[llvm] 5b7fa4a - VE: Register null MCTargetStreamer

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2023-04-26T19:27:11-04:00
New Revision: 5b7fa4a48d4e1dc5d412add989ce5c1b2dc7a448

URL: https://github.com/llvm/llvm-project/commit/5b7fa4a48d4e1dc5d412add989ce5c1b2dc7a448
DIFF: https://github.com/llvm/llvm-project/commit/5b7fa4a48d4e1dc5d412add989ce5c1b2dc7a448.diff

LOG: VE: Register null MCTargetStreamer

Added: 
    llvm/test/CodeGen/VE/null-mctargetstreamer.ll

Modified: 
    llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp
    llvm/lib/Target/VE/MCTargetDesc/VETargetStreamer.h

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp b/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp
index 5a562d77f941b..6611e4c42eb2b 100644
--- a/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp
+++ b/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.cpp
@@ -73,6 +73,10 @@ static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S,
   return new VETargetAsmStreamer(S, OS);
 }
 
+static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) {
+  return new VETargetStreamer(S);
+}
+
 static MCInstPrinter *createVEMCInstPrinter(const Triple &T,
                                             unsigned SyntaxVariant,
                                             const MCAsmInfo &MAI,
@@ -108,6 +112,9 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeVETargetMC() {
     // Register the asm streamer.
     TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer);
 
+    // Register the null streamer.
+    TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer);
+
     // Register the MCInstPrinter
     TargetRegistry::RegisterMCInstPrinter(*T, createVEMCInstPrinter);
   }

diff  --git a/llvm/lib/Target/VE/MCTargetDesc/VETargetStreamer.h b/llvm/lib/Target/VE/MCTargetDesc/VETargetStreamer.h
index 1704e0b585591..ab85c29aaaf50 100644
--- a/llvm/lib/Target/VE/MCTargetDesc/VETargetStreamer.h
+++ b/llvm/lib/Target/VE/MCTargetDesc/VETargetStreamer.h
@@ -20,9 +20,9 @@ class VETargetStreamer : public MCTargetStreamer {
 public:
   VETargetStreamer(MCStreamer &S);
   /// Emit ".register <reg>, #ignore".
-  virtual void emitVERegisterIgnore(unsigned reg) = 0;
+  virtual void emitVERegisterIgnore(unsigned reg){};
   /// Emit ".register <reg>, #scratch".
-  virtual void emitVERegisterScratch(unsigned reg) = 0;
+  virtual void emitVERegisterScratch(unsigned reg){};
 };
 
 // This part is for ascii assembly output

diff  --git a/llvm/test/CodeGen/VE/null-mctargetstreamer.ll b/llvm/test/CodeGen/VE/null-mctargetstreamer.ll
new file mode 100644
index 0000000000000..fd0ded414391c
--- /dev/null
+++ b/llvm/test/CodeGen/VE/null-mctargetstreamer.ll
@@ -0,0 +1,5 @@
+; RUN: llc -march=ve -filetype=null %s
+
+define void @foo() {
+  ret void
+}