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[ExecutionEngine] After a heroic dev-meeting hack session, the JIT supports TLS.

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Turns on EmulatedTLS support by default in EngineBuilder. ;)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316200 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames 2017-10-20 00:53:16 +00:00
parent f56176dd98
commit 801676c9c6
4 changed files with 27 additions and 1 deletions
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5
include/llvm/ExecutionEngine/ExecutionEngine.h
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@ -541,6 +541,7 @@ private:
SmallVector<std::string, 4> MAttrs; SmallVector<std::string, 4> MAttrs;
bool VerifyModules; bool VerifyModules;
bool UseOrcMCJITReplacement; bool UseOrcMCJITReplacement;
bool EmulatedTLS = true;
public: public:
/// Default constructor for EngineBuilder. /// Default constructor for EngineBuilder.
@ -641,6 +642,10 @@ public:
this->UseOrcMCJITReplacement = UseOrcMCJITReplacement; this->UseOrcMCJITReplacement = UseOrcMCJITReplacement;
} }
void setEmulatedTLS(bool EmulatedTLS) {
this->EmulatedTLS = EmulatedTLS;
}
TargetMachine *selectTarget(); TargetMachine *selectTarget();
/// selectTarget - Pick a target either via -march or by guessing the native /// selectTarget - Pick a target either via -march or by guessing the native

3
lib/ExecutionEngine/TargetSelect.cpp
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@ -95,7 +95,8 @@ TargetMachine *EngineBuilder::selectTarget(const Triple &TargetTriple,
TargetMachine *Target = TargetMachine *Target =
TheTarget->createTargetMachine(TheTriple.getTriple(), MCPU, FeaturesStr, TheTarget->createTargetMachine(TheTriple.getTriple(), MCPU, FeaturesStr,
Options, RelocModel, CMModel, OptLevel, Options, RelocModel, CMModel, OptLevel,
/*JIT*/ true); /*JIT*/ true);
Target->Options.EmulatedTLS = EmulatedTLS;
assert(Target && "Could not allocate target machine!"); assert(Target && "Could not allocate target machine!");
return Target; return Target;
} }

10
test/ExecutionEngine/MCJIT/tlvtest.ll Normal file
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@ -0,0 +1,10 @@
; RUN: %lli %s > /dev/null
@x = thread_local local_unnamed_addr global i32 0
define i32 @main() {
entry:
store i32 42, i32* @x
ret i32 0
}

10
test/ExecutionEngine/OrcMCJIT/tlvtest.ll Normal file
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@ -0,0 +1,10 @@
; RUN: %lli %s > /dev/null
@x = thread_local local_unnamed_addr global i32 0
define i32 @main() {
entry:
store i32 42, i32* @x
ret i32 0
}