vectorize.enable", i32 0} |
| ; SCOPES: !2 = !{!3} |
| ; SCOPES: !3 = distinct !{!3, !4, !"polly.alias.scope.MemRef_B"} |
| ; SCOPES: !4 = distinct !{!4, !"polly.alias.scope.domain"} |
| ; SCOPES: !5 = !{!6, !7} |
| ; SCOPES: !6 = distinct !{!6, !4, !"polly.alias.scope.MemRef_C"} |
| ; SCOPES: !7 = distinct !{!7, !4, !"polly.alias.scope.MemRef_A"} |
| ; SCOPES: !8 = !{!6} |
| ; SCOPES: !9 = !{!3, !7} |
| ; SCOPES: !10 = !{!7} |
| ; SCOPES: !11 = !{!3, !6} |
| ; |
| ; 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(ptr %A, ptr %B, ptr %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, ptr %B, i64 %indvars.iv |
| %tmp = load i32, ptr %arrayidx, align 4 |
| %conv = sitofp i32 %tmp to float |
| %arrayidx2 = getelementptr inbounds float, ptr %C, i64 %indvars.iv |
| %tmp1 = load float, ptr %arrayidx2, align 4 |
| %add = fadd fast float %conv, %tmp1 |
| %conv3 = fptosi float %add to i32 |
| %arrayidx5 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv |
| store i32 %conv3, ptr %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 |
| } |