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author | Arnold Schwaighofer <arnold.schwaighofer@gmail.com> | 2007-11-10 10:48:01 +0000 |
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committer | Arnold Schwaighofer <arnold.schwaighofer@gmail.com> | 2007-11-10 10:48:01 +0000 |
commit | 38ada868f24b639512e4cfe07871ccea05e09f1a (patch) | |
tree | 34745d52746003cd2a4050bbc800ba47978a47f0 | |
parent | 1a8a08a690a06194653f54453ac41e0e0e7bd3a4 (diff) | |
download | llvm-38ada868f24b639512e4cfe07871ccea05e09f1a.tar.gz llvm-38ada868f24b639512e4cfe07871ccea05e09f1a.tar.bz2 llvm-38ada868f24b639512e4cfe07871ccea05e09f1a.tar.xz |
Update tailcall code to include inline attribute operand for memcpy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43978 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 7 | ||||
-rw-r--r-- | test/CodeGen/X86/tailcallbyval.ll | 15 |
2 files changed, 19 insertions, 3 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 8c40b3ca70..d51c1d97a3 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -1643,9 +1643,10 @@ SDOperand X86TargetLowering::LowerX86_TailCallTo(SDOperand Op, 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. diff --git a/test/CodeGen/X86/tailcallbyval.ll b/test/CodeGen/X86/tailcallbyval.ll new file mode 100644 index 0000000000..dc1dea7e11 --- /dev/null +++ b/test/CodeGen/X86/tailcallbyval.ll @@ -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 +} |