[llvm-commits] [llvm] r133631 - in /llvm/trunk: lib/CodeGen/AsmPrinter/AsmPrinter.cpp test/CodeGen/ARM/constants.ll

[Nick Lewycky]

Author: nicholas
Date: Wed Jun 22 13:55:03 2011
New Revision: 133631

URL: http://llvm.org/viewvc/llvm-project?rev=133631&view=rev
Log:
Emit trailing padding on constant vectors when TargetData says that the vector
is larger than the sum of the elements (including per-element padding).

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
    llvm/trunk/test/CodeGen/ARM/constants.ll

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=133631&r1=133630&r2=133631&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Wed Jun 22 13:55:03 2011
@@ -1516,6 +1516,13 @@
                                      unsigned AddrSpace, AsmPrinter &AP) {
   for (unsigned i = 0, e = CV->getType()->getNumElements(); i != e; ++i)
     EmitGlobalConstantImpl(CV->getOperand(i), AddrSpace, AP);
+
+  const TargetData &TD = *AP.TM.getTargetData();
+  unsigned Size = TD.getTypeAllocSize(CV->getType());
+  unsigned EmittedSize = TD.getTypeAllocSize(CV->getType()->getElementType()) *
+                         CV->getType()->getNumElements();
+  if (unsigned Padding = Size - EmittedSize)
+    AP.OutStreamer.EmitZeros(Padding, AddrSpace);
 }
 
 static void EmitGlobalConstantStruct(const ConstantStruct *CS,

Modified: llvm/trunk/test/CodeGen/ARM/constants.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/constants.ll?rev=133631&r1=133630&r2=133631&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/constants.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/constants.ll Wed Jun 22 13:55:03 2011
@@ -44,3 +44,16 @@
 r:
         ret void
 }
+
+%t1 = type { <3 x float>, <3 x float> }
+
+ at const1 = global %t1 { <3 x float> zeroinitializer,
+                       <3 x float> <float 1.000000e+00,
+                                    float 2.000000e+00,
+                                    float 3.000000e+00> }, align 16
+; CHECK: const1
+; CHECK: .zero 16
+; CHECK: float 1.0
+; CHECK: float 2.0
+; CHECK: float 3.0
+; CHECK: .zero 4