simplify getSectionForMergableConstant to take a SectionKind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77134 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 30 insertions, 9 deletions

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 582acce0da..e12a0f2f0e 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -301,17 +301,28 @@ void AsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
   const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
   if (CP.empty()) return;
 
-  const TargetData &TD = *TM.getTargetData();
-  
   // Calculate sections for constant pool entries. We collect entries to go into
   // the same section together to reduce amount of section switch statements.
   SmallVector<SectionCPs, 4> CPSections;
   for (unsigned i = 0, e = CP.size(); i != e; ++i) {
     const MachineConstantPoolEntry &CPE = CP[i];
     unsigned Align = CPE.getAlignment();
-    uint64_t Size = TD.getTypeAllocSize(CPE.getType());
-    const Section *S =
-      TAI->getSectionForMergableConstant(Size, CPE.getRelocationInfo());
+    
+    SectionKind Kind;
+    switch (CPE.getRelocationInfo()) {
+    default: llvm_unreachable("Unknown section kind");
+    case 2: Kind = SectionKind::getReadOnlyWithRel(); break;
+    case 1: Kind = SectionKind::getReadOnlyWithRelLocal(); break;
+    case 0:
+      switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) {
+      case 4:   Kind = SectionKind::getMergableConst4(); break;
+      case 8:   Kind = SectionKind::getMergableConst8(); break;
+      case 16:  Kind = SectionKind::getMergableConst16(); break;
+      default:  Kind = SectionKind::getMergableConst(); break;
+      }
+    }
+
+    const Section *S = TAI->getSectionForMergableConstant(Kind);
     
     // The number of sections are small, just do a linear search from the
     // last section to the first.
diff --git a/lib/CodeGen/ELFWriter.cpp b/lib/CodeGen/ELFWriter.cpp
index 45658e0612..47789c1ffe 100644
--- a/lib/CodeGen/ELFWriter.cpp
+++ b/lib/CodeGen/ELFWriter.cpp
@@ -29,7 +29,6 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "elfwriter"
-
 #include "ELF.h"
 #include "ELFWriter.h"
 #include "ELFCodeEmitter.h"
@@ -155,10 +154,21 @@ ELFSection &ELFWriter::getJumpTableSection() {
 
 // Get a constant pool section based on the section name returned by TAI
 ELFSection &ELFWriter::getConstantPoolSection(MachineConstantPoolEntry &CPE) {
-  uint64_t Size = TM.getTargetData()->getTypeAllocSize(CPE.getType());
+  SectionKind Kind;
+  switch (CPE.getRelocationInfo()) {
+  default: llvm_unreachable("Unknown section kind");
+  case 2: Kind = SectionKind::getReadOnlyWithRel(); break;
+  case 1: Kind = SectionKind::getReadOnlyWithRelLocal(); break;
+  case 0:
+    switch (TM.getTargetData()->getTypeAllocSize(CPE.getType())) {
+    case 4:   Kind = SectionKind::getMergableConst4(); break;
+    case 8:   Kind = SectionKind::getMergableConst8(); break;
+    case 16:  Kind = SectionKind::getMergableConst16(); break;
+    default:  Kind = SectionKind::getMergableConst(); break;
+    }
+  }
   
-  std::string CstPoolName =
-    TAI->getSectionForMergableConstant(Size,CPE.getRelocationInfo())->getName();
+  std::string CstPoolName = TAI->getSectionForMergableConstant(Kind)->getName();
   return getSection(CstPoolName,
                     ELFSection::SHT_PROGBITS,
                     ELFSection::SHF_MERGE | ELFSection::SHF_ALLOC,