add some accessors to callsite/callinst/invokeinst to check

for the noinline attribute, and make the inliner refuse to
inline a call site when the call site is marked noinline even
if the callee isn't.  This fixes PR6682.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99341 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 18 insertions, 0 deletions

diff --git a/include/llvm/Instructions.h b/include/llvm/Instructions.h
index b1f1996045..b382f0c912 100644
--- a/include/llvm/Instructions.h
+++ b/include/llvm/Instructions.h
@@ -971,6 +971,13 @@ public:
   unsigned getParamAlignment(unsigned i) const {
     return AttributeList.getParamAlignment(i);
   }
+  
+  /// @brief Return true if the call should not be inlined.
+  bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); }
+  void setIsNoInline(bool Value) {
+    if (Value) addAttribute(~0, Attribute::NoInline);
+    else removeAttribute(~0, Attribute::NoInline);
+  }
 
   /// @brief Determine if the call does not access memory.
   bool doesNotAccessMemory() const {
@@ -2456,6 +2463,13 @@ public:
     return AttributeList.getParamAlignment(i);
   }
 
+  /// @brief Return true if the call should not be inlined.
+  bool isNoInline() const { return paramHasAttr(~0, Attribute::NoInline); }
+  void setIsNoInline(bool Value) {
+    if (Value) addAttribute(~0, Attribute::NoInline);
+    else removeAttribute(~0, Attribute::NoInline);
+  }
+  
   /// @brief Determine if the call does not access memory.
   bool doesNotAccessMemory() const {
     return paramHasAttr(~0, Attribute::ReadNone);
diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h
index 285b558afc..23d24e7c5e 100644
--- a/include/llvm/Support/CallSite.h
+++ b/include/llvm/Support/CallSite.h
@@ -76,6 +76,10 @@ public:
   /// @brief Extract the alignment for a call or parameter (0=unknown).
   uint16_t getParamAlignment(uint16_t i) const;
 
+  /// @brief Return true if the call should not be inlined.
+  bool isNoInline() const;
+  void setIsNoInline(bool Value = true);
+  
   /// @brief Determine if the call does not access memory.
   bool doesNotAccessMemory() const;
   void setDoesNotAccessMemory(bool doesNotAccessMemory = true);