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Teach emitAlignment to handle explicit alignment requests by globals. 

llvm-svn: 24354
This commit is contained in:
Chris Lattner 2005-11-14 19:00:06 +00:00
parent 0aacd2ab9b
commit dd8eeed096
2 changed files with 6 additions and 3 deletions
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5
llvm/include/llvm/CodeGen/AsmPrinter.h
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@ -137,8 +137,9 @@ namespace llvm {
/// emitAlignment - Emit an alignment directive to the specified power of
/// two boundary. For example, if you pass in 3 here, you will get an 8
/// byte alignment.
void emitAlignment(unsigned NumBits) const;
/// byte alignment. If a global value is specified, and if that global has
/// an explicit alignment requested, it will override the alignment request.
void emitAlignment(unsigned NumBits, const GlobalValue *GV = 0) const;
/// emitZeros - Emit a block of zeros.
///

4
llvm/lib/CodeGen/AsmPrinter.cpp
View File

@ -35,7 +35,9 @@ void AsmPrinter::setupMachineFunction(MachineFunction &MF) {
}
// emitAlignment - Emit an alignment directive to the specified power of two.
void AsmPrinter::emitAlignment(unsigned NumBits) const {
void AsmPrinter::emitAlignment(unsigned NumBits, const GlobalValue *GV) const {
if (GV && GV->getAlignment())
NumBits = Log2_32(GV->getAlignment());
if (NumBits == 0) return; // No need to emit alignment.
if (AlignmentIsInBytes) NumBits = 1 << NumBits;
O << AlignDirective << NumBits << "\n";