Check first member alignment and uses packed struct if required.
llvm-svn: 51619
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@ -516,6 +516,8 @@ void RecordOrganizer::layoutStructFields(const ASTRecordLayout &RL) {
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unsigned Align = CGT.getTargetData().getABITypeAlignment(Ty) * 8;
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if (llvmSize % Align)
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packedStruct = true;
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else if (offset == 0 && RL.getAlignment() % Align)
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packedStruct = true;
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llvmSize += size;
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CGT.addFieldInfo(FD, LLVMFields.size());
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@ -160,3 +160,6 @@ int f14(int i, ...) {
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a13 b = __builtin_va_arg(l, a13);
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return b.b;
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}
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/* Attribute packed */
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struct __attribute__((packed)) S2839 { double a[19]; signed char b; } s2839[5];
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