[llvm] r194463 - XCore target: return error for unsupported alignment
Robert Lytton
robert at xmos.com
Tue Nov 12 02:11:05 PST 2013
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
+}
+
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