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Reorder a field to reduce the size of StackObject. Note that this

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may require a clean rebuild on leopard. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46360 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-01-25 17:49:41 +00:00
parent a699574651
commit 88d480b552
1 changed files with 19 additions and 10 deletions
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29
include/llvm/CodeGen/MachineFrameInfo.h
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@ -6,7 +6,10 @@
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// The file defines the MachineFrameInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHINEFRAMEINFO_H
#define LLVM_CODEGEN_MACHINEFRAMEINFO_H
@ -83,17 +86,17 @@ class MachineFrameInfo {
// Alignment - The required alignment of this stack slot.
unsigned Alignment;
// SPOffset - The offset of this object from the stack pointer on entry to
// the function. This field has no meaning for a variable sized element.
int64_t SPOffset;
// isImmutable - If true, the value of the stack object is set before
// entering the function and is not modified inside the function. By
// default, fixed objects are immutable unless marked otherwise.
bool isImmutable;
// SPOffset - The offset of this object from the stack pointer on entry to
// the function. This field has no meaning for a variable sized element.
int64_t SPOffset;
StackObject(uint64_t Sz, unsigned Al, int64_t SP, bool IM = false)
: Size(Sz), Alignment(Al), SPOffset(SP), isImmutable(IM) {}
: Size(Sz), Alignment(Al), isImmutable(IM), SPOffset(SP) {}
};
/// Objects - The list of stack objects allocated...
@ -194,13 +197,15 @@ public:
/// getObjectSize - Return the size of the specified object
///
int64_t getObjectSize(int ObjectIdx) const {
assert(ObjectIdx+NumFixedObjects < Objects.size() && "Invalid Object Idx!");
assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
return Objects[ObjectIdx+NumFixedObjects].Size;
}
/// getObjectAlignment - Return the alignment of the specified stack object...
int getObjectAlignment(int ObjectIdx) const {
assert(ObjectIdx+NumFixedObjects < Objects.size() && "Invalid Object Idx!");
assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
return Objects[ObjectIdx+NumFixedObjects].Alignment;
}
@ -208,7 +213,8 @@ public:
/// from the incoming stack pointer.
///
int64_t getObjectOffset(int ObjectIdx) const {
assert(ObjectIdx+NumFixedObjects < Objects.size() && "Invalid Object Idx!");
assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
return Objects[ObjectIdx+NumFixedObjects].SPOffset;
}
@ -216,7 +222,8 @@ public:
/// offset is relative to the stack pointer on entry to the function.
///
void setObjectOffset(int ObjectIdx, int64_t SPOffset) {
assert(ObjectIdx+NumFixedObjects < Objects.size() && "Invalid Object Idx!");
assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
Objects[ObjectIdx+NumFixedObjects].SPOffset = SPOffset;
}
@ -280,6 +287,8 @@ public:
/// isImmutableObjectIndex - Returns true if the specified index corresponds
/// to an immutable object.
bool isImmutableObjectIndex(int ObjectIdx) const {
assert(unsigned(ObjectIdx+NumFixedObjects) < Objects.size() &&
"Invalid Object Idx!");
return Objects[ObjectIdx+NumFixedObjects].isImmutable;
}