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Allow target to customize directive used to switch to arbitrary section in SwitchSection,
add generic constant pool emitter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24464 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -14,6 +14,7 @@
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#include "llvm/CodeGen/AsmPrinter.h"
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#include "llvm/Constants.h"
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#include "llvm/Module.h"
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#include "llvm/CodeGen/MachineConstantPool.h"
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#include "llvm/Support/Mangler.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Target/TargetMachine.h"
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@ -26,7 +27,7 @@ void AsmPrinter::SwitchSection(const char *NewSection, const GlobalValue *GV) {
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std::string NS;
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if (GV && GV->hasSection())
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NS = ".section " + GV->getSection();
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NS = SwitchToSectionDirective + GV->getSection();
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else
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NS = NewSection;
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@ -54,6 +55,32 @@ void AsmPrinter::SetupMachineFunction(MachineFunction &MF) {
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IncrementFunctionNumber();
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}
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/// EmitConstantPool - Print to the current output stream assembly
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/// representations of the constants in the constant pool MCP. This is
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/// used to print out constants which have been "spilled to memory" by
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/// the code generator.
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///
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void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
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const std::vector<Constant*> &CP = MCP->getConstants();
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if (CP.empty()) return;
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const TargetData &TD = TM.getTargetData();
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SwitchSection(ConstantPoolSection, 0);
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for (unsigned i = 0, e = CP.size(); i != e; ++i) {
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// FIXME: force doubles to be naturally aligned. We should handle this
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// more correctly in the future.
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unsigned Alignment = TD.getTypeAlignmentShift(CP[i]->getType());
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if (CP[i]->getType() == Type::DoubleTy && Alignment < 3) Alignment = 3;
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EmitAlignment(Alignment);
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O << PrivateGlobalPrefix << "CPI" << getFunctionNumber() << '_' << i
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<< ":\t\t\t\t\t" << CommentString << *CP[i] << '\n';
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EmitGlobalConstant(CP[i]);
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}
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}
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// EmitAlignment - Emit an alignment directive to the specified power of two.
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void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV) const {
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if (GV && GV->getAlignment())
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