From 7beb1ec2988d6d223714c6bcc239fb2a89db7f67 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Wed, 8 Apr 2009 13:33:37 +0000 Subject: [PATCH] =?UTF-8?q?Soft=20float=20support=20for=20undef.=20=20Repo?= =?UTF-8?q?rted=20by=20Xerxes=20R=C3=A5nby.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68607 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 5 +++++ lib/CodeGen/SelectionDAG/LegalizeTypes.h | 1 + test/CodeGen/ARM/2009-04-08-FloatUndef.ll | 11 +++++++++++ 3 files changed, 17 insertions(+) create mode 100644 test/CodeGen/ARM/2009-04-08-FloatUndef.ll diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index 8aa3e940025..5aa71ec0108 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -90,6 +90,7 @@ void DAGTypeLegalizer::SoftenFloatResult(SDNode *N, unsigned ResNo) { case ISD::SELECT_CC: R = SoftenFloatRes_SELECT_CC(N); break; case ISD::SINT_TO_FP: case ISD::UINT_TO_FP: R = SoftenFloatRes_XINT_TO_FP(N); break; + case ISD::UNDEF: R = SoftenFloatRes_UNDEF(N); break; case ISD::VAARG: R = SoftenFloatRes_VAARG(N); break; } @@ -464,6 +465,10 @@ SDValue DAGTypeLegalizer::SoftenFloatRes_SELECT_CC(SDNode *N) { N->getOperand(1), LHS, RHS, N->getOperand(4)); } +SDValue DAGTypeLegalizer::SoftenFloatRes_UNDEF(SDNode *N) { + return DAG.getUNDEF(TLI.getTypeToTransformTo(N->getValueType(0))); +} + SDValue DAGTypeLegalizer::SoftenFloatRes_VAARG(SDNode *N) { SDValue Chain = N->getOperand(0); // Get the chain. SDValue Ptr = N->getOperand(1); // Get the pointer. diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/lib/CodeGen/SelectionDAG/LegalizeTypes.h index 803e20f4bd9..add978b02b6 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypes.h +++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.h @@ -422,6 +422,7 @@ private: SDValue SoftenFloatRes_LOAD(SDNode *N); SDValue SoftenFloatRes_SELECT(SDNode *N); SDValue SoftenFloatRes_SELECT_CC(SDNode *N); + SDValue SoftenFloatRes_UNDEF(SDNode *N); SDValue SoftenFloatRes_VAARG(SDNode *N); SDValue SoftenFloatRes_XINT_TO_FP(SDNode *N); diff --git a/test/CodeGen/ARM/2009-04-08-FloatUndef.ll b/test/CodeGen/ARM/2009-04-08-FloatUndef.ll new file mode 100644 index 00000000000..9dc3b3485ec --- /dev/null +++ b/test/CodeGen/ARM/2009-04-08-FloatUndef.ll @@ -0,0 +1,11 @@ +; RUN: llvm-as < %s | llc -march=arm + +define void @execute_shader(<4 x float>* %OUT, <4 x float>* %IN, <4 x float>* %CONST) { +entry: + %input2 = load <4 x float>* null, align 16 ; <<4 x float>> [#uses=2] + %shuffle7 = shufflevector <4 x float> %input2, <4 x float> , <4 x i32> ; <<4 x float>> [#uses=1] + %mul1 = mul <4 x float> %shuffle7, zeroinitializer ; <<4 x float>> [#uses=1] + %add2 = add <4 x float> %mul1, %input2 ; <<4 x float>> [#uses=1] + store <4 x float> %add2, <4 x float>* null, align 16 + ret void +}