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Stack objects have nonnegative indices, not just positive indices.

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llvm-svn: 53418
This commit is contained in:
Dan Gohman 2008-07-10 19:57:25 +00:00
parent bb0847c84c
commit b379840cf7
1 changed files with 2 additions and 2 deletions
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4
include/llvm/CodeGen/MachineFrameInfo.h
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@ -55,7 +55,7 @@ public:
///
/// To support this, the class assigns unique integer identifiers to stack
/// objects requested clients. These identifiers are negative integers for
/// fixed stack objects (such as arguments passed on the stack) or positive
/// fixed stack objects (such as arguments passed on the stack) or nonnegative
/// for objects that may be reordered. Instructions which refer to stack
/// objects use a special MO_FrameIndex operand to represent these frame
/// indexes.
@ -327,7 +327,7 @@ public:
}
/// CreateStackObject - Create a new statically sized stack object, returning
/// a postive identifier to represent it.
/// a nonnegative identifier to represent it.
///
int CreateStackObject(uint64_t Size, unsigned Alignment) {
assert(Size != 0 && "Cannot allocate zero size stack objects!");