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| ; 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
}
|