[llvm] r194463 - XCore target: return error for unsupported alignment

[Robert Lytton]

Author: rlytton
Date: Tue Nov 12 04:11:05 2013
New Revision: 194463

URL: http://llvm.org/viewvc/llvm-project?rev=194463&view=rev
Log:
XCore target: return error for unsupported alignment

Added:
    llvm/trunk/test/CodeGen/XCore/alignment.ll
Modified:
    llvm/trunk/lib/Target/XCore/XCoreFrameLowering.cpp

Modified: llvm/trunk/lib/Target/XCore/XCoreFrameLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/XCore/XCoreFrameLowering.cpp?rev=194463&r1=194462&r2=194463&view=diff
==============================================================================
--- llvm/trunk/lib/Target/XCore/XCoreFrameLowering.cpp (original)
+++ llvm/trunk/lib/Target/XCore/XCoreFrameLowering.cpp Tue Nov 12 04:11:05 2013
@@ -93,6 +93,10 @@ void XCoreFrameLowering::emitPrologue(Ma
   XCoreFunctionInfo *XFI = MF.getInfo<XCoreFunctionInfo>();
   DebugLoc dl = MBBI != MBB.end() ? MBBI->getDebugLoc() : DebugLoc();
 
+  if (MFI->getMaxAlignment() > getStackAlignment())
+    report_fatal_error("emitPrologue unsupported alignment: "
+                       + Twine(MFI->getMaxAlignment()));
+
   bool FP = hasFP(MF);
   const AttributeSet &PAL = MF.getFunction()->getAttributes();
 

Added: llvm/trunk/test/CodeGen/XCore/alignment.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/XCore/alignment.ll?rev=194463&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/XCore/alignment.ll (added)
+++ llvm/trunk/test/CodeGen/XCore/alignment.ll Tue Nov 12 04:11:05 2013
@@ -0,0 +1,9 @@
+; RUN: not llc < %s -march=xcore 2>&1 | FileCheck %s
+
+; CHECK: emitPrologue unsupported alignment: 8
+define void @f() nounwind {
+entry:
+  %BadAlignment = alloca i64, align 8
+  ret void
+}
+