prep work to support a future where getJumpTableInfo will return
a null pointer for functions with no jump tables. No functionality
change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94469 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ELFCodeEmitter.cpp b/lib/CodeGen/ELFCodeEmitter.cpp
index 11a85a0..8416d3b 100644
--- a/lib/CodeGen/ELFCodeEmitter.cpp
+++ b/lib/CodeGen/ELFCodeEmitter.cpp
@@ -62,7 +62,8 @@
// They need to be emitted before the function because in some targets
// the later may reference JT or CP entry address.
emitConstantPool(MF.getConstantPool());
- emitJumpTables(MF.getJumpTableInfo());
+ if (MF.getJumpTableInfo())
+ emitJumpTables(MF.getJumpTableInfo());
}
/// finishFunction - This callback is invoked after the function is completely
@@ -84,7 +85,7 @@
// Patch up Jump Table Section relocations to use the real MBBs offsets
// now that the MBB label offsets inside the function are known.
- if (!MF.getJumpTableInfo()->isEmpty()) {
+ if (MF.getJumpTableInfo()) {
ELFSection &JTSection = EW.getJumpTableSection();
for (std::vector<MachineRelocation>::iterator MRI = JTRelocations.begin(),
MRE = JTRelocations.end(); MRI != MRE; ++MRI) {
@@ -172,7 +173,7 @@
"PIC codegen not yet handled for elf jump tables!");
const TargetELFWriterInfo *TEW = TM.getELFWriterInfo();
- unsigned EntrySize = MJTI->getEntrySize();
+ unsigned EntrySize = 4; //MJTI->getEntrySize();
// Get the ELF Section to emit the jump table
ELFSection &JTSection = EW.getJumpTableSection();