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| author | Nadav Rotem <nrotem@apple.com> | 2012-10-23 04:35:40 +0000 |
|---|---|---|
| committer | Nadav Rotem <nrotem@apple.com> | 2012-10-23 04:35:40 +0000 |
| commit | c97410eed21948f6ff1caa187e1ad4f924553733 (patch) | |
| tree | 17a8ba844b5f10684b16242ceb1bf31b69f00dca /lib/VMCore/TargetTransformInfo.cpp | |
| parent | 293e5d0e0a4abce2c79a6bde338325ca1df0edab (diff) | |
| download | external_llvm-c97410eed21948f6ff1caa187e1ad4f924553733.zip external_llvm-c97410eed21948f6ff1caa187e1ad4f924553733.tar.gz external_llvm-c97410eed21948f6ff1caa187e1ad4f924553733.tar.bz2 | |
Add a comment which explains why the assert fired and how to fix it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166467 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/TargetTransformInfo.cpp')
| -rw-r--r-- | lib/VMCore/TargetTransformInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/VMCore/TargetTransformInfo.cpp b/lib/VMCore/TargetTransformInfo.cpp index 3af0222..219d24c 100644 --- a/lib/VMCore/TargetTransformInfo.cpp +++ b/lib/VMCore/TargetTransformInfo.cpp @@ -17,6 +17,10 @@ using namespace llvm; /// @note This has to exist, because this is a pass, but it should never be /// used. TargetTransformInfo::TargetTransformInfo() : ImmutablePass(ID) { + /// You are seeing this error because your pass required the TTI + /// using a call to "getAnalysis<TargetTransformInfo>()", and you did + /// not initialize a machine target which can provide the TTI. + /// You should use "getAnalysisIfAvailable<TargetTransformInfo>()" instead. report_fatal_error("Bad TargetTransformInfo ctor used. " "Tool did not specify a TargetTransformInfo to use?"); } |