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MIR Parser: Report an error when a machine function doesn't have a corresponding function.

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This commit reports an error when a machine function from a MIR file that contains
LLVM IR can't find a function with the same name in the loaded LLVM IR module.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10468


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239831 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-16 17:06:29 +00:00
parent 0021a54ae5
commit d8a0ff34d9
2 changed files with 22 additions and 0 deletions
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3
lib/CodeGen/MIRParser/MIRParser.cpp
View File

@@ -173,6 +173,9 @@ bool MIRParserImpl::parseMachineFunction(yaml::Input &In, Module &M,
Functions.insert(std::make_pair(FunctionName, std::move(MF))); Functions.insert(std::make_pair(FunctionName, std::move(MF)));
if (NoLLVMIR) if (NoLLVMIR)
createDummyFunction(FunctionName, M); createDummyFunction(FunctionName, M);
else if (!M.getFunction(FunctionName))
return error(Twine("function '") + FunctionName +
"' isn't defined in the provided LLVM IR");
return false; return false;
} }

19
test/CodeGen/MIR/machine-function-missing-function.mir Normal file
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@@ -0,0 +1,19 @@
# RUN: not llc -start-after branch-folder -stop-after branch-folder -o /dev/null %s 2>&1 | FileCheck %s
# This test ensures that an error is reported when the mir file has LLVM IR and
# one of the machine functions has a name that doesn't match any function in
# the LLVM IR.
--- |
define i32 @foo() {
ret i32 0
}
...
---
name: foo
...
---
# CHECK: function 'faa' isn't defined in the provided LLVM IR
name: faa
...