diff options
Diffstat (limited to 'lib/CodeGen/PrologEpilogInserter.cpp')
| -rw-r--r-- | lib/CodeGen/PrologEpilogInserter.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/PrologEpilogInserter.cpp b/lib/CodeGen/PrologEpilogInserter.cpp index 226e1ba..b568ad8 100644 --- a/lib/CodeGen/PrologEpilogInserter.cpp +++ b/lib/CodeGen/PrologEpilogInserter.cpp @@ -471,11 +471,12 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) { // Start at the beginning of the local area. // The Offset is the distance from the stack top in the direction // of stack growth -- so it's always nonnegative. - int64_t Offset = TFI.getOffsetOfLocalArea(); + int LocalAreaOffset = TFI.getOffsetOfLocalArea(); if (StackGrowsDown) - Offset = -Offset; - assert(Offset >= 0 + LocalAreaOffset = -LocalAreaOffset; + assert(LocalAreaOffset >= 0 && "Local area offset should be in direction of stack growth"); + int64_t Offset = LocalAreaOffset; // If there are fixed sized objects that are preallocated in the local area, // non-fixed objects can't be allocated right at the start of local area. @@ -588,7 +589,7 @@ void PEI::calculateFrameObjectOffsets(MachineFunction &Fn) { } // Update frame info to pretend that this is part of the stack... - FFI->setStackSize(Offset+TFI.getOffsetOfLocalArea()); + FFI->setStackSize(Offset - LocalAreaOffset); // Remember the required stack alignment in case targets need it to perform // dynamic stack alignment. |