Fix the allocation of shadow space for the Win64 calling convention
in X86FastISel. Patch by Jan Sjodin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105290 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 33a1919..47ee820 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -1391,6 +1391,12 @@
// Analyze operands of the call, assigning locations to each operand.
SmallVector<CCValAssign, 16> ArgLocs;
CCState CCInfo(CC, false, TM, ArgLocs, I->getParent()->getContext());
+
+ // Allocate shadow area for Win64
+ if (Subtarget->isTargetWin64()) {
+ CCInfo.AllocateStack(32, 8);
+ }
+
CCInfo.AnalyzeCallOperands(ArgVTs, ArgFlags, CCAssignFnForCall(CC));
// Get a count of how many bytes are to be pushed on the stack.