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authorHal Finkel <hfinkel@anl.gov>2014-02-03 17:27:25 +0000
committerHal Finkel <hfinkel@anl.gov>2014-02-03 17:27:25 +0000
commit5c968d9440464d2ec90f252c3567570644f65b1f (patch)
tree3bd5e068c32e32cff786872cfe3b902a85b20d95
parent42f6622b2848c25789a3ef2d3149066a7544ba83 (diff)
downloadbcm5719-llvm-5c968d9440464d2ec90f252c3567570644f65b1f.tar.gz
bcm5719-llvm-5c968d9440464d2ec90f252c3567570644f65b1f.zip
Expand vector bswap in LegalizeVectorOps
ISD::BSWAP was missing from the list of node types that should be expanded element-wise. llvm-svn: 200705
-rw-r--r--llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp1
-rw-r--r--llvm/test/CodeGen/X86/bswap-vector.ll19
2 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
index 2c3cdccb56e..3fb2d9bdf55 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
@@ -210,6 +210,7 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) {
case ISD::SRL:
case ISD::ROTL:
case ISD::ROTR:
+ case ISD::BSWAP:
case ISD::CTLZ:
case ISD::CTTZ:
case ISD::CTLZ_ZERO_UNDEF:
diff --git a/llvm/test/CodeGen/X86/bswap-vector.ll b/llvm/test/CodeGen/X86/bswap-vector.ll
new file mode 100644
index 00000000000..6b77176cb69
--- /dev/null
+++ b/llvm/test/CodeGen/X86/bswap-vector.ll
@@ -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 }
+
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