Fix setting and default setting of code model for jit. Do this
by allowing backends to override routines that will default
the JIT and Static code generation to an appropriate code model
for the architecture.
Should fix PR 5773.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91824 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 297dd31..d5fd051 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -83,7 +83,18 @@
AsmInfo = T.createAsmInfo(TargetTriple);
}
+// Set the default code model for the JIT for a generic target.
+// FIXME: Is small right here? or .is64Bit() ? Large : Small?
+void
+LLVMTargetMachine::setCodeModelForJIT() {
+ setCodeModel(CodeModel::Small);
+}
+// Set the default code model for static compilation for a generic target.
+void
+LLVMTargetMachine::setCodeModelForStatic() {
+ setCodeModel(CodeModel::Small);
+}
FileModel::Model
LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
@@ -130,6 +141,9 @@
bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
MachineCodeEmitter *MCE,
CodeGenOpt::Level OptLevel) {
+ // Make sure the code model is set.
+ setCodeModelForStatic();
+
if (MCE)
addSimpleCodeEmitter(PM, OptLevel, *MCE);
if (PrintEmittedAsm)
@@ -146,6 +160,9 @@
bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
JITCodeEmitter *JCE,
CodeGenOpt::Level OptLevel) {
+ // Make sure the code model is set.
+ setCodeModelForJIT();
+
if (JCE)
addSimpleCodeEmitter(PM, OptLevel, *JCE);
if (PrintEmittedAsm)
@@ -162,6 +179,9 @@
bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
ObjectCodeEmitter *OCE,
CodeGenOpt::Level OptLevel) {
+ // Make sure the code model is set.
+ setCodeModelForStatic();
+
if (OCE)
addSimpleCodeEmitter(PM, OptLevel, *OCE);
if (PrintEmittedAsm)
@@ -181,6 +201,9 @@
bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
MachineCodeEmitter &MCE,
CodeGenOpt::Level OptLevel) {
+ // Make sure the code model is set.
+ setCodeModelForJIT();
+
// Add common CodeGen passes.
if (addCommonCodeGenPasses(PM, OptLevel))
return true;
@@ -203,6 +226,9 @@
bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
JITCodeEmitter &JCE,
CodeGenOpt::Level OptLevel) {
+ // Make sure the code model is set.
+ setCodeModelForJIT();
+
// Add common CodeGen passes.
if (addCommonCodeGenPasses(PM, OptLevel))
return true;