; RUN: opt %loadPolly -polly-scops \ ; RUN: -analyze < %s | FileCheck %s ; ; void pos(float *A, long n) { ; for (long i = 0; i < 100; i++) ; A[n % 42] += 1; ; } ; ; ; void neg(float *A, long n) { ; for (long i = 0; i < 100; i++) ; A[n % (-42)] += 1; ; } ; CHECK: Statements { ; CHECK-NEXT: Stmt_bb2 ; CHECK-NEXT: Domain := ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] : 0 <= i0 <= 99 }; ; CHECK-NEXT: Schedule := ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> [i0] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> MemRef_A[o0] : (-n + o0) mod 42 = 0 and -41 <= o0 <= 41 and ((n < 0 and o0 <= 0) or (n >= 0 and o0 >= 0)) } ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> MemRef_A[o0] : (-n + o0) mod 42 = 0 and -41 <= o0 <= 41 and ((n < 0 and o0 <= 0) or (n >= 0 and o0 >= 0)) } ; CHECK-NEXT: } ; ; CHECK: Statements { ; CHECK-NEXT: Stmt_bb2 ; CHECK-NEXT: Domain := ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] : 0 <= i0 <= 99 }; ; CHECK-NEXT: Schedule := ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> [i0] }; ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> MemRef_A[o0] : (-n + o0) mod 42 = 0 and -41 <= o0 <= 41 and ((n > 0 and o0 >= 0) or (n <= 0 and o0 <= 0)) }; ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] ; CHECK-NEXT: [n] -> { Stmt_bb2[i0] -> MemRef_A[o0] : (-n + o0) mod 42 = 0 and -41 <= o0 <= 41 and ((n > 0 and o0 >= 0) or (n <= 0 and o0 <= 0)) }; ; CHECK-NEXT: } target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define void @pos(float* %A, i64 %n) { bb: br label %bb1 bb1: ; preds = %bb6, %bb %i.0 = phi i64 [ 0, %bb ], [ %tmp7, %bb6 ] %exitcond = icmp ne i64 %i.0, 100 br i1 %exitcond, label %bb2, label %bb8 bb2: ; preds = %bb1 %tmp = srem i64 %n, 42 %tmp3 = getelementptr inbounds float, float* %A, i64 %tmp %tmp4 = load float, float* %tmp3, align 4 %tmp5 = fadd float %tmp4, 1.000000e+00 store float %tmp5, float* %tmp3, align 4 br label %bb6 bb6: ; preds = %bb2 %tmp7 = add nsw i64 %i.0, 1 br label %bb1 bb8: ; preds = %bb1 ret void } define void @neg(float* %A, i64 %n) { bb: br label %bb1 bb1: ; preds = %bb6, %bb %i.0 = phi i64 [ 0, %bb ], [ %tmp7, %bb6 ] %exitcond = icmp ne i64 %i.0, 100 br i1 %exitcond, label %bb2, label %bb8 bb2: ; preds = %bb1 %tmp = srem i64 %n, -42 %tmp3 = getelementptr inbounds float, float* %A, i64 %tmp %tmp4 = load float, float* %tmp3, align 4 %tmp5 = fadd float %tmp4, 1.000000e+00 store float %tmp5, float* %tmp3, align 4 br label %bb6 bb6: ; preds = %bb2 %tmp7 = add nsw i64 %i.0, 1 br label %bb1 bb8: ; preds = %bb1 ret void }