Fully fix Bug #22115.
Summary:
In the previous commit, the register was saved, but space was not allocated.
This resulted in the parameter save area potentially clobbering r30, leading to
nasty results.
Test Plan: Tests updated
Reviewers: hfinkel
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6906
llvm-svn: 225573
diff --git a/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.h
index 83de799..37b2ff8 100644
--- a/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.h
+++ b/llvm/lib/Target/PowerPC/PPCMachineFunctionInfo.h
@@ -35,6 +35,9 @@
/// Frame index where the old base pointer is stored.
int BasePointerSaveIndex;
+ /// Frame index where the old PIC base pointer is stored.
+ int PICBasePointerSaveIndex;
+
/// MustSaveLR - Indicates whether LR is defined (or clobbered) in the current
/// function. This is only valid after the initial scan of the function by
/// PEI.
@@ -103,6 +106,7 @@
: FramePointerSaveIndex(0),
ReturnAddrSaveIndex(0),
BasePointerSaveIndex(0),
+ PICBasePointerSaveIndex(0),
HasSpills(false),
HasNonRISpills(false),
SpillsCR(false),
@@ -128,6 +132,9 @@
int getBasePointerSaveIndex() const { return BasePointerSaveIndex; }
void setBasePointerSaveIndex(int Idx) { BasePointerSaveIndex = Idx; }
+ int getPICBasePointerSaveIndex() const { return PICBasePointerSaveIndex; }
+ void setPICBasePointerSaveIndex(int Idx) { PICBasePointerSaveIndex = Idx; }
+
unsigned getMinReservedArea() const { return MinReservedArea; }
void setMinReservedArea(unsigned size) { MinReservedArea = size; }