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| ; RUN: opt %loadPolly -basicaa -polly-scops -analyze \
; RUN: -polly-invariant-load-hoisting=true < %s | FileCheck %s
; void f(long A[], int N, int *init_ptr) {
; long i, j;
;
; for (i = 0; i < N; ++i) {
; init = *init_ptr;
; for (i = 0; i < N; ++i) {
; A[i] = init + 2;
; }
; }
; }
; CHECK-LABEL: Function: f
;
; CHECK: Statements {
; CHECK-NEXT: Stmt_for_j
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] : 0 <= i0 < N and 0 <= i1 < N };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> [i0, i1] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_init[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_A[i1] };
; CHECK-NEXT: }
;
; CHECK-LABEL: Function: g
;
; CHECK: Statements {
; CHECK-NEXT: Stmt_for_j
; CHECK-NEXT: Domain :=
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] : 0 <= i0 < N and 0 <= i1 < N };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> [i0, i1] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_A[i1] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [N] -> { Stmt_for_j[i0, i1] -> MemRef_init[] };
; CHECK-NEXT: }
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
define void @f(i64* noalias %A, i64 %N, i64* noalias %init_ptr) nounwind {
entry:
br label %for.i
for.i:
%indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ]
%indvar.i.next = add nsw i64 %indvar.i, 1
br label %entry.next
entry.next:
%init = load i64, i64* %init_ptr
br label %for.j
for.j:
%indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ]
%init_plus_two = add i64 %init, 2
%scevgep = getelementptr i64, i64* %A, i64 %indvar.j
store i64 %init_plus_two, i64* %scevgep
%indvar.j.next = add nsw i64 %indvar.j, 1
%exitcond.j = icmp eq i64 %indvar.j.next, %N
br i1 %exitcond.j, label %for.i.end, label %for.j
for.i.end:
%exitcond.i = icmp eq i64 %indvar.i.next, %N
br i1 %exitcond.i, label %return, label %for.i
return:
ret void
}
define void @g(i64* noalias %A, i64 %N, i64* noalias %init_ptr) nounwind {
entry:
br label %for.i
for.i:
%indvar.i = phi i64 [ 0, %entry ], [ %indvar.i.next, %for.i.end ]
%indvar.i.next = add nsw i64 %indvar.i, 1
br label %entry.next
entry.next:
%init = load i64, i64* %init_ptr
br label %for.j
for.j:
%indvar.j = phi i64 [ 0, %entry.next ], [ %indvar.j.next, %for.j ]
%scevgep = getelementptr i64, i64* %A, i64 %indvar.j
store i64 %init, i64* %scevgep
%indvar.j.next = add nsw i64 %indvar.j, 1
%exitcond.j = icmp eq i64 %indvar.j.next, %N
br i1 %exitcond.j, label %for.i.end, label %for.j
for.i.end:
%exitcond.i = icmp eq i64 %indvar.i.next, %N
br i1 %exitcond.i, label %return, label %for.i
return:
ret void
}
|