[WebAssembly] MC: Fix crash when -g specified.

At this point we don't output any debug sections or thier
relocations.

Differential Revision: https://reviews.llvm.org/D39076

llvm-svn: 316240

1 files changed, 5 insertions, 8 deletions

diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index f1fbc7f..e45cdee4 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -168,8 +168,7 @@ const MCExpr *TargetLoweringObjectFileELF::getTTypeGlobalReference(
                                                            MMI, Streamer);
 }
 
-static SectionKind
-getELFKindForNamedSection(StringRef Name, SectionKind K) {
+static SectionKind getELFKindForNamedSection(StringRef Name, SectionKind K) {
   // N.B.: The defaults used in here are no the same ones used in MC.
   // We follow gcc, MC follows gas. For example, given ".section .eh_frame",
   // both gas and MC will produce a section with no flags. Given
@@ -1249,7 +1248,7 @@ static const Comdat *getWasmComdat(const GlobalValue *GV) {
 MCSection *TargetLoweringObjectFileWasm::getExplicitSectionGlobal(
     const GlobalObject *GO, SectionKind Kind, const TargetMachine &TM) const {
   StringRef Name = GO->getSection();
-  return getContext().getWasmSection(Name, wasm::WASM_SEC_DATA);
+  return getContext().getWasmSection(Name, SectionKind::getData());
 }
 
 static MCSectionWasm *selectWasmSectionForGlobal(
@@ -1262,12 +1261,10 @@ static MCSectionWasm *selectWasmSectionForGlobal(
   bool UniqueSectionNames = TM.getUniqueSectionNames();
   SmallString<128> Name = getSectionPrefixForGlobal(Kind);
 
-  uint32_t Type = wasm::WASM_SEC_DATA;
   if (const auto *F = dyn_cast<Function>(GO)) {
     const auto &OptionalPrefix = F->getSectionPrefix();
     if (OptionalPrefix)
       Name += *OptionalPrefix;
-    Type = wasm::WASM_SEC_CODE;
   }
 
   if (EmitUniqueSection && UniqueSectionNames) {
@@ -1279,7 +1276,7 @@ static MCSectionWasm *selectWasmSectionForGlobal(
     UniqueID = *NextUniqueID;
     (*NextUniqueID)++;
   }
-  return Ctx.getWasmSection(Name, Type, Group, UniqueID);
+  return Ctx.getWasmSection(Name, Kind, Group, UniqueID);
 }
 
 MCSection *TargetLoweringObjectFileWasm::SelectSectionForGlobal(
@@ -1330,7 +1327,7 @@ const MCExpr *TargetLoweringObjectFileWasm::lowerRelativeReference(
 
 void TargetLoweringObjectFileWasm::InitializeWasm() {
   StaticCtorSection =
-      getContext().getWasmSection(".init_array", wasm::WASM_SEC_DATA);
+      getContext().getWasmSection(".init_array", SectionKind::getData());
   StaticDtorSection =
-      getContext().getWasmSection(".fini_array", wasm::WASM_SEC_DATA);
+      getContext().getWasmSection(".fini_array", SectionKind::getData());
 }