[llvm] r200705 - Expand vector bswap in LegalizeVectorOps

[Hal Finkel]

Author: hfinkel
Date: Mon Feb  3 11:27:25 2014
New Revision: 200705

URL: http://llvm.org/viewvc/llvm-project?rev=200705&view=rev
Log:
Expand vector bswap in LegalizeVectorOps

ISD::BSWAP was missing from the list of node types that should be expanded
element-wise.

Added:
    llvm/trunk/test/CodeGen/X86/bswap-vector.ll
Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp?rev=200705&r1=200704&r2=200705&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp Mon Feb  3 11:27:25 2014
@@ -210,6 +210,7 @@ SDValue VectorLegalizer::LegalizeOp(SDVa
   case ISD::SRL:
   case ISD::ROTL:
   case ISD::ROTR:
+  case ISD::BSWAP:
   case ISD::CTLZ:
   case ISD::CTTZ:
   case ISD::CTLZ_ZERO_UNDEF:

Added: llvm/trunk/test/CodeGen/X86/bswap-vector.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/bswap-vector.ll?rev=200705&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/bswap-vector.ll (added)
+++ llvm/trunk/test/CodeGen/X86/bswap-vector.ll Mon Feb  3 11:27:25 2014
@@ -0,0 +1,19 @@
+; RUN: llc < %s -mcpu=x86_64 | FileCheck %s
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
+
+define <2 x i64> @foo(<2 x i64> %v) #0 {
+entry:
+  %r = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %v)
+  ret <2 x i64> %r
+}
+
+; CHECK-LABEL: @foo
+; CHECK: bswapq
+; CHECK: bswapq
+; CHECK: retq
+
+attributes #0 = { nounwind uwtable }
+