[PATCH] D51046: [WebAssembly] Change writeSPToMemory to writeSPToGlobal (NFC)

[Heejin Ahn via Phabricator via llvm-commits]

aheejin created this revision.
aheejin added a reviewer: dschuff.
Herald added subscribers: llvm-commits, sunfish, jgravelle-google, sbc100.

SP is now a __stack_pointer global and not a memory address anymore.


Repository:
  rL LLVM

https://reviews.llvm.org/D51046

Files:
  lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp


Index: lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp
===================================================================
--- lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp
+++ lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp
@@ -97,7 +97,7 @@
          MF.getFunction().hasFnAttribute(Attribute::NoRedZone);
 }
 
-static void writeSPToMemory(unsigned SrcReg, MachineFunction &MF,
+static void writeSPToGlobal(unsigned SrcReg, MachineFunction &MF,
                             MachineBasicBlock &MBB,
                             MachineBasicBlock::iterator &InsertStore,
                             const DebugLoc &DL) {
@@ -120,7 +120,7 @@
   if (I->getOpcode() == TII->getCallFrameDestroyOpcode() &&
       needsSPWriteback(MF, MF.getFrameInfo())) {
     DebugLoc DL = I->getDebugLoc();
-    writeSPToMemory(WebAssembly::SP32, MF, MBB, I, DL);
+    writeSPToGlobal(WebAssembly::SP32, MF, MBB, I, DL);
   }
   return MBB.erase(I);
 }
@@ -193,7 +193,7 @@
         .addReg(WebAssembly::SP32);
   }
   if (StackSize && needsSPWriteback(MF, MFI)) {
-    writeSPToMemory(WebAssembly::SP32, MF, MBB, InsertPt, DL);
+    writeSPToGlobal(WebAssembly::SP32, MF, MBB, InsertPt, DL);
   }
 }
 
@@ -232,5 +232,5 @@
     SPReg = hasFP(MF) ? WebAssembly::FP32 : WebAssembly::SP32;
   }
 
-  writeSPToMemory(SPReg, MF, MBB, InsertPt, DL);
+  writeSPToGlobal(SPReg, MF, MBB, InsertPt, DL);
 }


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