forked from OSchip/llvm-project
43 lines
1.3 KiB
LLVM
43 lines
1.3 KiB
LLVM
; RUN: opt %loadPolly -polly-process-unprofitable -polly-scops -analyze < %s | FileCheck %s
|
|
;
|
|
; CHECK: Invariant Accesses:
|
|
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
|
|
; CHECK-NEXT: { Stmt_bb2[i0] -> MemRef_B[0] };
|
|
; CHECK-NOT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
|
|
; CHECK-NOT: { Stmt_bb2[i0] -> MemRef_tmp[] };
|
|
;
|
|
; void f(int *restrict A, int *restrict B) {
|
|
; for (int i = 0; i < 1024; i++)
|
|
; auto tmp = *B;
|
|
; // Split BB
|
|
; A[i] = tmp;
|
|
; }
|
|
;
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define void @f(i32* noalias %A, i32* noalias %B) {
|
|
bb:
|
|
br label %bb1
|
|
|
|
bb1: ; preds = %bb4, %bb
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %bb4 ], [ 0, %bb ]
|
|
%exitcond = icmp ne i64 %indvars.iv, 1024
|
|
br i1 %exitcond, label %bb2, label %bb5
|
|
|
|
bb2: ; preds = %bb1
|
|
%tmp = load i32, i32* %B, align 4
|
|
br label %bb2b
|
|
|
|
bb2b:
|
|
%tmp3 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
|
|
store i32 %tmp, i32* %tmp3, align 4
|
|
br label %bb4
|
|
|
|
bb4: ; preds = %bb2
|
|
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
|
|
br label %bb1
|
|
|
|
bb5: ; preds = %bb1
|
|
ret void
|
|
}
|