106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
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// RUN: clang-modernize -loop-convert %t.cpp -- -I %S/Inputs -std=c++11
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// RUN: FileCheck -input-file=%t.cpp %s
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#include "structures.h"
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const int N = 6;
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dependent<int> v;
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dependent<int> *pv;
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transparent<dependent<int> > cv;
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void f() {
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int sum = 0;
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for (int i = 0, e = v.size(); i < e; ++i) {
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printf("Fibonacci number is %d\n", v[i]);
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sum += v[i] + 2;
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}
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// CHECK: for (auto & elem : v)
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// CHECK-NEXT: printf("Fibonacci number is %d\n", elem);
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// CHECK-NEXT: sum += elem + 2;
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for (int i = 0, e = v.size(); i < e; ++i) {
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printf("Fibonacci number is %d\n", v.at(i));
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sum += v.at(i) + 2;
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}
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// CHECK: for (auto & elem : v)
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// CHECK-NEXT: printf("Fibonacci number is %d\n", elem);
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// CHECK-NEXT: sum += elem + 2;
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for (int i = 0, e = pv->size(); i < e; ++i) {
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printf("Fibonacci number is %d\n", pv->at(i));
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sum += pv->at(i) + 2;
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}
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// CHECK: for (auto & elem : *pv)
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// CHECK-NEXT: printf("Fibonacci number is %d\n", elem);
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// CHECK-NEXT: sum += elem + 2;
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// This test will fail if size() isn't called repeatedly, since it
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// returns unsigned int, and 0 is deduced to be signed int.
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// FIXME: Insert the necessary explicit conversion, or write out the types
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// explicitly.
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for (int i = 0; i < pv->size(); ++i) {
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printf("Fibonacci number is %d\n", (*pv).at(i));
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sum += (*pv)[i] + 2;
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}
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// CHECK: for (auto & elem : *pv)
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// CHECK-NEXT: printf("Fibonacci number is %d\n", elem);
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// CHECK-NEXT: sum += elem + 2;
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for (int i = 0; i < cv->size(); ++i) {
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printf("Fibonacci number is %d\n", cv->at(i));
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sum += cv->at(i) + 2;
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}
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// CHECK: for (auto & elem : *cv)
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// CHECK-NEXT: printf("Fibonacci number is %d\n", elem);
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// CHECK-NEXT: sum += elem + 2;
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}
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// Check for loops that don't mention containers
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void noContainer() {
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for (auto i = 0; i < v.size(); ++i) { }
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// CHECK: for (auto & elem : v) { }
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for (auto i = 0; i < v.size(); ++i) ;
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// CHECK: for (auto & elem : v) ;
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}
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struct NoBeginEnd {
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unsigned size() const;
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};
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struct NoConstBeginEnd {
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NoConstBeginEnd();
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unsigned size() const;
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unsigned begin();
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unsigned end();
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};
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struct ConstBeginEnd {
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ConstBeginEnd();
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unsigned size() const;
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unsigned begin() const;
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unsigned end() const;
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};
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// Shouldn't transform pseudo-array uses if the container doesn't provide
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// begin() and end() of the right const-ness.
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void NoBeginEndTest() {
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NoBeginEnd NBE;
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for (unsigned i = 0, e = NBE.size(); i < e; ++i) {}
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// CHECK: for (unsigned i = 0, e = NBE.size(); i < e; ++i) {}
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const NoConstBeginEnd const_NCBE;
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for (unsigned i = 0, e = const_NCBE.size(); i < e; ++i) {}
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// CHECK: for (unsigned i = 0, e = const_NCBE.size(); i < e; ++i) {}
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ConstBeginEnd CBE;
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for (unsigned i = 0, e = CBE.size(); i < e; ++i) {}
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// CHECK: for (auto & elem : CBE) {}
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const ConstBeginEnd const_CBE;
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for (unsigned i = 0, e = const_CBE.size(); i < e; ++i) {}
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// CHECK: for (auto & elem : const_CBE) {}
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}
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