Support alignment for NEON vld-lane and vst-lane instructions.

llvm-svn: 116776

1 files changed, 29 insertions, 19 deletions

diff --git a/llvm/test/CodeGen/ARM/vstlane.ll b/llvm/test/CodeGen/ARM/vstlane.ll
index 30ec52ac642..a48d6a0c1dc 100644
--- a/llvm/test/CodeGen/ARM/vstlane.ll
+++ b/llvm/test/CodeGen/ARM/vstlane.ll
@@ -2,18 +2,20 @@
 
 define void @vst2lanei8(i8* %A, <8 x i8>* %B) nounwind {
 ;CHECK: vst2lanei8:
-;CHECK: vst2.8
+;Check the alignment value.  Max for this instruction is 16 bits:
+;CHECK: vst2.8 {d16[1], d17[1]}, [r0, :16]
 	%tmp1 = load <8 x i8>* %B
-	call void @llvm.arm.neon.vst2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 4)
 	ret void
 }
 
 define void @vst2lanei16(i16* %A, <4 x i16>* %B) nounwind {
 ;CHECK: vst2lanei16:
-;CHECK: vst2.16
+;Check the alignment value.  Max for this instruction is 32 bits:
+;CHECK: vst2.16 {d16[1], d17[1]}, [r0, :32]
 	%tmp0 = bitcast i16* %A to i8*
 	%tmp1 = load <4 x i16>* %B
-	call void @llvm.arm.neon.vst2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8)
 	ret void
 }
 
@@ -37,19 +39,21 @@ define void @vst2lanef(float* %A, <2 x float>* %B) nounwind {
 
 define void @vst2laneQi16(i16* %A, <8 x i16>* %B) nounwind {
 ;CHECK: vst2laneQi16:
-;CHECK: vst2.16
+;Check the (default) alignment.
+;CHECK: vst2.16 {d17[1], d19[1]}, [r0]
 	%tmp0 = bitcast i16* %A to i8*
 	%tmp1 = load <8 x i16>* %B
-	call void @llvm.arm.neon.vst2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 5, i32 1)
 	ret void
 }
 
 define void @vst2laneQi32(i32* %A, <4 x i32>* %B) nounwind {
 ;CHECK: vst2laneQi32:
-;CHECK: vst2.32
+;Check the alignment value.  Max for this instruction is 64 bits:
+;CHECK: vst2.32 {d17[0], d19[0]}, [r0, :64]
 	%tmp0 = bitcast i32* %A to i8*
 	%tmp1 = load <4 x i32>* %B
-	call void @llvm.arm.neon.vst2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1)
+	call void @llvm.arm.neon.vst2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 16)
 	ret void
 }
 
@@ -81,10 +85,11 @@ define void @vst3lanei8(i8* %A, <8 x i8>* %B) nounwind {
 
 define void @vst3lanei16(i16* %A, <4 x i16>* %B) nounwind {
 ;CHECK: vst3lanei16:
-;CHECK: vst3.16
+;Check the (default) alignment value.  VST3 does not support alignment.
+;CHECK: vst3.16 {d16[1], d17[1], d18[1]}, [r0]
 	%tmp0 = bitcast i16* %A to i8*
 	%tmp1 = load <4 x i16>* %B
-	call void @llvm.arm.neon.vst3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8)
 	ret void
 }
 
@@ -108,10 +113,11 @@ define void @vst3lanef(float* %A, <2 x float>* %B) nounwind {
 
 define void @vst3laneQi16(i16* %A, <8 x i16>* %B) nounwind {
 ;CHECK: vst3laneQi16:
-;CHECK: vst3.16
+;Check the (default) alignment value.  VST3 does not support alignment.
+;CHECK: vst3.16 {d17[2], d19[2], d21[2]}, [r0]
 	%tmp0 = bitcast i16* %A to i8*
 	%tmp1 = load <8 x i16>* %B
-	call void @llvm.arm.neon.vst3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 6, i32 1)
+	call void @llvm.arm.neon.vst3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 6, i32 8)
 	ret void
 }
 
@@ -145,9 +151,10 @@ declare void @llvm.arm.neon.vst3lane.v4f32(i8*, <4 x float>, <4 x float>, <4 x f
 
 define void @vst4lanei8(i8* %A, <8 x i8>* %B) nounwind {
 ;CHECK: vst4lanei8:
-;CHECK: vst4.8
+;Check the alignment value.  Max for this instruction is 32 bits:
+;CHECK: vst4.8 {d16[1], d17[1], d18[1], d19[1]}, [r0, :32]
 	%tmp1 = load <8 x i8>* %B
-	call void @llvm.arm.neon.vst4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 8)
 	ret void
 }
 
@@ -162,10 +169,11 @@ define void @vst4lanei16(i16* %A, <4 x i16>* %B) nounwind {
 
 define void @vst4lanei32(i32* %A, <2 x i32>* %B) nounwind {
 ;CHECK: vst4lanei32:
-;CHECK: vst4.32
+;Check the alignment value.  Max for this instruction is 128 bits:
+;CHECK: vst4.32 {d16[1], d17[1], d18[1], d19[1]}, [r0, :128]
 	%tmp0 = bitcast i32* %A to i8*
 	%tmp1 = load <2 x i32>* %B
-	call void @llvm.arm.neon.vst4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 1)
+	call void @llvm.arm.neon.vst4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 16)
 	ret void
 }
 
@@ -180,16 +188,18 @@ define void @vst4lanef(float* %A, <2 x float>* %B) nounwind {
 
 define void @vst4laneQi16(i16* %A, <8 x i16>* %B) nounwind {
 ;CHECK: vst4laneQi16:
-;CHECK: vst4.16
+;Check the alignment value.  Max for this instruction is 64 bits:
+;CHECK: vst4.16 {d17[3], d19[3], d21[3], d23[3]}, [r0, :64]
 	%tmp0 = bitcast i16* %A to i8*
 	%tmp1 = load <8 x i16>* %B
-	call void @llvm.arm.neon.vst4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 7, i32 1)
+	call void @llvm.arm.neon.vst4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 7, i32 16)
 	ret void
 }
 
 define void @vst4laneQi32(i32* %A, <4 x i32>* %B) nounwind {
 ;CHECK: vst4laneQi32:
-;CHECK: vst4.32
+;Check the (default) alignment.
+;CHECK: vst4.32 {d17[0], d19[0], d21[0], d23[0]}, [r0]
 	%tmp0 = bitcast i32* %A to i8*
 	%tmp1 = load <4 x i32>* %B
 	call void @llvm.arm.neon.vst4lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1)