From 96aaa545298b6b95d5a83cc5b62af14ca8968ed4 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Fri, 12 Oct 2007 07:55:53 +0000
Subject: [PATCH] Flag MOV32to32_ with EXTRACT_SUBREG. They should not be
scheduled apart.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42894 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/X86/X86ISelDAGToDAG.cpp | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index c6d3e6cdd71..853ac114dfe 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -1000,8 +1000,9 @@ SDNode *X86DAGToDAGISel::getTruncate(SDOperand N0, MVT::ValueType VT) {
VT = MVT::i32;
break;
}
- N0 =
- SDOperand(CurDAG->getTargetNode(Opc, VT, N0), 0);
+ N0 = SDOperand(CurDAG->getTargetNode(Opc, VT, MVT::Flag, N0), 0);
+ return CurDAG->getTargetNode(X86::EXTRACT_SUBREG,
+ VT, N0, SRIdx, N0.getValue(1));
}
break;
case MVT::i16:
@@ -1010,11 +1011,9 @@ SDNode *X86DAGToDAGISel::getTruncate(SDOperand N0, MVT::ValueType VT) {
case MVT::i32:
SRIdx = CurDAG->getTargetConstant(3, MVT::i32); // SubRegSet 3
break;
- default: assert(0 && "Unknown truncate!");
+ default: assert(0 && "Unknown truncate!"); break;
}
- return CurDAG->getTargetNode(X86::EXTRACT_SUBREG,
- VT,
- N0, SRIdx);
+ return CurDAG->getTargetNode(X86::EXTRACT_SUBREG, VT, N0, SRIdx);
}
@@ -1382,7 +1381,8 @@ SDNode *X86DAGToDAGISel::Select(SDOperand N) {
default: assert(0 && "Unknown any_extend!");
}
if (SRIdx.Val) {
- SDNode *ResNode = CurDAG->getTargetNode(X86::INSERT_SUBREG, NVT, N0, SRIdx);
+ SDNode *ResNode = CurDAG->getTargetNode(X86::INSERT_SUBREG,
+ NVT, N0, SRIdx);
#ifndef NDEBUG
DOUT << std::string(Indent-2, ' ') << "=> ";