AMDGPU: Don't try to use LDS/vector for private if pointer value stored

[oota-llvm.git] / docs / Statepoints.rst

diff --git a/docs/Statepoints.rst b/docs/Statepoints.rst
index 55bdbd8a6407b1ff8d4c3865acc779f9d299c8de..0d91f1b16b08630d41c44e58c5aba2e3279c0117 100644 (file)
--- a/docs/Statepoints.rst
+++ b/docs/Statepoints.rst
@@ -142,8 +142,8 @@ resulting relocation sequence is:
 
   define i8 addrspace(1)* @test1(i8 addrspace(1)* %obj) 
          gc "statepoint-example" {
-    %0 = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i8 addrspace(1)* %obj)
-    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 4, i32 4)
+    %0 = call i32 (i64, i32, void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 0, i8 addrspace(1)* %obj)
+    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 7, i32 7)
     ret i8 addrspace(1)* %obj.relocated
   }
 
@@ -242,8 +242,8 @@ to unmanaged code. The resulting relocation sequence is:
   define i8 addrspace(1)* @test1(i8 addrspace(1) *%obj)
          gc "hypothetical-gc" {
 
-    %0 = call i32 (void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(void ()* @foo, i32 0, i32 1, i32* @Flag, i32 0, i8 addrspace(1)* %obj)
-    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 4, i32 4)
+    %0 = call i32 (i64, i32, void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @foo, i32 0, i32 1, i32* @Flag, i32 0, i8 addrspace(1)* %obj)
+    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 7, i32 7)
     ret i8 addrspace(1)* %obj.relocated
   }
 
@@ -299,7 +299,7 @@ Syntax:
       declare i32
         @llvm.experimental.gc.statepoint(i64 <id>, i32 <num patch bytes>,
                        func_type <target>, 
-                       i64 <#call args>. i64 <flags>,
+                       i64 <#call args>, i64 <flags>,
                        ... (call parameters),
                        i64 <# transition args>, ... (transition parameters),
                        i64 <# deopt args>, ... (deopt parameters),
@@ -601,7 +601,7 @@ The pass would produce this IR:
   define i8 addrspace(1)* @test1(i8 addrspace(1)* %obj) 
          gc "statepoint-example" {
     %0 = call i32 (i64, i32, void ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @foo, i32 0, i32 0, i32 0, i32 5, i32 0, i32 -1, i32 0, i32 0, i32 0, i8 addrspace(1)* %obj)
-    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 9, i32 9)
+    %obj.relocated = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(i32 %0, i32 12, i32 12)
     ret i8 addrspace(1)* %obj.relocated
   }
 
@@ -699,6 +699,12 @@ deoptimization or introspection) at safepoints.  In that case, ask on the
 llvmdev mailing list for suggestions.
 
 
+Supported Architectures
+=======================
+
+Support for statepoint generation requires some code for each backend.
+Today, only X86_64 is supported.  
+
 Bugs and Enhancements
 =====================