; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s ; ; Verify that both scalars (x and y) are properly written in the non-affine ; region and read afterwards. ; ; void f(int *A, int b) { ; for (int i = 0; i < 1024; i++) { ; int x = 0, y = 0; ; if ((x = 1 + A[i])) ; y++; ; A[i] = x + y; ; } ; } ; CHECK-LABEL: Region: %bb1---%bb11 ; ; CHECK: Arrays { ; CHECK-NEXT: i32 MemRef_A[*]; // Element size 4 ; CHECK-NEXT: i32 MemRef_y__phi; // Element size 4 ; CHECK-NEXT: i32 MemRef_x; // Element size 4 ; CHECK-NEXT: } ; ; CHECK: Arrays (Bounds as pw_affs) { ; CHECK-NEXT: i32 MemRef_A[*]; // Element size 4 ; CHECK-NEXT: i32 MemRef_y__phi; // Element size 4 ; CHECK-NEXT: i32 MemRef_x; // Element size 4 ; CHECK-NEXT: } ; ; CHECK: Statements { ; CHECK-NEXT: Stmt_bb2__TO__bb7 ; CHECK-NEXT: Domain := ; CHECK-NEXT: { Stmt_bb2__TO__bb7[i0] : 0 <= i0 <= 1023 }; ; CHECK-NEXT: Schedule := ; CHECK-NEXT: { Stmt_bb2__TO__bb7[i0] -> [i0, 0] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: { Stmt_bb2__TO__bb7[i0] -> MemRef_A[i0] }; ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb2__TO__bb7[i0] -> MemRef_y__phi[] }; ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb2__TO__bb7[i0] -> MemRef_x[] }; ; CHECK-NEXT: Stmt_bb7 ; CHECK-NEXT: Domain := ; CHECK-NEXT: { Stmt_bb7[i0] : 0 <= i0 <= 1023 }; ; CHECK-NEXT: Schedule := ; CHECK-NEXT: { Stmt_bb7[i0] -> [i0, 1] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb7[i0] -> MemRef_y__phi[] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1] ; CHECK-NEXT: { Stmt_bb7[i0] -> MemRef_x[] }; ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: { Stmt_bb7[i0] -> MemRef_A[i0] }; ; CHECK-NEXT: } target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @f(i32* %A, i32 %b) { bb: br label %bb1 bb1: ; preds = %bb10, %bb %indvars.iv = phi i64 [ %indvars.iv.next, %bb10 ], [ 0, %bb ] %exitcond = icmp ne i64 %indvars.iv, 1024 br i1 %exitcond, label %bb2, label %bb11 bb2: ; preds = %bb1 %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv %x = load i32, i32* %tmp, align 4 %tmp4 = add nsw i32 %x, 1 %tmp5 = icmp eq i32 %tmp4, 0 br i1 %tmp5, label %bb7, label %bb6 bb6: ; preds = %bb2 br label %bb7 bb7: ; preds = %bb2, %bb6 %y = phi i32 [ 1, %bb6 ], [ 0, %bb2 ] %tmp4copy = add nsw i32 %x, 1 %tmp8 = add nsw i32 %tmp4copy, %y %tmp9 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv store i32 %tmp8, i32* %tmp9, align 4 br label %bb10 bb10: ; preds = %bb7 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 br label %bb1 bb11: ; preds = %bb1 ret void }