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Provide slightly more refined error message when trying to lookup a target, and

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none are registered.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76181 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2009-07-17 15:50:49 +00:00
parent ab9238e876
commit 7df0c07dbc
1 changed files with 18 additions and 1 deletions
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19
lib/Support/TargetRegistry.cpp
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@ -21,6 +21,11 @@ TargetRegistry::iterator TargetRegistry::begin() {
const Target * const Target *
TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT, TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT,
std::string &Error) { std::string &Error) {
// Provide special warning when no targets are initialized.
if (begin() == end()) {
Error = "Unable to find target for this triple (no targets are registered)";
return 0;
}
const Target *Best = 0, *EquallyBest = 0; const Target *Best = 0, *EquallyBest = 0;
unsigned BestQuality = 0; unsigned BestQuality = 0;
for (iterator it = begin(), ie = end(); it != ie; ++it) { for (iterator it = begin(), ie = end(); it != ie; ++it) {
@ -35,7 +40,7 @@ TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT,
} }
if (!Best) { if (!Best) {
Error = "No available targets are compatible with this module"; Error = "No available targets are compatible with this triple";
return 0; return 0;
} }
@ -53,6 +58,12 @@ TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT,
const Target * const Target *
TargetRegistry::getClosestStaticTargetForModule(const Module &M, TargetRegistry::getClosestStaticTargetForModule(const Module &M,
std::string &Error) { std::string &Error) {
// Provide special warning when no targets are initialized.
if (begin() == end()) {
Error = "Unable to find target for this module (no targets are registered)";
return 0;
}
const Target *Best = 0, *EquallyBest = 0; const Target *Best = 0, *EquallyBest = 0;
unsigned BestQuality = 0; unsigned BestQuality = 0;
for (iterator it = begin(), ie = end(); it != ie; ++it) { for (iterator it = begin(), ie = end(); it != ie; ++it) {
@ -84,6 +95,12 @@ TargetRegistry::getClosestStaticTargetForModule(const Module &M,
const Target * const Target *
TargetRegistry::getClosestTargetForJIT(std::string &Error) { TargetRegistry::getClosestTargetForJIT(std::string &Error) {
// Provide special warning when no targets are initialized.
if (begin() == end()) {
Error = "No JIT is available for this host (no targets are registered)";
return 0;
}
const Target *Best = 0, *EquallyBest = 0; const Target *Best = 0, *EquallyBest = 0;
unsigned BestQuality = 0; unsigned BestQuality = 0;
for (iterator it = begin(), ie = end(); it != ie; ++it) { for (iterator it = begin(), ie = end(); it != ie; ++it) {