Add tests for NEON encoding of vceq.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117270 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/ARM/neon-cmp-encoding.ll b/test/MC/ARM/neon-cmp-encoding.ll
new file mode 100644 (file)
index 0000000..16a4159
--- /dev/null
+++ b/test/MC/ARM/neon-cmp-encoding.ll
@@ -0,0 +1,81 @@
+; RUN: llc -show-mc-encoding -march=arm -mcpu=cortex-a8 -mattr=+neon < %s | FileCheck %s
+
+; CHECK: vceq_8xi8
+define <8 x i8> @vceq_8xi8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
+       %tmp1 = load <8 x i8>* %A
+       %tmp2 = load <8 x i8>* %B
+; CHECK: vceq.i8       d16, d16, d17           @ encoding: [0xb1,0x08,0x40,0xf3]
+       %tmp3 = icmp eq <8 x i8> %tmp1, %tmp2
+  %tmp4 = sext <8 x i1> %tmp3 to <8 x i8>
+       ret <8 x i8> %tmp4
+}
+
+; CHECK: vceq_4xi16
+define <4 x i16> @vceq_4xi16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
+       %tmp1 = load <4 x i16>* %A
+       %tmp2 = load <4 x i16>* %B
+; CHECK: vceq.i16      d16, d16, d17   @ encoding: [0xb1,0x08,0x50,0xf3]
+       %tmp3 = icmp eq <4 x i16> %tmp1, %tmp2
+  %tmp4 = sext <4 x i1> %tmp3 to <4 x i16>
+       ret <4 x i16> %tmp4
+}
+
+; CHECK: vceq_2xi32
+define <2 x i32> @vceq_2xi32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
+       %tmp1 = load <2 x i32>* %A
+       %tmp2 = load <2 x i32>* %B
+; CHECK: vceq.i32      d16, d16, d17   @ encoding: [0xb1,0x08,0x60,0xf3]
+       %tmp3 = icmp eq <2 x i32> %tmp1, %tmp2
+  %tmp4 = sext <2 x i1> %tmp3 to <2 x i32>
+       ret <2 x i32> %tmp4
+}
+
+; CHECK: vceq_2xfloat
+define <2 x i32> @vceq_2xfloat(<2 x float>* %A, <2 x float>* %B) nounwind {
+       %tmp1 = load <2 x float>* %A
+       %tmp2 = load <2 x float>* %B
+; CHECK: vceq.f32      d16, d16, d17   @ encoding: [0xa1,0x0e,0x40,0xf2]
+       %tmp3 = fcmp oeq <2 x float> %tmp1, %tmp2
+  %tmp4 = sext <2 x i1> %tmp3 to <2 x i32>
+       ret <2 x i32> %tmp4
+}
+
+; CHECK: vceq_16xi8
+define <16 x i8> @vceq_16xi8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
+       %tmp1 = load <16 x i8>* %A
+       %tmp2 = load <16 x i8>* %B
+; CHECK: vceq.i8       q8, q8, q9              @ encoding: [0xf2,0x08,0x40,0xf3]
+       %tmp3 = icmp eq <16 x i8> %tmp1, %tmp2
+  %tmp4 = sext <16 x i1> %tmp3 to <16 x i8>
+       ret <16 x i8> %tmp4
+}
+
+; CHECK: vceq_8xi16
+define <8 x i16> @vceq_8xi16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
+       %tmp1 = load <8 x i16>* %A
+       %tmp2 = load <8 x i16>* %B
+; CHECK: vceq.i16      q8, q8, q9      @ encoding: [0xf2,0x08,0x50,0xf3]
+       %tmp3 = icmp eq <8 x i16> %tmp1, %tmp2
+  %tmp4 = sext <8 x i1> %tmp3 to <8 x i16>
+       ret <8 x i16> %tmp4
+}
+
+; CHECK: vceq_4xi32
+define <4 x i32> @vceq_4xi32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
+       %tmp1 = load <4 x i32>* %A
+       %tmp2 = load <4 x i32>* %B
+; CHECK: vceq.i32      q8, q8, q9      @ encoding: [0xf2,0x08,0x60,0xf3]
+       %tmp3 = icmp eq <4 x i32> %tmp1, %tmp2
+  %tmp4 = sext <4 x i1> %tmp3 to <4 x i32>
+       ret <4 x i32> %tmp4
+}
+
+; CHECK: vceq_4xfloat
+define <4 x i32> @vceq_4xfloat(<4 x float>* %A, <4 x float>* %B) nounwind {
+       %tmp1 = load <4 x float>* %A
+       %tmp2 = load <4 x float>* %B
+; CHECK: vceq.f32      q8, q8, q9      @ encoding: [0xe2,0x0e,0x40,0xf2]
+       %tmp3 = fcmp oeq <4 x float> %tmp1, %tmp2
+  %tmp4 = sext <4 x i1> %tmp3 to <4 x i32>
+       ret <4 x i32> %tmp4
+}