X86: Register the X86CallFrameOptimization pass
Summary:
The motivation of this change is to enable .mir testing for this pass.
Added one test case to cover the functionality, this same case will be improved by
a future patch.
Reviewers: igorb, guyblank, DavidKreitzer
Reviewed By: guyblank, DavidKreitzer
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D38729
llvm-svn: 316412
diff --git a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
index 765af67..c6022f0 100644
--- a/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
+++ b/llvm/lib/Target/X86/X86CallFrameOptimization.cpp
@@ -56,14 +56,23 @@
cl::desc("Avoid optimizing x86 call frames for size"),
cl::init(false), cl::Hidden);
+namespace llvm {
+void initializeX86CallFrameOptimizationPass(PassRegistry &);
+}
+
namespace {
class X86CallFrameOptimization : public MachineFunctionPass {
public:
- X86CallFrameOptimization() : MachineFunctionPass(ID) {}
+ X86CallFrameOptimization() : MachineFunctionPass(ID) {
+ initializeX86CallFrameOptimizationPass(
+ *PassRegistry::getPassRegistry());
+ }
bool runOnMachineFunction(MachineFunction &MF) override;
+ static char ID;
+
private:
// Information we know about a particular call site
struct CallContext {
@@ -120,12 +129,12 @@
MachineRegisterInfo *MRI;
unsigned SlotSize;
unsigned Log2SlotSize;
- static char ID;
};
-char X86CallFrameOptimization::ID = 0;
-
} // end anonymous namespace
+char X86CallFrameOptimization::ID = 0;
+INITIALIZE_PASS(X86CallFrameOptimization, DEBUG_TYPE,
+ "X86 Call Frame Optimization", false, false)
// This checks whether the transformation is legal.
// Also returns false in cases where it's potentially legal, but