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; RUN: opt %loadPolly -analyze -polly-scops \
; RUN: < %s | FileCheck %s
;
; float foo(float sum, float A[]) {
;
; for (long i = 0; i < 100; i++)
; sum += A[i];
;
; return sum;
; }
; CHECK: Statements {
; CHECK-NEXT: Stmt_next
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_next[] };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_next[] -> [0, 0] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_next[] -> MemRef_sum[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_next[] -> MemRef_phisum__phi[] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_next[] -> MemRef_phisummerge[] };
; CHECK-NEXT: Stmt_bb1
; CHECK-NEXT: Domain :=
; CHECK-NEXT: { Stmt_bb1[i0] : 0 <= i0 <= 100 };
; CHECK-NEXT: Schedule :=
; CHECK-NEXT: { Stmt_bb1[i0] -> [1, i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisum__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisum__phi[] };
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_A[i0] };
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: { Stmt_bb1[i0] -> MemRef_phisummerge[] };
; CHECK-NEXT: }
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define float @foo(float %sum, float* %A) {
bb:
br label %next
next:
br i1 true, label %bb1, label %bb7
bb1:
%i = phi i64 [ 0, %next ], [ %i.next, %bb1 ]
%phisum = phi float [ %sum, %next ], [ %tmp5, %bb1 ]
%tmp = getelementptr inbounds float, float* %A, i64 %i
%tmp4 = load float, float* %tmp, align 4
%tmp5 = fadd float %phisum, %tmp4
%i.next = add nuw nsw i64 %i, 1
%exitcond = icmp ne i64 %i, 100
br i1 %exitcond, label %bb1, label %bb7
bb7:
%phisummerge = phi float [%phisum, %bb1], [0.0, %next]
ret float %phisummerge
}
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