[llvm-commits] [llvm] r43978 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp test/CodeGen/X86/tailcallbyval.ll

[Arnold Schwaighofer]

Author: arnolds
Date: Sat Nov 10 04:48:01 2007
New Revision: 43978

URL: http://llvm.org/viewvc/llvm-project?rev=43978&view=rev
Log:
Update tailcall code to include inline attribute operand for memcpy. 

Added:
    llvm/trunk/test/CodeGen/X86/tailcallbyval.ll
Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=43978&r1=43977&r2=43978&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Nov 10 04:48:01 2007
@@ -1643,9 +1643,10 @@
  
         SDOperand AlignNode = DAG.getConstant(Align, MVT::i32);
         SDOperand  SizeNode = DAG.getConstant(Size, MVT::i32);
-        // Copy relative to framepointer.
-        MemOpChains2.push_back(DAG.getNode(ISD::MEMCPY, MVT::Other, Chain, FIN,
-                                           PtrOff, SizeNode, AlignNode));
+        SDOperand AlwaysInline = DAG.getConstant(1, MVT::i1);
+
+        MemOpChains2.push_back(DAG.getMemcpy(Chain, FIN, PtrOff, SizeNode, 
+                                             AlignNode,AlwaysInline));
       } else {
         SDOperand LoadedArg = DAG.getLoad(VA.getValVT(), Chain, PtrOff, NULL,0);
         // Store relative to framepointer.

Added: llvm/trunk/test/CodeGen/X86/tailcallbyval.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/tailcallbyval.ll?rev=43978&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/tailcallbyval.ll (added)
+++ llvm/trunk/test/CodeGen/X86/tailcallbyval.ll Sat Nov 10 04:48:01 2007
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc -march=x86 -tailcallopt | grep TAILCALL
+%struct.s = type { i32, i32, i32 }
+
+define  fastcc i32 @tailcallee(%struct.s* byval %a) {
+entry:
+        %tmp2 = getelementptr %struct.s* %a, i32 0, i32 0
+        %tmp3 = load i32* %tmp2
+        ret i32 %tmp3
+}
+
+define  fastcc i32 @tailcaller(%struct.s* byval %a) {
+entry:
+        %tmp4 = tail call fastcc i32 @tailcallee(%struct.s* %a byval)
+        ret i32 %tmp4
+}