1 ; RUN: opt -S %loadPolly -polly-detect-unprofitable -basicaa -polly-dependences-analysis-type=value-based -polly-dce -polly-ast -analyze -polly-no-early-exit < %s | FileCheck %s -check-prefix=CHECK-DCE
2 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"
3 target triple = "x86_64-pc-linux-gnu"
6 ; for(i = 0; i < 100; i++ )
9 ; for (i = 0; i < 200; i++ )
12 define void @main() nounwind uwtable {
15 %A = alloca [200 x i32], align 16
16 %B = alloca [200 x i32], align 16
18 %A.zero = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 0
19 store i32 1, i32* %A.zero, align 4
24 %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %for.body.1 ]
25 %indvar.next.1 = add i64 %indvar.1, 1
27 %A.current.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1
28 %val1.1 = load i32* %A.current.1, align 4
29 %val2.1 = mul i32 %val1.1, 2
30 %A.next.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.next.1
31 store i32 %val2.1, i32* %A.next.1, align 4
33 %exitcond.1 = icmp ne i64 %indvar.next.1, 100
34 br i1 %exitcond.1, label %for.body.1, label %exit.1
40 %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %for.body.2 ]
42 %B.current.2 = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.2
43 %val1.2 = load i32* %B.current.2, align 4
44 %val2.2 = mul i32 %val1.2, 2
45 %A.current.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2
46 store i32 %val2.2, i32* %A.current.2, align 4
48 %indvar.next.2 = add i64 %indvar.2, 1
49 %exitcond.2 = icmp ne i64 %indvar.next.2, 200
50 br i1 %exitcond.2, label %for.body.2, label %exit.3
56 ; CHECK-DCE: for (int c1 = 0; c1 <= 199; c1 += 1)
57 ; CHECK-DCE: Stmt_for_body_2(c1);