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-rw-r--r--llvm/include/llvm-c/Core.h3
-rw-r--r--llvm/include/llvm/Attributes.h4
-rw-r--r--llvm/include/llvm/Transforms/IPO/InlinerPass.h7
3 files changed, 9 insertions, 5 deletions
diff --git a/llvm/include/llvm-c/Core.h b/llvm/include/llvm-c/Core.h
index 674dde509d5..98358fe3807 100644
--- a/llvm/include/llvm-c/Core.h
+++ b/llvm/include/llvm-c/Core.h
@@ -118,7 +118,8 @@ typedef enum {
LLVMNoCaptureAttribute = 1<<21,
LLVMNoRedZoneAttribute = 1<<22,
LLVMNoImplicitFloatAttribute = 1<<23,
- LLVMNakedAttribute = 1<<24
+ LLVMNakedAttribute = 1<<24,
+ LLVMInlineHintAttribute = 1<<25
} LLVMAttribute;
typedef enum {
diff --git a/llvm/include/llvm/Attributes.h b/llvm/include/llvm/Attributes.h
index 7fa5d4ae6bd..068f81fc7de 100644
--- a/llvm/include/llvm/Attributes.h
+++ b/llvm/include/llvm/Attributes.h
@@ -58,6 +58,8 @@ const Attributes NoRedZone = 1<<22; /// disable redzone
const Attributes NoImplicitFloat = 1<<23; /// disable implicit floating point
/// instructions.
const Attributes Naked = 1<<24; ///< Naked function
+const Attributes InlineHint = 1<<25; ///< source said inlining was
+ ///desirable
/// @brief Attributes that only apply to function parameters.
const Attributes ParameterOnly = ByVal | Nest | StructRet | NoCapture;
@@ -66,7 +68,7 @@ const Attributes ParameterOnly = ByVal | Nest | StructRet | NoCapture;
/// be used on return values or function parameters.
const Attributes FunctionOnly = NoReturn | NoUnwind | ReadNone | ReadOnly |
NoInline | AlwaysInline | OptimizeForSize | StackProtect | StackProtectReq |
- NoRedZone | NoImplicitFloat | Naked;
+ NoRedZone | NoImplicitFloat | Naked | InlineHint;
/// @brief Parameter attributes that do not apply to vararg call arguments.
const Attributes VarArgsIncompatible = StructRet;
diff --git a/llvm/include/llvm/Transforms/IPO/InlinerPass.h b/llvm/include/llvm/Transforms/IPO/InlinerPass.h
index dc5e644c7fe..30ece0eb422 100644
--- a/llvm/include/llvm/Transforms/IPO/InlinerPass.h
+++ b/llvm/include/llvm/Transforms/IPO/InlinerPass.h
@@ -52,10 +52,11 @@ struct Inliner : public CallGraphSCCPass {
unsigned getInlineThreshold() const { return InlineThreshold; }
/// Calculate the inline threshold for given Caller. This threshold is lower
- /// if Caller is marked with OptimizeForSize and -inline-threshold is not
- /// given on the comand line.
+ /// if the caller is marked with OptimizeForSize and -inline-threshold is not
+ /// given on the comand line. It is higher if the callee is marked with the
+ /// inlinehint attribute.
///
- unsigned getInlineThreshold(Function* Caller) const;
+ unsigned getInlineThreshold(CallSite CS) const;
/// getInlineCost - This method must be implemented by the subclass to
/// determine the cost of inlining the specified call site. If the cost
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