; RUN: opt -S %loadPolly -basicaa -polly-dependences-analysis-type=value-based -polly-ast -analyze < %s | FileCheck %s ; RUN: opt -S %loadPolly -basicaa -polly-dependences-analysis-type=value-based -polly-dce -polly-ast -analyze < %s | FileCheck %s -check-prefix=CHECK-DCE target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-pc-linux-gnu" ; ; for(i = 0; i < 200; i++ ) ; A[i] = 2; ; ; for (i = 0; i < 200; i++ ) ; B[i] = A[i]; ; ; for (i = 0; i < 200; i++ ) ; B[i] = A[i] = 5; define void @main() nounwind uwtable { entry: %A = alloca [200 x i32], align 16 %B = alloca [200 x i32], align 16 br label %for.body.1 for.body.1: %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %for.body.1 ] %arrayidx.1 = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.1 store i32 2, i32* %arrayidx.1, align 4 %indvar.next.1 = add i64 %indvar.1, 1 %exitcond.1 = icmp ne i64 %indvar.next.1, 200 br i1 %exitcond.1, label %for.body.1, label %exit.1 exit.1: br label %for.body.2 for.body.2: %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %for.body.2 ] %arrayidx.2.a = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.2 %val = load i32* %arrayidx.2.a, align 4 %arrayidx.2.b = getelementptr [200 x i32]* %B, i64 0, i64 %indvar.2 store i32 %val, i32* %arrayidx.2.b, align 4 %indvar.next.2 = add i64 %indvar.2, 1 %exitcond.2 = icmp ne i64 %indvar.next.2, 200 br i1 %exitcond.2, label %for.body.2, label %exit.2 exit.2: br label %for.body.3 for.body.3: %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %for.body.3 ] %arrayidx.3.a = getelementptr [200 x i32]* %A, i64 0, i64 %indvar.3 %arrayidx.3.b = getelementptr [200 x i32]* %B, i64 0, i64 %indvar.3 store i32 5, i32* %arrayidx.3.a, align 4 store i32 5, i32* %arrayidx.3.b, align 4 %indvar.next.3 = add i64 %indvar.3, 1 %exitcond.3 = icmp ne i64 %indvar.next.3, 200 br i1 %exitcond.3, label %for.body.3 , label %exit.3 exit.3: ret void } ; CHECK: for (int c1 = 0; c1 <= 199; c1 += 1) ; CHECK: Stmt_for_body_1(c1); ; CHECK: for (int c1 = 0; c1 <= 199; c1 += 1) ; CHECK: Stmt_for_body_2(c1); ; CHECK: for (int c1 = 0; c1 <= 199; c1 += 1) ; CHECK: Stmt_for_body_3(c1); ; CHECK-DCE: for (int c1 = 0; c1 <= 199; c1 += 1) ; CHECK-DCE: Stmt_for_body_3(c1);