[llvm] r223832 - [ARM] Also support v2f64 vld1/vst1.

[Ahmed Bougacha]

Author: ab
Date: Tue Dec  9 15:25:00 2014
New Revision: 223832

URL: http://llvm.org/viewvc/llvm-project?rev=223832&view=rev
Log:
[ARM] Also support v2f64 vld1/vst1.

It was missing from the VLD1/VST1 handling logic, even though the
corresponding instructions exist (same form as v2i64).

In preparation for a future patch.

Modified:
    llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
    llvm/trunk/test/CodeGen/ARM/vld1.ll
    llvm/trunk/test/CodeGen/ARM/vst1.ll

Modified: llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp?rev=223832&r1=223831&r2=223832&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp Tue Dec  9 15:25:00 2014
@@ -1784,6 +1784,7 @@ SDNode *ARMDAGToDAGISel::SelectVLD(SDNod
   case MVT::v8i16: OpcodeIndex = 1; break;
   case MVT::v4f32:
   case MVT::v4i32: OpcodeIndex = 2; break;
+  case MVT::v2f64:
   case MVT::v2i64: OpcodeIndex = 3;
     assert(NumVecs == 1 && "v2i64 type only supported for VLD1");
     break;
@@ -1920,6 +1921,7 @@ SDNode *ARMDAGToDAGISel::SelectVST(SDNod
   case MVT::v8i16: OpcodeIndex = 1; break;
   case MVT::v4f32:
   case MVT::v4i32: OpcodeIndex = 2; break;
+  case MVT::v2f64:
   case MVT::v2i64: OpcodeIndex = 3;
     assert(NumVecs == 1 && "v2i64 type only supported for VST1");
     break;

Modified: llvm/trunk/test/CodeGen/ARM/vld1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/vld1.ll?rev=223832&r1=223831&r2=223832&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/vld1.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/vld1.ll Tue Dec  9 15:25:00 2014
@@ -119,6 +119,14 @@ define <2 x i64> @vld1Qi64(i64* %A) noun
 	ret <2 x i64> %tmp1
 }
 
+define <2 x double> @vld1Qf64(double* %A) nounwind {
+;CHECK-LABEL: vld1Qf64:
+;CHECK: vld1.64
+	%tmp0 = bitcast double* %A to i8*
+	%tmp1 = call <2 x double> @llvm.arm.neon.vld1.v2f64(i8* %tmp0, i32 1)
+	ret <2 x double> %tmp1
+}
+
 declare <8 x i8>  @llvm.arm.neon.vld1.v8i8(i8*, i32) nounwind readonly
 declare <4 x i16> @llvm.arm.neon.vld1.v4i16(i8*, i32) nounwind readonly
 declare <2 x i32> @llvm.arm.neon.vld1.v2i32(i8*, i32) nounwind readonly
@@ -130,6 +138,7 @@ declare <8 x i16> @llvm.arm.neon.vld1.v8
 declare <4 x i32> @llvm.arm.neon.vld1.v4i32(i8*, i32) nounwind readonly
 declare <4 x float> @llvm.arm.neon.vld1.v4f32(i8*, i32) nounwind readonly
 declare <2 x i64> @llvm.arm.neon.vld1.v2i64(i8*, i32) nounwind readonly
+declare <2 x double> @llvm.arm.neon.vld1.v2f64(i8*, i32) nounwind readonly
 
 ; Radar 8355607
 ; Do not crash if the vld1 result is not used.

Modified: llvm/trunk/test/CodeGen/ARM/vst1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/vst1.ll?rev=223832&r1=223831&r2=223832&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/vst1.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/vst1.ll Tue Dec  9 15:25:00 2014
@@ -117,6 +117,15 @@ define void @vst1Qi64(i64* %A, <2 x i64>
 	ret void
 }
 
+define void @vst1Qf64(double* %A, <2 x double>* %B) nounwind {
+;CHECK-LABEL: vst1Qf64:
+;CHECK: vst1.64
+	%tmp0 = bitcast double* %A to i8*
+	%tmp1 = load <2 x double>* %B
+	call void @llvm.arm.neon.vst1.v2f64(i8* %tmp0, <2 x double> %tmp1, i32 1)
+	ret void
+}
+
 declare void @llvm.arm.neon.vst1.v8i8(i8*, <8 x i8>, i32) nounwind
 declare void @llvm.arm.neon.vst1.v4i16(i8*, <4 x i16>, i32) nounwind
 declare void @llvm.arm.neon.vst1.v2i32(i8*, <2 x i32>, i32) nounwind
@@ -128,3 +137,4 @@ declare void @llvm.arm.neon.vst1.v8i16(i
 declare void @llvm.arm.neon.vst1.v4i32(i8*, <4 x i32>, i32) nounwind
 declare void @llvm.arm.neon.vst1.v4f32(i8*, <4 x float>, i32) nounwind
 declare void @llvm.arm.neon.vst1.v2i64(i8*, <2 x i64>, i32) nounwind
+declare void @llvm.arm.neon.vst1.v2f64(i8*, <2 x double>, i32) nounwind