[ORC] Add a method to JITTargetMachineBuilder to get the default data layout
for the target machine.
This simplifies usage during setup of concurrent JIT stacks where the client
needs a DataLayout, but not a TargetMachine (TargetMachines are created on
the fly by the compile threads later).
llvm-svn: 343429
diff --git a/llvm/tools/lli/lli.cpp b/llvm/tools/lli/lli.cpp
index 9b3c747..b23733e 100644
--- a/llvm/tools/lli/lli.cpp
+++ b/llvm/tools/lli/lli.cpp
@@ -786,12 +786,7 @@
? Optional<CodeModel::Model>(CMModel)
: None);
- DataLayout DL("");
- {
- // Create a throwaway TargetMachine to get the data layout.
- auto TM = ExitOnErr(JTMB.createTargetMachine());
- DL = TM->createDataLayout();
- }
+ DataLayout DL = ExitOnErr(JTMB.getDefaultDataLayoutForTarget());
auto J = ExitOnErr(orc::LLLazyJIT::Create(std::move(JTMB), DL, LazyJITCompileThreads));
if (PerModuleLazy)