| ; RUN: opt -S %loadPolly -basic-aa -polly-dependences -analyze -polly-dependences-analysis-type=value-based < %s | FileCheck %s -check-prefix=VALUE |
| ; RUN: opt -S %loadPolly -basic-aa -polly-dependences -analyze -polly-dependences-analysis-type=memory-based < %s | FileCheck %s -check-prefix=MEMORY |
| ; RUN: opt -S %loadPolly -basic-aa -polly-dependences -analyze -polly-dependences-analysis-type=value-based -polly-dependences-analysis-level=access-wise < %s | FileCheck %s -check-prefix=VALUE_ACCESS |
| |
| ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes': |
| ; VALUE-NEXT: RAW dependences: |
| ; VALUE-NEXT: { } |
| ; VALUE-NEXT: WAR dependences: |
| ; VALUE-NEXT: { } |
| ; VALUE-NEXT: WAW dependences: |
| ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 } |
| ; |
| ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes': |
| ;VALUE_ACCESS-NEXT: RAW dependences: |
| ;VALUE_ACCESS-NEXT: { } |
| ;VALUE_ACCESS-NEXT: WAR dependences: |
| ;VALUE_ACCESS-NEXT: { } |
| ;VALUE_ACCESS-NEXT: WAW dependences: |
| ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 10 <= i0 <= 99 } |
| |
| ; |
| ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes': |
| ; VALUE-NEXT: RAW dependences: |
| ; VALUE-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 } |
| ; VALUE-NEXT: WAR dependences: |
| ; VALUE-NEXT: { } |
| ; VALUE-NEXT: WAW dependences: |
| ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9 } |
| ; |
| ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes': |
| ;VALUE_ACCESS-NEXT: RAW dependences: |
| ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0[]] : 10 <= i0 <= 99 } |
| |
| ;VALUE_ACCESS-NEXT: WAR dependences: |
| ;VALUE_ACCESS-NEXT: { } |
| ;VALUE_ACCESS-NEXT: WAW dependences: |
| ;VALUE_ACCESS-NEXT: { [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9 } |
| ; |
| ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read': |
| ; VALUE-NEXT: RAW dependences: |
| ; VALUE-NEXT: { } |
| ; VALUE-NEXT: WAR dependences: |
| ; VALUE-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 } |
| ; VALUE-NEXT: WAW dependences: |
| ; VALUE-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 } |
| ; |
| ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read': |
| ;VALUE_ACCESS-NEXT: RAW dependences: |
| ;VALUE_ACCESS-NEXT: { } |
| ;VALUE_ACCESS-NEXT: WAR dependences: |
| ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99; [Stmt_S1[i0] -> Stmt_S1_Read0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Read0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 10 <= i0 <= 99 } |
| ;VALUE_ACCESS-NEXT: WAW dependences: |
| ;VALUE_ACCESS-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 0 <= i0 <= 9 } |
| ; |
| ; VALUE-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset': |
| ; VALUE-NEXT: RAW dependences: |
| ; VALUE-NEXT: [p] -> { Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p } |
| ; VALUE-NEXT: WAR dependences: |
| ; VALUE-NEXT: [p] -> { } |
| ; VALUE-NEXT: WAW dependences: |
| ; VALUE-NEXT: [p] -> { } |
| ; |
| ;VALUE_ACCESS-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset': |
| ;VALUE_ACCESS-NEXT: RAW dependences: |
| ;VALUE_ACCESS-NEXT: [p] -> { Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[-p + i0] -> Stmt_S2_Read0[]] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p } |
| ;VALUE_ACCESS-NEXT: WAR dependences: |
| ;VALUE_ACCESS-NEXT: [p] -> { } |
| ;VALUE_ACCESS-NEXT: WAW dependences: |
| ;VALUE_ACCESS-NEXT: [p] -> { } |
| |
| ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'sequential_writes': |
| ; MEMORY-NEXT: RAW dependences: |
| ; MEMORY-NEXT: { } |
| ; MEMORY-NEXT: WAR dependences: |
| ; MEMORY-NEXT: { } |
| ; MEMORY-NEXT: WAW dependences: |
| ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 } |
| ; |
| ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'read_after_writes': |
| ; MEMORY-NEXT: RAW dependences: |
| ; MEMORY-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 } |
| ; MEMORY-NEXT: WAR dependences: |
| ; MEMORY-NEXT: { } |
| ; MEMORY-NEXT: WAW dependences: |
| ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9 } |
| ; |
| ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.3' in function 'write_after_read': |
| ; MEMORY-NEXT: RAW dependences: |
| ; MEMORY-NEXT: { } |
| ; MEMORY-NEXT: WAR dependences: |
| ; MEMORY-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 } |
| ; MEMORY-NEXT: WAW dependences: |
| ; MEMORY-NEXT: { Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9 } |
| ; |
| ; MEMORY-LABEL: Printing analysis 'Polly - Calculate dependences' for region: 'S1 => exit.2' in function 'parametric_offset': |
| ; MEMORY-NEXT: RAW dependences: |
| ; MEMORY-NEXT: [p] -> { Stmt_S1[i0] -> Stmt_S2[-p + i0] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p } |
| ; MEMORY-NEXT: WAR dependences: |
| ; MEMORY-NEXT: [p] -> { } |
| ; MEMORY-NEXT: WAW dependences: |
| ; MEMORY-NEXT: [p] -> { } |
| |
| 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 < 100; i++ ) |
| ; S1: A[i] = 2; |
| ; |
| ; for (i = 0; i < 10; i++ ) |
| ; S2: A[i] = 5; |
| ; |
| ; for (i = 0; i < 200; i++ ) |
| ; S3: A[i] = 5; |
| |
| define void @sequential_writes() { |
| entry: |
| %A = alloca [200 x i32] |
| br label %S1 |
| |
| S1: |
| %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ] |
| %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1 |
| store i32 2, i32* %arrayidx.1 |
| %indvar.next.1 = add i64 %indvar.1, 1 |
| %exitcond.1 = icmp ne i64 %indvar.next.1, 100 |
| br i1 %exitcond.1, label %S1, label %exit.1 |
| |
| exit.1: |
| br label %S2 |
| |
| S2: |
| %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ] |
| %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2 |
| store i32 5, i32* %arrayidx.2 |
| %indvar.next.2 = add i64 %indvar.2, 1 |
| %exitcond.2 = icmp ne i64 %indvar.next.2, 10 |
| br i1 %exitcond.2, label %S2, label %exit.2 |
| |
| exit.2: |
| br label %S3 |
| |
| S3: |
| %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ] |
| %arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3 |
| store i32 7, i32* %arrayidx.3 |
| %indvar.next.3 = add i64 %indvar.3, 1 |
| %exitcond.3 = icmp ne i64 %indvar.next.3, 200 |
| br i1 %exitcond.3, label %S3 , label %exit.3 |
| |
| exit.3: |
| ret void |
| } |
| |
| |
| ; for(i = 0; i < 100; i++ ) |
| ; S1: A[i] = 2; |
| ; |
| ; for (i = 0; i < 10; i++ ) |
| ; S2: A[i] = 5; |
| ; |
| ; for (i = 0; i < 200; i++ ) |
| ; S3: B[i] = A[i]; |
| |
| define void @read_after_writes() { |
| entry: |
| %A = alloca [200 x i32] |
| %B = alloca [200 x i32] |
| br label %S1 |
| |
| S1: |
| %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ] |
| %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1 |
| store i32 2, i32* %arrayidx.1 |
| %indvar.next.1 = add i64 %indvar.1, 1 |
| %exitcond.1 = icmp ne i64 %indvar.next.1, 100 |
| br i1 %exitcond.1, label %S1, label %exit.1 |
| |
| exit.1: |
| br label %S2 |
| |
| S2: |
| %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ] |
| %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2 |
| store i32 5, i32* %arrayidx.2 |
| %indvar.next.2 = add i64 %indvar.2, 1 |
| %exitcond.2 = icmp ne i64 %indvar.next.2, 10 |
| br i1 %exitcond.2, label %S2, label %exit.2 |
| |
| exit.2: |
| br label %S3 |
| |
| S3: |
| %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ] |
| %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 |
| %val = load i32, i32* %arrayidx.3.a |
| store i32 %val, i32* %arrayidx.3.b |
| %indvar.next.3 = add i64 %indvar.3, 1 |
| %exitcond.3 = icmp ne i64 %indvar.next.3, 200 |
| br i1 %exitcond.3, label %S3 , label %exit.3 |
| |
| exit.3: |
| ret void |
| } |
| |
| |
| ; for(i = 0; i < 100; i++ ) |
| ; S1: B[i] = A[i]; |
| ; |
| ; for (i = 0; i < 10; i++ ) |
| ; S2: A[i] = 5; |
| ; |
| ; for (i = 0; i < 200; i++ ) |
| ; S3: A[i] = 10; |
| |
| define void @write_after_read() { |
| entry: |
| %A = alloca [200 x i32] |
| %B = alloca [200 x i32] |
| br label %S1 |
| |
| S1: |
| %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ] |
| %arrayidx.1.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1 |
| %arrayidx.1.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.1 |
| %val = load i32, i32* %arrayidx.1.a |
| store i32 %val, i32* %arrayidx.1.b |
| %indvar.next.1 = add i64 %indvar.1, 1 |
| %exitcond.1 = icmp ne i64 %indvar.next.1, 100 |
| br i1 %exitcond.1, label %S1, label %exit.1 |
| |
| exit.1: |
| br label %S2 |
| |
| S2: |
| %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ] |
| %arrayidx.2 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.2 |
| store i32 5, i32* %arrayidx.2 |
| %indvar.next.2 = add i64 %indvar.2, 1 |
| %exitcond.2 = icmp ne i64 %indvar.next.2, 10 |
| br i1 %exitcond.2, label %S2, label %exit.2 |
| |
| exit.2: |
| br label %S3 |
| |
| S3: |
| %indvar.3 = phi i64 [ 0, %exit.2 ], [ %indvar.next.3, %S3 ] |
| %arrayidx.3 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.3 |
| store i32 10, i32* %arrayidx.3 |
| %indvar.next.3 = add i64 %indvar.3, 1 |
| %exitcond.3 = icmp ne i64 %indvar.next.3, 200 |
| br i1 %exitcond.3, label %S3 , label %exit.3 |
| |
| exit.3: |
| ret void |
| } |
| |
| |
| ; for(i = 0; i < 100; i++ ) |
| ; S1: A[i] = 10 |
| ; |
| ; for(i = 0; i < 100; i++ ) |
| ; S2: B[i] = A[i + p]; |
| |
| define void @parametric_offset(i64 %p) { |
| entry: |
| %A = alloca [200 x i32] |
| %B = alloca [200 x i32] |
| br label %S1 |
| |
| S1: |
| %indvar.1 = phi i64 [ 0, %entry ], [ %indvar.next.1, %S1 ] |
| %arrayidx.1 = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %indvar.1 |
| store i32 10, i32* %arrayidx.1 |
| %indvar.next.1 = add i64 %indvar.1, 1 |
| %exitcond.1 = icmp ne i64 %indvar.next.1, 100 |
| br i1 %exitcond.1, label %S1, label %exit.1 |
| |
| exit.1: |
| br label %S2 |
| |
| S2: |
| %indvar.2 = phi i64 [ 0, %exit.1 ], [ %indvar.next.2, %S2 ] |
| %sum = add i64 %indvar.2, %p |
| %arrayidx.2.a = getelementptr [200 x i32], [200 x i32]* %A, i64 0, i64 %sum |
| %arrayidx.2.b = getelementptr [200 x i32], [200 x i32]* %B, i64 0, i64 %indvar.2 |
| %val = load i32, i32* %arrayidx.2.a |
| store i32 %val, i32* %arrayidx.2.b |
| %indvar.next.2 = add i64 %indvar.2, 1 |
| %exitcond.2 = icmp ne i64 %indvar.next.2, 10 |
| br i1 %exitcond.2, label %S2, label %exit.2 |
| |
| exit.2: |
| ret void |
| } |
| |