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[Lanai] Code model dictates section selection.

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Always use the small section when the small code model is specified.

llvm-svn: 324679
This commit is contained in:
Jacques Pienaar 2018-02-08 23:25:05 +00:00
parent 6e140ec77e
commit 4e970bbb3e
1 changed files with 5 additions and 7 deletions
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12
lib/Target/Lanai/LanaiTargetObjectFile.cpp
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@ -50,8 +50,7 @@ static bool isInSmallSection(uint64_t Size) {
// section.
bool LanaiTargetObjectFile::isGlobalInSmallSection(
const GlobalObject *GO, const TargetMachine &TM) const {
if (GO == nullptr)
return false;
if (GO == nullptr) return TM.getCodeModel() == CodeModel::Small;
// We first check the case where global is a declaration, because finding
// section kind using getKindForGlobal() is only allowed for global
@ -67,8 +66,7 @@ bool LanaiTargetObjectFile::isGlobalInSmallSection(
bool LanaiTargetObjectFile::isGlobalInSmallSection(const GlobalObject *GO,
const TargetMachine &TM,
SectionKind Kind) const {
return (isGlobalInSmallSectionImpl(GO, TM) &&
(Kind.isData() || Kind.isBSS() || Kind.isCommon()));
return isGlobalInSmallSectionImpl(GO, TM);
}
// Return true if this global address should be placed into small data/bss
@ -76,10 +74,10 @@ bool LanaiTargetObjectFile::isGlobalInSmallSection(const GlobalObject *GO,
// kind.
bool LanaiTargetObjectFile::isGlobalInSmallSectionImpl(
const GlobalObject *GO, const TargetMachine &TM) const {
// Only global variables, not functions.
const auto *GVA = dyn_cast<GlobalVariable>(GO);
if (!GVA)
return false;
// If not a GlobalVariable, only consider the code model.
if (!GVA) return TM.getCodeModel() == CodeModel::Small;
// Global values placed in sections starting with .ldata do not fit in
// 21-bits, so always use large memory access for them. FIXME: This is a