From 7df0c07dbcd60e2f07220852e60f0f97c80e94d6 Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Fri, 17 Jul 2009 15:50:49 +0000 Subject: Provide slightly more refined error message when trying to lookup a target, and none are registered. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76181 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/TargetRegistry.cpp | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'lib/Support/TargetRegistry.cpp') diff --git a/lib/Support/TargetRegistry.cpp b/lib/Support/TargetRegistry.cpp index bf631feb68..b3446e6109 100644 --- a/lib/Support/TargetRegistry.cpp +++ b/lib/Support/TargetRegistry.cpp @@ -21,6 +21,11 @@ TargetRegistry::iterator TargetRegistry::begin() { const Target * TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT, 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; unsigned BestQuality = 0; for (iterator it = begin(), ie = end(); it != ie; ++it) { @@ -35,7 +40,7 @@ TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT, } if (!Best) { - Error = "No available targets are compatible with this module"; + Error = "No available targets are compatible with this triple"; return 0; } @@ -53,6 +58,12 @@ TargetRegistry::getClosestStaticTargetForTriple(const std::string &TT, const Target * TargetRegistry::getClosestStaticTargetForModule(const Module &M, 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; unsigned BestQuality = 0; for (iterator it = begin(), ie = end(); it != ie; ++it) { @@ -84,6 +95,12 @@ TargetRegistry::getClosestStaticTargetForModule(const Module &M, const Target * 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; unsigned BestQuality = 0; for (iterator it = begin(), ie = end(); it != ie; ++it) { -- cgit v1.2.3-18-g5258