summaryrefslogtreecommitdiff
path: root/lib/Target/SystemZ/SystemZTargetMachine.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/SystemZ/SystemZTargetMachine.cpp')
-rw-r--r--lib/Target/SystemZ/SystemZTargetMachine.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZTargetMachine.cpp b/lib/Target/SystemZ/SystemZTargetMachine.cpp
new file mode 100644
index 0000000000..8c4c456ef5
--- /dev/null
+++ b/lib/Target/SystemZ/SystemZTargetMachine.cpp
@@ -0,0 +1,60 @@
+//===-- SystemZTargetMachine.cpp - Define TargetMachine for SystemZ -------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "SystemZTargetMachine.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
+
+extern "C" void LLVMInitializeSystemZTarget() {
+ // Register the target.
+ RegisterTargetMachine<SystemZTargetMachine> X(TheSystemZTarget);
+}
+
+SystemZTargetMachine::SystemZTargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ const TargetOptions &Options,
+ Reloc::Model RM,
+ CodeModel::Model CM,
+ CodeGenOpt::Level OL)
+ : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+ Subtarget(TT, CPU, FS),
+ // Make sure that global data has at least 16 bits of alignment by default,
+ // so that we can refer to it using LARL. We don't have any special
+ // requirements for stack variables though.
+ DL("E-p:64:64:64-i1:8:16-i8:8:16-i16:16-i32:32-i64:64"
+ "-f32:32-f64:64-f128:64-a0:8:16-n32:64"),
+ InstrInfo(*this), TLInfo(*this), TSInfo(*this),
+ FrameLowering(*this, Subtarget) {
+}
+
+namespace {
+/// SystemZ Code Generator Pass Configuration Options.
+class SystemZPassConfig : public TargetPassConfig {
+public:
+ SystemZPassConfig(SystemZTargetMachine *TM, PassManagerBase &PM)
+ : TargetPassConfig(TM, PM) {}
+
+ SystemZTargetMachine &getSystemZTargetMachine() const {
+ return getTM<SystemZTargetMachine>();
+ }
+
+ virtual bool addInstSelector();
+};
+} // end anonymous namespace
+
+bool SystemZPassConfig::addInstSelector() {
+ addPass(createSystemZISelDag(getSystemZTargetMachine(), getOptLevel()));
+ return false;
+}
+
+TargetPassConfig *SystemZTargetMachine::createPassConfig(PassManagerBase &PM) {
+ return new SystemZPassConfig(this, PM);
+}