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Instead of crashing when MCAsmInfo is NULL, add an assert.

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This helps with porting code from 2.9 to 3.0 as TargetSelect.h changed location,
and if you include the old one by accident you will trigger this assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140848 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2011-09-30 12:31:57 +00:00
parent 25a7d94e81
commit 10a11ecb59
1 changed files with 5 additions and 0 deletions
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5
lib/CodeGen/LLVMTargetMachine.cpp
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@ -114,6 +114,11 @@ LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
: TargetMachine(T, Triple, CPU, FS) {
CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM);
AsmInfo = T.createMCAsmInfo(Triple);
// TargetSelect.h moved to different directory between LLVM 2.9 and 3.0,
// and if the old one gets included then MCAsmInfo will be NULL and we'd crash
// later.
// Provide the user a useful error message about whats wrong.
assert(AsmInfo && "MCAsmInfo not initialized. Make sure you include the correct TargetSelect.h!");
}
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,