From c3942c9623c1b789472b47f4fdc5d7dbe2f06b98 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Fri, 23 Jan 2015 06:11:45 +0000
Subject: [PATCH] [X86] Add IntrNoMem to the AVX512 conflict intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226897 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/IR/IntrinsicsX86.td |  8 ++++----
 lib/Target/X86/X86InstrAVX512.td | 10 +++++++++-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/include/llvm/IR/IntrinsicsX86.td b/include/llvm/IR/IntrinsicsX86.td
index 671dde89c1c..a0dec300fcc 100644
--- a/include/llvm/IR/IntrinsicsX86.td
+++ b/include/llvm/IR/IntrinsicsX86.td
@@ -3404,22 +3404,22 @@ let TargetPrefix = "x86" in {
           GCCBuiltin<"__builtin_ia32_vpconflictsi_512_mask">,
           Intrinsic<[llvm_v16i32_ty], [llvm_v16i32_ty,
                     llvm_v16i32_ty, llvm_i16_ty],
-                    []>;
+                    [IntrNoMem]>;
   def int_x86_avx512_mask_conflict_q_512 :
           GCCBuiltin<"__builtin_ia32_vpconflictdi_512_mask">,
           Intrinsic<[llvm_v8i64_ty], [llvm_v8i64_ty,
                     llvm_v8i64_ty, llvm_i8_ty],
-                    []>;
+                    [IntrNoMem]>;
   def int_x86_avx512_mask_lzcnt_d_512 :
           GCCBuiltin<"__builtin_ia32_vplzcntd_512_mask">,
           Intrinsic<[llvm_v16i32_ty], [llvm_v16i32_ty,
                     llvm_v16i32_ty, llvm_i16_ty],
-                    []>;
+                    [IntrNoMem]>;
   def int_x86_avx512_mask_lzcnt_q_512 :
           GCCBuiltin<"__builtin_ia32_vplzcntq_512_mask">,
           Intrinsic<[llvm_v8i64_ty], [llvm_v8i64_ty,
                     llvm_v8i64_ty, llvm_i8_ty],
-                    []>;
+                    [IntrNoMem]>;
 }
 
 // Vector blend
diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 421ddf9e1a5..14e12298f91 100644
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -5083,14 +5083,17 @@ multiclass avx512_conflict<bits<8> opc, string OpcodeStr,
                         RegisterClass RC, RegisterClass KRC,
                         X86MemOperand x86memop,
                         X86MemOperand x86scalar_mop, string BrdcstStr> {
+  let hasSideEffects = 0 in {
   def rr : AVX5128I<opc, MRMSrcReg, (outs RC:$dst),
        (ins RC:$src),
        !strconcat(OpcodeStr, "\t{$src, ${dst} |${dst}, $src}"),
        []>, EVEX;
+  let mayLoad = 1 in
   def rm : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins x86memop:$src),
        !strconcat(OpcodeStr, "\t{$src, ${dst}|${dst}, $src}"),
        []>, EVEX;
+  let mayLoad = 1 in
   def rmb : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins x86scalar_mop:$src),
        !strconcat(OpcodeStr, "\t{${src}", BrdcstStr,
@@ -5101,11 +5104,13 @@ multiclass avx512_conflict<bits<8> opc, string OpcodeStr,
        !strconcat(OpcodeStr,
                   "\t{$src, ${dst} {${mask}} {z}|${dst} {${mask}} {z}, $src}"),
        []>, EVEX, EVEX_KZ;
+  let mayLoad = 1 in
   def rmkz : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins KRC:$mask, x86memop:$src),
        !strconcat(OpcodeStr,
                   "\t{$src, ${dst} {${mask}} {z}|${dst} {${mask}} {z}, $src}"),
        []>, EVEX, EVEX_KZ;
+  let mayLoad = 1 in
   def rmbkz : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins KRC:$mask, x86scalar_mop:$src),
        !strconcat(OpcodeStr, "\t{${src}", BrdcstStr,
@@ -5119,17 +5124,20 @@ multiclass avx512_conflict<bits<8> opc, string OpcodeStr,
        !strconcat(OpcodeStr,
                   "\t{$src2, ${dst} {${mask}}|${dst} {${mask}}, $src2}"),
        []>, EVEX, EVEX_K;
+  let mayLoad = 1 in
   def rmk : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins RC:$src1, KRC:$mask, x86memop:$src2),
        !strconcat(OpcodeStr,
                   "\t{$src2, ${dst} {${mask}}|${dst} {${mask}}, $src2}"),
        []>, EVEX, EVEX_K;
+  let mayLoad = 1 in
   def rmbk : AVX5128I<opc, MRMSrcMem, (outs RC:$dst),
        (ins RC:$src1, KRC:$mask, x86scalar_mop:$src2),
        !strconcat(OpcodeStr, "\t{${src2}", BrdcstStr,
                   ", ${dst} {${mask}}|${dst} {${mask}}, ${src2}", BrdcstStr, "}"),
        []>, EVEX, EVEX_K, EVEX_B;
-   }
+  }
+  }
 }
 
 let Predicates = [HasCDI] in {
-- 
2.34.1