; 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_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 } ; ;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_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Write0[]] : 10 <= i0 <= 99; Stmt_S1[i0] -> Stmt_S3[i0] : 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_S1_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0[]] : 10 <= i0 <= 99; [Stmt_S2[i0] -> Stmt_S2_Write0[]] -> [Stmt_S3[i0] -> Stmt_S3_Read0[]] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 10 <= i0 <= 99 } ;VALUE_ACCESS-NEXT: WAR dependences: ;VALUE_ACCESS-NEXT: { } ;VALUE_ACCESS-NEXT: WAW dependences: ;VALUE_ACCESS-NEXT: { Stmt_S1[i0] -> Stmt_S2[i0] : 0 <= i0 <= 9; [Stmt_S1[i0] -> Stmt_S1_Write0[]] -> [Stmt_S2[i0] -> Stmt_S2_Write0[]] : 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_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; Stmt_S1[i0] -> Stmt_S3[i0] : 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_S1_Write0[]] -> [Stmt_S2[-p + i0] -> Stmt_S2_Read0[]] : i0 >= p and 0 <= i0 <= 99 and i0 <= 9 + p; Stmt_S1[i0] -> Stmt_S2[-p + i0] : 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_S2[i0] : 0 <= i0 <= 9; Stmt_S2[i0] -> Stmt_S3[i0] : 0 <= i0 <= 9; Stmt_S1[i0] -> Stmt_S3[i0] : 0 <= i0 <= 99 } ; ; 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 }