ARM: remove unused v(add|sub)hn and vqdml[as]l intrinsics.

Clang is now generating cleaner IR, so this removes the old variants which
should be completely unused.

llvm-svn: 189481

1 files changed, 6 insertions, 8 deletions

diff --git a/llvm/lib/Target/ARM/ARMInstrNEON.td b/llvm/lib/Target/ARM/ARMInstrNEON.td
index cc455adb561..49ae3348cd6 100644
--- a/llvm/lib/Target/ARM/ARMInstrNEON.td
+++ b/llvm/lib/Target/ARM/ARMInstrNEON.td
@@ -3973,8 +3973,7 @@ defm VQADDu   : N3VInt_QHSD<1, 0, 0b0000, 1, N3RegFrm,
                             IIC_VBINi4D, IIC_VBINi4D, IIC_VBINi4Q, IIC_VBINi4Q,
                             "vqadd", "u", int_arm_neon_vqaddu, 1>;
 //   VADDHN   : Vector Add and Narrow Returning High Half (D = Q + Q)
-defm VADDHN   : N3VNInt_HSD<0,1,0b0100,0, "vaddhn", "i",
-                            int_arm_neon_vaddhn, 1>;
+defm VADDHN   : N3VNInt_HSD<0,1,0b0100,0, "vaddhn", "i", null_frag, 1>;
 //   VRADDHN  : Vector Rounding Add and Narrow Returning High Half (D = Q + Q)
 defm VRADDHN  : N3VNInt_HSD<1,1,0b0100,0, "vraddhn", "i",
                             int_arm_neon_vraddhn, 1>;
@@ -4140,8 +4139,8 @@ defm VMLALslu : N3VLMulOpSL_HS<1, 0b0010, "vmlal", "u", NEONvmullu, add>;
 
 //   VQDMLAL  : Vector Saturating Doubling Multiply Accumulate Long (Q += D * D)
 defm VQDMLAL  : N3VLInt3_HS<0, 1, 0b1001, 0, IIC_VMACi16D, IIC_VMACi32D,
-                            "vqdmlal", "s", int_arm_neon_vqdmlal>;
-defm VQDMLALsl: N3VLInt3SL_HS<0, 0b0011, "vqdmlal", "s", int_arm_neon_vqdmlal>;
+                            "vqdmlal", "s", null_frag>;
+defm VQDMLALsl: N3VLInt3SL_HS<0, 0b0011, "vqdmlal", "s", null_frag>;
 
 def : Pat<(v4i32 (int_arm_neon_vqadds (v4i32 QPR:$src1),
                      (v4i32 (int_arm_neon_vqdmull (v4i16 DPR:$Vn),
@@ -4216,8 +4215,8 @@ defm VMLSLslu : N3VLMulOpSL_HS<1, 0b0110, "vmlsl", "u", NEONvmullu, sub>;
 
 //   VQDMLSL  : Vector Saturating Doubling Multiply Subtract Long (Q -= D * D)
 defm VQDMLSL  : N3VLInt3_HS<0, 1, 0b1011, 0, IIC_VMACi16D, IIC_VMACi32D,
-                            "vqdmlsl", "s", int_arm_neon_vqdmlsl>;
-defm VQDMLSLsl: N3VLInt3SL_HS<0, 0b111, "vqdmlsl", "s", int_arm_neon_vqdmlsl>;
+                            "vqdmlsl", "s", null_frag>;
+defm VQDMLSLsl: N3VLInt3SL_HS<0, 0b111, "vqdmlsl", "s", null_frag>;
 
 def : Pat<(v4i32 (int_arm_neon_vqsubs (v4i32 QPR:$src1),
                      (v4i32 (int_arm_neon_vqdmull (v4i16 DPR:$Vn),
@@ -4301,8 +4300,7 @@ defm VQSUBu   : N3VInt_QHSD<1, 0, 0b0010, 1, N3RegFrm,
                             IIC_VSUBi4D, IIC_VSUBi4D, IIC_VSUBi4Q, IIC_VSUBi4Q,
                             "vqsub", "u", int_arm_neon_vqsubu, 0>;
 //   VSUBHN   : Vector Subtract and Narrow Returning High Half (D = Q - Q)
-defm VSUBHN   : N3VNInt_HSD<0,1,0b0110,0, "vsubhn", "i",
-                            int_arm_neon_vsubhn, 0>;
+defm VSUBHN   : N3VNInt_HSD<0,1,0b0110,0, "vsubhn", "i", null_frag, 0>;
 //   VRSUBHN  : Vector Rounding Subtract and Narrow Returning High Half (D=Q-Q)
 defm VRSUBHN  : N3VNInt_HSD<1,1,0b0110,0, "vrsubhn", "i",
                             int_arm_neon_vrsubhn, 0>;