blob: ada03e0663722f8c3a8c022f9dd648d854129e22 [file] [log] [blame]
; 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
}