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path: root/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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Diffstat (limited to 'lib/CodeGen/AsmPrinter/AsmPrinter.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter/AsmPrinter.cpp165
1 files changed, 55 insertions, 110 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 0b04d3099d..0f381c6d0c 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -26,8 +26,10 @@
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/DataLayout.h"
#include "llvm/DebugInfo.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/Operator.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
@@ -35,7 +37,6 @@
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Module.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MathExtras.h"
@@ -406,9 +407,9 @@ void AsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
// - pointer to mangled symbol above with initializer
unsigned PtrSize = TD->getPointerSizeInBits()/8;
OutStreamer.EmitSymbolValue(GetExternalSymbolSymbol("_tlv_bootstrap"),
- PtrSize, 0);
- OutStreamer.EmitIntValue(0, PtrSize, 0);
- OutStreamer.EmitSymbolValue(MangSym, PtrSize, 0);
+ PtrSize);
+ OutStreamer.EmitIntValue(0, PtrSize);
+ OutStreamer.EmitSymbolValue(MangSym, PtrSize);
OutStreamer.AddBlankLine();
return;
@@ -723,20 +724,6 @@ void AsmPrinter::EmitFunctionBody() {
case TargetOpcode::KILL:
if (isVerbose()) emitKill(II, *this);
break;
- // @LOCALMOD-BEGIN
- case TargetOpcode::BUNDLE_ALIGN_START:
- OutStreamer.EmitBundleAlignStart();
- break;
- case TargetOpcode::BUNDLE_ALIGN_END:
- OutStreamer.EmitBundleAlignEnd();
- break;
- case TargetOpcode::BUNDLE_LOCK:
- OutStreamer.EmitBundleLock();
- break;
- case TargetOpcode::BUNDLE_UNLOCK:
- OutStreamer.EmitBundleUnlock();
- break;
- // @LOCALMOD-END
default:
if (!TM.hasMCUseLoc())
MCLineEntry::Make(&OutStreamer, getCurrentSection());
@@ -991,6 +978,8 @@ bool AsmPrinter::doFinalization(Module &M) {
MMI = 0;
OutStreamer.Finish();
+ OutStreamer.reset();
+
return false;
}
@@ -1082,7 +1071,7 @@ void AsmPrinter::EmitConstantPool() {
// Emit inter-object padding for alignment.
unsigned AlignMask = CPE.getAlignment() - 1;
unsigned NewOffset = (Offset + AlignMask) & ~AlignMask;
- OutStreamer.EmitFill(NewOffset - Offset, 0/*fillval*/, 0/*addrspace*/);
+ OutStreamer.EmitZeros(NewOffset - Offset);
Type *Ty = CPE.getType();
Offset = NewOffset + TM.getDataLayout()->getTypeAllocSize(Ty);
@@ -1258,7 +1247,7 @@ void AsmPrinter::EmitJumpTableEntry(const MachineJumpTableInfo *MJTI,
assert(Value && "Unknown entry kind!");
unsigned EntrySize = MJTI->getEntrySize(*TM.getDataLayout());
- OutStreamer.EmitValue(Value, EntrySize, /*addrspace*/0);
+ OutStreamer.EmitValue(Value, EntrySize);
}
/// EmitSpecialLLVMGlobal - Check to see if the specified global is a
@@ -1380,19 +1369,19 @@ void AsmPrinter::EmitXXStructorList(const Constant *List, bool isCtor) {
/// EmitInt8 - Emit a byte directive and value.
///
void AsmPrinter::EmitInt8(int Value) const {
- OutStreamer.EmitIntValue(Value, 1, 0/*addrspace*/);
+ OutStreamer.EmitIntValue(Value, 1);
}
/// EmitInt16 - Emit a short directive and value.
///
void AsmPrinter::EmitInt16(int Value) const {
- OutStreamer.EmitIntValue(Value, 2, 0/*addrspace*/);
+ OutStreamer.EmitIntValue(Value, 2);
}
/// EmitInt32 - Emit a long directive and value.
///
void AsmPrinter::EmitInt32(int Value) const {
- OutStreamer.EmitIntValue(Value, 4, 0/*addrspace*/);
+ OutStreamer.EmitIntValue(Value, 4);
}
/// EmitLabelDifference - Emit something like ".long Hi-Lo" where the size
@@ -1407,14 +1396,14 @@ void AsmPrinter::EmitLabelDifference(const MCSymbol *Hi, const MCSymbol *Lo,
OutContext);
if (!MAI->hasSetDirective()) {
- OutStreamer.EmitValue(Diff, Size, 0/*AddrSpace*/);
+ OutStreamer.EmitValue(Diff, Size);
return;
}
// Otherwise, emit with .set (aka assignment).
MCSymbol *SetLabel = GetTempSymbol("set", SetCounter++);
OutStreamer.EmitAssignment(SetLabel, Diff);
- OutStreamer.EmitSymbolValue(SetLabel, Size, 0/*AddrSpace*/);
+ OutStreamer.EmitSymbolValue(SetLabel, Size);
}
/// EmitLabelOffsetDifference - Emit something like ".long Hi+Offset-Lo"
@@ -1438,12 +1427,12 @@ void AsmPrinter::EmitLabelOffsetDifference(const MCSymbol *Hi, uint64_t Offset,
OutContext);
if (!MAI->hasSetDirective())
- OutStreamer.EmitValue(Diff, 4, 0/*AddrSpace*/);
+ OutStreamer.EmitValue(Diff, 4);
else {
// Otherwise, emit with .set (aka assignment).
MCSymbol *SetLabel = GetTempSymbol("set", SetCounter++);
OutStreamer.EmitAssignment(SetLabel, Diff);
- OutStreamer.EmitSymbolValue(SetLabel, 4, 0/*AddrSpace*/);
+ OutStreamer.EmitSymbolValue(SetLabel, 4);
}
}
@@ -1461,7 +1450,7 @@ void AsmPrinter::EmitLabelPlusOffset(const MCSymbol *Label, uint64_t Offset,
MCConstantExpr::Create(Offset, OutContext),
OutContext);
- OutStreamer.EmitValue(Expr, Size, 0/*AddrSpace*/);
+ OutStreamer.EmitValue(Expr, Size);
}
@@ -1532,19 +1521,14 @@ static const MCExpr *lowerConstant(const Constant *CV, AsmPrinter &AP) {
case Instruction::GetElementPtr: {
const DataLayout &TD = *AP.TM.getDataLayout();
// Generate a symbolic expression for the byte address
- const Constant *PtrVal = CE->getOperand(0);
- SmallVector<Value*, 8> IdxVec(CE->op_begin()+1, CE->op_end());
- int64_t Offset = TD.getIndexedOffset(PtrVal->getType(), IdxVec);
+ APInt OffsetAI(TD.getPointerSizeInBits(), 0);
+ cast<GEPOperator>(CE)->accumulateConstantOffset(TD, OffsetAI);
const MCExpr *Base = lowerConstant(CE->getOperand(0), AP);
- if (Offset == 0)
+ if (!OffsetAI)
return Base;
- // Truncate/sext the offset to the pointer size.
- unsigned Width = TD.getPointerSizeInBits();
- if (Width < 64)
- Offset = SignExtend64(Offset, Width);
-
+ int64_t Offset = OffsetAI.getSExtValue();
return MCBinaryExpr::CreateAdd(Base, MCConstantExpr::Create(Offset, Ctx),
Ctx);
}
@@ -1805,87 +1789,48 @@ static void emitGlobalConstantStruct(const ConstantStruct *CS,
static void emitGlobalConstantFP(const ConstantFP *CFP, unsigned AddrSpace,
AsmPrinter &AP) {
- if (CFP->getType()->isHalfTy()) {
- if (AP.isVerbose()) {
- SmallString<10> Str;
- CFP->getValueAPF().toString(Str);
- AP.OutStreamer.GetCommentOS() << "half " << Str << '\n';
- }
- uint64_t Val = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- AP.OutStreamer.EmitIntValue(Val, 2, AddrSpace);
- return;
- }
-
- if (CFP->getType()->isFloatTy()) {
- if (AP.isVerbose()) {
- float Val = CFP->getValueAPF().convertToFloat();
- uint64_t IntVal = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- AP.OutStreamer.GetCommentOS() << "float " << Val << '\n'
- << " (" << format("0x%x", IntVal) << ")\n";
- }
- uint64_t Val = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- AP.OutStreamer.EmitIntValue(Val, 4, AddrSpace);
- return;
- }
+ APInt API = CFP->getValueAPF().bitcastToAPInt();
- // FP Constants are printed as integer constants to avoid losing
- // precision.
- if (CFP->getType()->isDoubleTy()) {
- if (AP.isVerbose()) {
- double Val = CFP->getValueAPF().convertToDouble();
- uint64_t IntVal = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- AP.OutStreamer.GetCommentOS() << "double " << Val << '\n'
- << " (" << format("0x%lx", IntVal) << ")\n";
- }
+ // First print a comment with what we think the original floating-point value
+ // should have been.
+ if (AP.isVerbose()) {
+ SmallString<8> StrVal;
+ CFP->getValueAPF().toString(StrVal);
- uint64_t Val = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
- AP.OutStreamer.EmitIntValue(Val, 8, AddrSpace);
- return;
+ CFP->getType()->print(AP.OutStreamer.GetCommentOS());
+ AP.OutStreamer.GetCommentOS() << ' ' << StrVal << '\n';
}
- if (CFP->getType()->isX86_FP80Ty()) {
- // all long double variants are printed as hex
- // API needed to prevent premature destruction
- APInt API = CFP->getValueAPF().bitcastToAPInt();
- const uint64_t *p = API.getRawData();
- if (AP.isVerbose()) {
- // Convert to double so we can print the approximate val as a comment.
- APFloat DoubleVal = CFP->getValueAPF();
- bool ignored;
- DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
- &ignored);
- AP.OutStreamer.GetCommentOS() << "x86_fp80 ~= "
- << DoubleVal.convertToDouble() << '\n';
- }
+ // Now iterate through the APInt chunks, emitting them in endian-correct
+ // order, possibly with a smaller chunk at beginning/end (e.g. for x87 80-bit
+ // floats).
+ unsigned NumBytes = API.getBitWidth() / 8;
+ unsigned TrailingBytes = NumBytes % sizeof(uint64_t);
+ const uint64_t *p = API.getRawData();
- if (AP.TM.getDataLayout()->isBigEndian()) {
- AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
- AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
- } else {
- AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
- AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
- }
+ // PPC's long double has odd notions of endianness compared to how LLVM
+ // handles it: p[0] goes first for *big* endian on PPC.
+ if (AP.TM.getDataLayout()->isBigEndian() != CFP->getType()->isPPC_FP128Ty()) {
+ int Chunk = API.getNumWords() - 1;
- // Emit the tail padding for the long double.
- const DataLayout &TD = *AP.TM.getDataLayout();
- AP.OutStreamer.EmitZeros(TD.getTypeAllocSize(CFP->getType()) -
- TD.getTypeStoreSize(CFP->getType()), AddrSpace);
- return;
- }
+ if (TrailingBytes)
+ AP.OutStreamer.EmitIntValue(p[Chunk--], TrailingBytes, AddrSpace);
- assert(CFP->getType()->isPPC_FP128Ty() &&
- "Floating point constant type not handled");
- // All long double variants are printed as hex
- // API needed to prevent premature destruction.
- APInt API = CFP->getValueAPF().bitcastToAPInt();
- const uint64_t *p = API.getRawData();
- if (AP.TM.getDataLayout()->isBigEndian()) {
- AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
- AP.OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
+ for (; Chunk >= 0; --Chunk)
+ AP.OutStreamer.EmitIntValue(p[Chunk], sizeof(uint64_t), AddrSpace);
} else {
- AP.OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
- AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
+ unsigned Chunk;
+ for (Chunk = 0; Chunk < NumBytes / sizeof(uint64_t); ++Chunk)
+ AP.OutStreamer.EmitIntValue(p[Chunk], sizeof(uint64_t), AddrSpace);
+
+ if (TrailingBytes)
+ AP.OutStreamer.EmitIntValue(p[Chunk], TrailingBytes, AddrSpace);
}
+
+ // Emit the tail padding for the long double.
+ const DataLayout &TD = *AP.TM.getDataLayout();
+ AP.OutStreamer.EmitZeros(TD.getTypeAllocSize(CFP->getType()) -
+ TD.getTypeStoreSize(CFP->getType()), AddrSpace);
}
static void emitGlobalConstantLargeInt(const ConstantInt *CI,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-04-26 08:30:53 +0000