Files
clang-p2996/clang-tools-extra/test/loop-convert/negative-pseudoarray.cpp
David Blaikie efae14e96c Fix tests to be more robust (to older versions of grep, lesser lit-like test runners, etc)
Seems I had a problem with my version of grep, when run by lit, not supporting
the \s escape. This seems to fix it for me & I'll be getting the buildbots to
run these tests too to keep an eye on them (actually loop-convert tests still
fail when run via a make build, so that'll be addressed in a future commit). I
could use [[:space:]] to generalize over other whitespace but that seemed
unnecessarily verbose when the flexibility wasn't actually required by the
current text of the tests.

Also I just simplified a lot of the loop-convert tests (removing the
unecessary temp file deletion at the start, removing the unnecessary && for
FileCheck, etc).

The remove-cstr-calls/basic.cpp changes were necessitated by an out of tree
lit-like test runner that's a bit less fantastic about escaping. They were
modeled on existing tooling test cases in Clang, with thanks to Manuel Klimek
for the pointers.

llvm-svn: 163009
2012-08-31 17:49:33 +00:00

130 lines
2.7 KiB
C++

// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
// RUN: loop-convert -A1 . %t.cpp -- -I %S/Inputs
// RUN: FileCheck -input-file=%t.cpp %s
#include "structures.h"
// Single FileCheck line to make sure that no loops are converted.
// CHECK-NOT: for ({{.*[^:]:[^:].*}})
const int N = 6;
dependent<int> v;
dependent<int> *pv;
transparent<dependent<int> > cv;
int sum = 0;
// Checks for the index start and end:
void indexStartAndEnd() {
for (int i = 0; i < v.size() + 1; ++i)
sum += v[i];
for (int i = 0; i < v.size() - 1; ++i)
sum += v[i];
for (int i = 1; i < v.size(); ++i)
sum += v[i];
for (int i = 1; i < v.size(); ++i)
sum += v[i];
for (int i = 0; ; ++i)
sum += (*pv)[i];
}
// Checks for invalid increment steps:
void increment() {
for (int i = 0; i < v.size(); --i)
sum += v[i];
for (int i = 0; i < v.size(); i)
sum += v[i];
for (int i = 0; i < v.size();)
sum += v[i];
for (int i = 0; i < v.size(); i += 2)
sum ++;
}
// Checks to make sure that the index isn't used outside of the container:
void indexUse() {
for (int i = 0; i < v.size(); ++i)
v[i] += 1 + i;
}
// Checks for incorrect loop variables.
void mixedVariables() {
int badIndex;
for (int i = 0; badIndex < v.size(); ++i)
sum += v[i];
for (int i = 0; i < v.size(); ++badIndex)
sum += v[i];
for (int i = 0; badIndex < v.size(); ++badIndex)
sum += v[i];
for (int i = 0; badIndex < v.size(); ++badIndex)
sum += v[badIndex];
}
// Checks for an array indexed in addition to the container.
void multipleArrays() {
int badArr[N];
for (int i = 0; i < v.size(); ++i)
sum += v[i] + badArr[i];
for (int i = 0; i < v.size(); ++i)
sum += badArr[i];
for (int i = 0; i < v.size(); ++i) {
int k = badArr[i];
sum += k + 2;
}
for (int i = 0; i < v.size(); ++i) {
int k = badArr[i];
sum += v[i] + k;
}
}
// Checks for multiple containers being indexed container.
void multipleContainers() {
dependent<int> badArr;
for (int i = 0; i < v.size(); ++i)
sum += v[i] + badArr[i];
for (int i = 0; i < v.size(); ++i)
sum += badArr[i];
for (int i = 0; i < v.size(); ++i) {
int k = badArr[i];
sum += k + 2;
}
for (int i = 0; i < v.size(); ++i) {
int k = badArr[i];
sum += v[i] + k;
}
}
// Check to make sure that dereferenced pointers-to-containers behave nicely
void derefContainer() {
// Note the dependent<T>::operator*() returns another dependent<T>.
// This test makes sure that we don't allow an arbitrary number of *'s.
for (int i = 0; i < pv->size(); ++i)
sum += (**pv).at(i);
for (int i = 0; i < pv->size(); ++i)
sum += (**pv)[i];
}
void wrongEnd() {
int bad;
for (int i = 0, e = v.size(); i < bad; ++i)
sum += v[i];
}