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| ; 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"
;
; 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], [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], [200 x i32]* %A, i64 0, i64 %indvar.2
%val = load i32, i32* %arrayidx.2.a, align 4
%arrayidx.2.b = getelementptr [200 x i32], [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], [200 x i32]* %A, i64 0, i64 %indvar.3
%arrayidx.3.b = getelementptr [200 x i32], [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 c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_1(c0);
; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_2(c0);
; CHECK: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK: Stmt_for_body_3(c0);
; CHECK-DCE: for (int c0 = 0; c0 <= 199; c0 += 1)
; CHECK-DCE: Stmt_for_body_3(c0);
|