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[TABLEGEN] Do not crash on intrinsics with names longer than 40 characters

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Differential Revision: http://reviews.llvm.org/D4537

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213253 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2014-07-17 11:23:29 +00:00
parent 6c701b9aca
commit df50f4150b
2 changed files with 35 additions and 2 deletions
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32
test/TableGen/intrinsic-long-name.td Normal file
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@ -0,0 +1,32 @@
// RUN: llvm-tblgen -gen-intrinsic %s | FileCheck %s
// XFAIL: vg_leak
class IntrinsicProperty;
class ValueType<int size, int value> {
string Namespace = "MVT";
int Size = size;
int Value = value;
}
class LLVMType<ValueType vt> {
ValueType VT = vt;
}
class Intrinsic<string name, list<LLVMType> param_types = []> {
string LLVMName = name;
bit isTarget = 0;
string TargetPrefix = "";
list<LLVMType> RetTypes = [];
list<LLVMType> ParamTypes = param_types;
list<IntrinsicProperty> Properties = [];
}
def iAny : ValueType<0, 254>;
def llvm_anyint_ty : LLVMType<iAny>;
// Make sure we generate the long name without crashing
// CHECK: this_is_a_really_long_intrinsic_name_but_we_should_still_not_crash // llvm.this.is.a.really.long.intrinsic.name.but.we.should.still.not.crash
def int_foo : Intrinsic<"llvm.foo", [llvm_anyint_ty]>;
def int_this_is_a_really_long_intrinsic_name_but_we_should_still_not_crash : Intrinsic<"llvm.this.is.a.really.long.intrinsic.name.but.we.should.still.not.crash", [llvm_anyint_ty]>;

5
utils/TableGen/IntrinsicEmitter.cpp
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@ -129,8 +129,9 @@ void IntrinsicEmitter::EmitEnumInfo(const std::vector<CodeGenIntrinsic> &Ints,
for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
OS << " " << Ints[i].EnumName;
OS << ((i != e-1) ? ", " : " ");
OS << std::string(40-Ints[i].EnumName.size(), ' ')
<< "// " << Ints[i].Name << "\n";
if (Ints[i].EnumName.size() < 40)
OS << std::string(40-Ints[i].EnumName.size(), ' ');
OS << " // " << Ints[i].Name << "\n";
}
OS << "#endif\n\n";
}