58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
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// RUN: loop-convert . %t.cpp -- -I %S/Inputs
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// RUN: FileCheck -input-file=%t.cpp %s
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#include "structures.h"
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void f() {
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const int N = 10;
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const int M = 15;
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Val Arr[N];
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for (int i = 0; i < N; ++i) {
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for (int j = 0; j < N; ++j) {
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int k = Arr[i].x + Arr[j].x;
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// The repeat is there to allow FileCheck to make sure the two variable
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// names aren't the same.
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int l = Arr[i].x + Arr[j].x;
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}
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}
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// CHECK: for (auto & [[VAR:[a-zA-Z_]+]] : Arr)
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// CHECK-NEXT: for (auto & [[INNERVAR:[a-zA-Z_]+]] : Arr)
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// CHECK-NEXT: int k = [[VAR]].x + [[INNERVAR]].x;
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// CHECK-NOT: int l = [[VAR]].x + [[VAR]].x;
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Val Nest[N][M];
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for (int i = 0; i < N; ++i) {
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for (int j = 0; j < M; ++j) {
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printf("Got item %d", Nest[i][j].x);
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}
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}
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// The inner loop is also convertible, but doesn't need to be converted
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// immediately. Update this test when that changes!
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// CHECK: for (auto & [[VAR:[a-zA-Z_]+]] : Nest)
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// CHECK-NEXT: for (int j = 0; j < M; ++j)
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// CHECK-NEXT: printf("Got item %d", [[VAR]][j].x);
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// Note that the order of M and N are switched for this test.
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for (int j = 0; j < M; ++j) {
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for (int i = 0; i < N; ++i) {
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printf("Got item %d", Nest[i][j].x);
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}
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}
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// CHECK-NOT: for (auto & {{[a-zA-Z_]+}} : Nest[i])
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// CHECK: for (int j = 0; j < M; ++j)
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// CHECK-NEXT: for (auto & [[VAR:[a-zA-Z_]+]] : Nest)
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// CHECK-NEXT: printf("Got item %d", [[VAR]][j].x);
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Nested<T> NestT;
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for (Nested<T>::iterator I = NestT.begin(), E = NestT.end(); I != E; ++I) {
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for (T::iterator TI = (*I).begin(), TE = (*I).end(); TI != TE; ++TI) {
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printf("%d", *TI);
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}
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}
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// The inner loop is also convertible, but doesn't need to be converted
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// immediately. Update this test when that changes!
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// CHECK: for (auto & [[VAR:[a-zA-Z_]+]] : NestT) {
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// CHECK-NEXT: for (T::iterator TI = ([[VAR]]).begin(), TE = ([[VAR]]).end(); TI != TE; ++TI) {
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// CHECK-NEXT: printf("%d", *TI);
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}
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