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Emit trailing padding on constant vectors when TargetData says that the vector

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is larger than the sum of the elements (including per-element padding).

llvm-svn: 133631
This commit is contained in:
Nick Lewycky 2011-06-22 18:55:03 +00:00
parent da4d209996
commit bf55e4b776
2 changed files with 20 additions and 0 deletions
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7
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -1516,6 +1516,13 @@ static void EmitGlobalConstantVector(const ConstantVector *CV,
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,

13
test/CodeGen/ARM/constants.ll
View File

@ -44,3 +44,16 @@ define void @f7(i32 %a) {
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