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| author | Reid Kleckner <reid@kleckner.net> | 2014-07-16 01:34:27 +0000 |
|---|---|---|
| committer | Reid Kleckner <reid@kleckner.net> | 2014-07-16 01:34:27 +0000 |
| commit | 56b56ea15bd8687d9a9f1279c91eb0939cee7a56 (patch) | |
| tree | db18a11c0d573cda0b929752f346dce0905a72aa /llvm/lib/Bitcode/Reader | |
| parent | b4db99c76ab3b0eed1a90b142aa420960adb2ae4 (diff) | |
| download | bcm5719-llvm-56b56ea15bd8687d9a9f1279c91eb0939cee7a56.tar.gz bcm5719-llvm-56b56ea15bd8687d9a9f1279c91eb0939cee7a56.zip | |
Roundtrip the inalloca bit on allocas through bitcode
This was an oversight in the original support. As it is, I stuffed this
bit into the alignment. The alignment is stored in log2 form, so it
doesn't need more than 5 bits, given that Value::MaximumAlignment is 1
<< 29.
Reviewers: nicholas
Differential Revision: http://reviews.llvm.org/D3943
llvm-svn: 213118
Diffstat (limited to 'llvm/lib/Bitcode/Reader')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 192f7538da8..e7de539a325 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -2889,10 +2889,14 @@ std::error_code BitcodeReader::ParseFunctionBody(Function *F) { dyn_cast_or_null<PointerType>(getTypeByID(Record[0])); Type *OpTy = getTypeByID(Record[1]); Value *Size = getFnValueByID(Record[2], OpTy); - unsigned Align = Record[3]; + unsigned AlignRecord = Record[3]; + bool InAlloca = AlignRecord & (1 << 5); + unsigned Align = AlignRecord & ((1 << 5) - 1); if (!Ty || !Size) return Error(InvalidRecord); - I = new AllocaInst(Ty->getElementType(), Size, (1 << Align) >> 1); + AllocaInst *AI = new AllocaInst(Ty->getElementType(), Size, (1 << Align) >> 1); + AI->setUsedWithInAlloca(InAlloca); + I = AI; InstructionList.push_back(I); break; } |
