[ELF][Hexagon] typeZeroFillQuick is not associated with bss section.

We need to increase the memory and the filesize when we add a typeZeroFillQuick
atom.

llvm-svn: 200369

lld/lib/ReaderWriter/ELF/SectionChunks.h

@@ -288,6 +288,7 @@ const lld::AtomLayout &AtomSection<ELFT>::appendAtom(const Atom *atom) {
     case DefinedAtom::typeConstant:
     case DefinedAtom::typeData:
     case DefinedAtom::typeDataFast:
+    case DefinedAtom::typeZeroFillFast:
     case DefinedAtom::typeGOT:
     case DefinedAtom::typeStub:
     case DefinedAtom::typeResolver:
@@ -312,7 +313,6 @@ const lld::AtomLayout &AtomSection<ELFT>::appendAtom(const Atom *atom) {
       break;
     case DefinedAtom::typeThreadZeroFill:
     case DefinedAtom::typeZeroFill:
-    case DefinedAtom::typeZeroFillFast:
       _atoms.push_back(new (_alloc) lld::AtomLayout(atom, mOffset, 0));
       this->_msize = mOffset + definedAtom->size();
       break;

lld/test/elf/Hexagon/Inputs/sdata1.c

+static int a = 0;
+
+int b = 10;

lld/test/elf/Hexagon/Inputs/sdata2.c

+int sdata1 = 10;
+int sdata2 = 20;
+int sdata3 = 30;
+
+int sbss1 = 0;
+

lld/test/elf/Hexagon/zerofillquick-sdata.test

+# This tests that a typeZeroFillFast atom is associated with a section that has
+# the correct memory size. 
+
+RUN: lld -flavor gnu -target hexagon %p/Inputs/sdata1.o %p/Inputs/sdata2.o \
+RUN:    -o %t --noinhibit-exec -static
+RUN: llvm-readobj -sections %t | FileCheck -check-prefix=CHECKSECTIONSANDSIZE %s
+
+CHECKSECTIONSANDSIZE:  Section {
+CHECKSECTIONSANDSIZE:    Name: .sdata (13)
+CHECKSECTIONSANDSIZE:    Address: 0x1000
+CHECKSECTIONSANDSIZE:    Offset: 0x1000
+CHECKSECTIONSANDSIZE:    Size: 20
+CHECKSECTIONSANDSIZE:  }
+CHECKSECTIONSANDSIZE:  Section {
+CHECKSECTIONSANDSIZE:    Name: .bss (20)
+CHECKSECTIONSANDSIZE:    Address: 0x1018
+CHECKSECTIONSANDSIZE:    Offset: 0x1018
+CHECKSECTIONSANDSIZE:  }