[WebAssembly] Support inline asm constraints of type i16 and similar.

[oota-llvm.git] / lib / CodeGen / DwarfEHPrepare.cpp

diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 42656fb08db1aaf2e62ac7d3983a31a5fc49a264..eae78a950d9a64fabe06d97d426aeb6db3f5c750 100644 (file)
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -16,7 +16,7 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/CFG.h"
-#include "llvm/Analysis/LibCallSemantics.h"
+#include "llvm/Analysis/EHPersonalities.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
@@ -181,27 +181,22 @@ size_t DwarfEHPrepare::pruneUnreachableResumes(
 bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
   SmallVector<ResumeInst*, 16> Resumes;
   SmallVector<LandingPadInst*, 16> CleanupLPads;
-  bool FoundLP = false;
   for (BasicBlock &BB : Fn) {
     if (auto *RI = dyn_cast<ResumeInst>(BB.getTerminator()))
       Resumes.push_back(RI);
-    if (auto *LP = BB.getLandingPadInst()) {
+    if (auto *LP = BB.getLandingPadInst())
       if (LP->isCleanup())
         CleanupLPads.push_back(LP);
-      // Check the personality on the first landingpad. Don't do anything if
-      // it's for MSVC.
-      if (!FoundLP) {
-        FoundLP = true;
-        EHPersonality Pers = classifyEHPersonality(LP->getPersonalityFn());
-        if (isMSVCEHPersonality(Pers))
-          return false;
-      }
-    }
   }
 
   if (Resumes.empty())
     return false;
 
+  // Check the personality, don't do anything if it's funclet-based.
+  EHPersonality Pers = classifyEHPersonality(Fn.getPersonalityFn());
+  if (isFuncletEHPersonality(Pers))
+    return false;
+
   LLVMContext &Ctx = Fn.getContext();
 
   size_t ResumesLeft = pruneUnreachableResumes(Fn, Resumes, CleanupLPads);