From ea74c7e498274960c2b09b7988b4cfefff43137f Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Sun, 20 Jan 2008 14:00:07 +0000 Subject: [PATCH] Honour ByVal parameter attribute for name decoration git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46200 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86AsmPrinter.cpp | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp index f9756f046f6..ef8cbea590d 100644 --- a/lib/Target/X86/X86AsmPrinter.cpp +++ b/lib/Target/X86/X86AsmPrinter.cpp @@ -25,6 +25,7 @@ #include "llvm/Constants.h" #include "llvm/Module.h" #include "llvm/DerivedTypes.h" +#include "llvm/ParameterAttributes.h" #include "llvm/Type.h" #include "llvm/Assembly/Writer.h" #include "llvm/Support/Mangler.h" @@ -48,11 +49,19 @@ static X86MachineFunctionInfo calculateFunctionInfo(const Function *F, return Info; } + unsigned argNum = 1; for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end(); - AI != AE; ++AI) + AI != AE; ++AI, ++argNum) { + const Type* Ty = AI->getType(); + + // 'Dereference' type in case of byval parameter attribute + if (F->paramHasAttr(argNum, ParamAttr::ByVal)) + Ty = cast(Ty)->getElementType(); + // Size should be aligned to DWORD boundary - Size += ((TD->getABITypeSize(AI->getType()) + 3)/4)*4; - + Size += ((TD->getABITypeSize(Ty) + 3)/4)*4; + } + // We're not supporting tooooo huge arguments :) Info.setBytesToPopOnReturn((unsigned int)Size); return Info;