1 ; RUN: opt %loadPolly -polly-optree -polly-codegen -analyze < %s | FileCheck %s -match-full-lines
3 define void @func1(i32 %n, double* noalias nonnull %A, double* noalias nonnull %B, double* noalias nonnull %C) {
8 %j = phi i32 [0, %entry], [%j.inc, %inc]
9 %j.cmp = icmp slt i32 %j, %n
10 br i1 %j.cmp, label %bodyA, label %exit
13 %A_idx = getelementptr inbounds double, double* %A, i32 %j
14 %val1 = load double, double* %A_idx
15 %val2 = fadd double %val1, %val1
19 %B_idx = getelementptr inbounds double, double* %B, i32 %j
20 store double %val1, double* %B_idx
21 %C_idx = getelementptr inbounds double, double* %C, i32 %j
22 store double %val2, double* %C_idx
26 %j.inc = add nuw nsw i32 %j, 1
38 ; CHECK: Instructions copied: 1
39 ; CHECK: Known loads forwarded: 3
40 ; CHECK: Operand trees forwarded: 2
41 ; CHECK: Statements with forwarded operand trees: 1
44 ; CHECK: After statements {
45 ; CHECK-NEXT: Stmt_bodyA
46 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
47 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_A[i0] };
48 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
49 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val1[] };
50 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
51 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val2[] };
52 ; CHECK-NEXT: Instructions {
53 ; CHECK-NEXT: %val1 = load double, double* %A_idx
54 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
56 ; CHECK-NEXT: Stmt_bodyB
57 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
59 ; CHECK-NEXT: new: [n] -> { Stmt_bodyB[i0] -> MemRef_A[i0] };
60 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
61 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_B[i0] };
62 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
63 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_C[i0] };
64 ; CHECK-NEXT: Instructions {
65 ; CHECK-NEXT: %val1 = load double, double* %A_idx
66 ; CHECK-NEXT: %val1 = load double, double* %A_idx
67 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
68 ; CHECK-NEXT: %val1 = load double, double* %A_idx
69 ; CHECK-NEXT: store double %val1, double* %B_idx
70 ; CHECK-NEXT: store double %val2, double* %C_idx
75 define void @func2(i32 %n, double* noalias nonnull %A, double* noalias nonnull %B, double* noalias nonnull %C) {
80 %j = phi i32 [0, %entry], [%j.inc, %inc]
81 %j.cmp = icmp slt i32 %j, %n
82 br i1 %j.cmp, label %bodyA, label %exit
85 %A_idx = getelementptr inbounds double, double* %A, i32 %j
86 %val1 = load double, double* %A_idx
87 %val2 = fadd double %val1, %val1
91 %B_idx = getelementptr inbounds double, double* %B, i32 %j
92 store double %val2, double* %B_idx
93 %C_idx = getelementptr inbounds double, double* %C, i32 %j
94 store double %val1, double* %C_idx
98 %j.inc = add nuw nsw i32 %j, 1
109 ; CHECK: Statistics {
110 ; CHECK: Instructions copied: 1
111 ; CHECK: Known loads forwarded: 2
112 ; CHECK: Operand trees forwarded: 1
113 ; CHECK: Statements with forwarded operand trees: 1
116 ; CHECK: After statements {
117 ; CHECK-NEXT: Stmt_bodyA
118 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
119 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_A[i0] };
120 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
121 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val2[] };
122 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
123 ; CHECK-NEXT: [n] -> { Stmt_bodyA[i0] -> MemRef_val1[] };
124 ; CHECK-NEXT: Instructions {
125 ; CHECK-NEXT: %val1 = load double, double* %A_idx
126 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
128 ; CHECK-NEXT: Stmt_bodyB
129 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 0]
131 ; CHECK-NEXT: new: [n] -> { Stmt_bodyB[i0] -> MemRef_A[i0] };
132 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
133 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_B[i0] };
134 ; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 0]
135 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_C[i0] };
136 ; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
137 ; CHECK-NEXT: [n] -> { Stmt_bodyB[i0] -> MemRef_val1[] };
138 ; CHECK-NEXT: Instructions {
139 ; CHECK-NEXT: %val1 = load double, double* %A_idx
140 ; CHECK-NEXT: %val1 = load double, double* %A_idx
141 ; CHECK-NEXT: %val2 = fadd double %val1, %val1
142 ; CHECK-NEXT: store double %val2, double* %B_idx
143 ; CHECK-NEXT: store double %val1, double* %C_idx