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| ; RUN: opt %loadPolly -polly-allow-nonaffine -S < %s | FileCheck %s --check-prefix=CODE
; RUN: opt %loadPolly -polly-allow-nonaffine -polly-scops -analyze < %s | FileCheck %s
;
; Verify there is a phi in the non-affine region but it is not represented in
; the SCoP as all operands as well as the uses are inside the region too.
;
; void f(int *A) {
; for (int i = 0; i < 1024; i++) {
; if (A[i]) {
; int x = 0;
; if (i > 512)
; x = 1 + A[i];
; A[i] = x;
; }
; }
; }
;
; CODE-LABEL: bb11:
; CODE: %x.0 = phi i32
;
; We have 3 accesses to A that should be present in the SCoP but no scalar access.
;
; CHECK-NOT: [Scalar: 1]
; CHECK: [Scalar: 0]
; CHECK-NOT: [Scalar: 1]
; CHECK: [Scalar: 0]
; CHECK-NOT: [Scalar: 1]
; CHECK: [Scalar: 0]
; CHECK-NOT: [Scalar: 1]
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @f(i32* %A) {
bb:
br label %bb1
bb1: ; preds = %bb14, %bb
%indvars.iv = phi i64 [ %indvars.iv.next, %bb14 ], [ 0, %bb ]
%exitcond = icmp ne i64 %indvars.iv, 1024
br i1 %exitcond, label %bb2, label %bb15
bb2: ; preds = %bb1
%tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp3 = load i32, i32* %tmp, align 4
%tmp4 = icmp eq i32 %tmp3, 0
br i1 %tmp4, label %bb13, label %bb5
bb5: ; preds = %bb2
%tmp6 = icmp sgt i64 %indvars.iv, 512
br i1 %tmp6, label %bb7, label %bb11
bb7: ; preds = %bb5
%tmp8 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
%tmp9 = load i32, i32* %tmp8, align 4
%tmp10 = add nsw i32 %tmp9, 1
br label %bb11
bb11: ; preds = %bb7, %bb5
%x.0 = phi i32 [ %tmp10, %bb7 ], [ 0, %bb5 ]
%tmp12 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
store i32 %x.0, i32* %tmp12, align 4
br label %bb13
bb13: ; preds = %bb2, %bb11
br label %bb14
bb14: ; preds = %bb13
%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
br label %bb1
bb15: ; preds = %bb1
ret void
}
|