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Diffstat (limited to 'lib/CodeGen/AsmPrinter.cpp')
-rw-r--r--lib/CodeGen/AsmPrinter.cpp30
1 files changed, 22 insertions, 8 deletions
diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 7a01a87872..9cdae34833 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -39,7 +39,8 @@ AsmVerbose("asm-verbose", cl::Hidden, cl::desc("Add comments to directives."));
char AsmPrinter::ID = 0;
AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm,
const TargetAsmInfo *T)
- : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), TM(tm), TAI(T)
+ : MachineFunctionPass((intptr_t)&ID), FunctionNumber(0), O(o), TM(tm), TAI(T),
+ IsInTextSection(false)
{}
std::string AsmPrinter::getSectionForFunction(const Function &F) const {
@@ -69,6 +70,8 @@ void AsmPrinter::SwitchToTextSection(const char *NewSection,
if (!CurrentSection.empty())
O << CurrentSection << TAI->getTextSectionStartSuffix() << '\n';
+
+ IsInTextSection = true;
}
/// SwitchToDataSection - Switch to the specified data section of the executable
@@ -93,6 +96,8 @@ void AsmPrinter::SwitchToDataSection(const char *NewSection,
if (!CurrentSection.empty())
O << CurrentSection << TAI->getDataSectionStartSuffix() << '\n';
+
+ IsInTextSection = false;
}
@@ -344,7 +349,7 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
O << TAI->getPrivateGlobalPrefix() << getFunctionNumber()
<< '_' << uid << "_set_" << MBB->getNumber();
} else {
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
// If the arch uses custom Jump Table directives, don't calc relative to
// JT
if (!HadJTEntryDirective)
@@ -352,7 +357,7 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
<< getFunctionNumber() << '_' << uid;
}
} else {
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
}
}
@@ -679,8 +684,7 @@ void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const {
// Align = std::max(Align, ForcedAlignBits);
//
void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
- unsigned ForcedAlignBits, bool UseFillExpr,
- unsigned FillValue) const {
+ unsigned ForcedAlignBits) const {
if (GV && GV->getAlignment())
NumBits = Log2_32(GV->getAlignment());
NumBits = std::max(NumBits, ForcedAlignBits);
@@ -688,6 +692,9 @@ void AsmPrinter::EmitAlignment(unsigned NumBits, const GlobalValue *GV,
if (NumBits == 0) return; // No need to emit alignment.
if (TAI->getAlignmentIsInBytes()) NumBits = 1 << NumBits;
O << TAI->getAlignDirective() << NumBits;
+
+ unsigned FillValue = TAI->getTextAlignFillValue();
+ bool UseFillExpr = IsInTextSection && FillValue;
if (UseFillExpr) O << ",0x" << std::hex << FillValue << std::dec;
O << "\n";
}
@@ -1252,7 +1259,7 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
if (Modifier[0]=='l') // labels are target independent
printBasicBlockLabel(MI->getOperand(OpNo).getMBB(),
- false, false);
+ false, false, false);
else {
AsmPrinter *AP = const_cast<AsmPrinter*>(this);
if ((OpFlags & 7) == 4 /*ADDR MODE*/) {
@@ -1318,8 +1325,15 @@ bool AsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
/// printBasicBlockLabel - This method prints the label for the specified
/// MachineBasicBlock
void AsmPrinter::printBasicBlockLabel(const MachineBasicBlock *MBB,
+ bool printAlign,
bool printColon,
bool printComment) const {
+ if (printAlign) {
+ unsigned Align = MBB->getAlignment();
+ if (Align)
+ EmitAlignment(Log2_32(Align));
+ }
+
O << TAI->getPrivateGlobalPrefix() << "BB" << getFunctionNumber() << "_"
<< MBB->getNumber();
if (printColon)
@@ -1338,7 +1352,7 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid,
O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '\n';
}
@@ -1351,7 +1365,7 @@ void AsmPrinter::printPICJumpTableSetLabel(unsigned uid, unsigned uid2,
O << TAI->getSetDirective() << ' ' << TAI->getPrivateGlobalPrefix()
<< getFunctionNumber() << '_' << uid << '_' << uid2
<< "_set_" << MBB->getNumber() << ',';
- printBasicBlockLabel(MBB, false, false);
+ printBasicBlockLabel(MBB, false, false, false);
O << '-' << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << uid << '_' << uid2 << '\n';
}