It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMachOWriterInfo.h b/lib/Target/PowerPC/PPCMachOWriterInfo.h
new file mode 100644
index 0000000..69ed9f7
--- /dev/null
+++ b/lib/Target/PowerPC/PPCMachOWriterInfo.h
@@ -0,0 +1,55 @@
+//===-- PPCMachOWriterInfo.h - Mach-O Writer Info for PowerPC ---*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by Bill Wendling and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements Mach-O writer information for the PowerPC backend.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PPC_MACHO_WRITER_INFO_H
+#define PPC_MACHO_WRITER_INFO_H
+
+#include "llvm/Target/TargetMachOWriterInfo.h"
+
+namespace llvm {
+
+ // Forward declarations
+ class MachineRelocation;
+ class OutputBuffer;
+ class PPCTargetMachine;
+
+ class PPCMachOWriterInfo : public TargetMachOWriterInfo {
+ public:
+ PPCMachOWriterInfo(const PPCTargetMachine &TM);
+ virtual ~PPCMachOWriterInfo();
+
+ virtual unsigned GetTargetRelocation(MachineRelocation &MR,
+ unsigned FromIdx,
+ unsigned ToAddr,
+ unsigned ToIdx,
+ OutputBuffer &RelocOut,
+ OutputBuffer &SecOut,
+ bool Scattered, bool Extern) const;
+
+ // Constants for the relocation r_type field.
+ // See <mach-o/ppc/reloc.h>
+ enum {
+ PPC_RELOC_VANILLA, // generic relocation
+ PPC_RELOC_PAIR, // the second relocation entry of a pair
+ PPC_RELOC_BR14, // 14 bit branch displacement to word address
+ PPC_RELOC_BR24, // 24 bit branch displacement to word address
+ PPC_RELOC_HI16, // a PAIR follows with the low 16 bits
+ PPC_RELOC_LO16, // a PAIR follows with the high 16 bits
+ PPC_RELOC_HA16, // a PAIR follows, which is sign extended to 32b
+ PPC_RELOC_LO14 // LO16 with low 2 bits implicitly zero
+ };
+ };
+
+} // end llvm namespace
+
+#endif // PPC_MACHO_WRITER_INFO_H