Emit trailing padding on constant vectors when TargetData says that the vector
is larger than the sum of the elements (including per-element padding).
llvm-svn: 133631
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 946018c..edfb307 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -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,
diff --git a/llvm/test/CodeGen/ARM/constants.ll b/llvm/test/CodeGen/ARM/constants.ll
index 7893df7..6090895 100644
--- a/llvm/test/CodeGen/ARM/constants.ll
+++ b/llvm/test/CodeGen/ARM/constants.ll
@@ -44,3 +44,16 @@
r:
ret void
}
+
+%t1 = type { <3 x float>, <3 x float> }
+
+@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