[AVX512] Remove patterns for (v8f32 (X86vzmovl (insert_subvector undef, (v4f32 (scala...

We don't have this same pattern for AVX2 so I don't believe we should have it for AVX512. We also didn't have it for v16f32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312543 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 394dfbf6fc4d14dc7714f30146a856861c9aad80..9fa7578249957fd83f239d665dafb9212618c18f 100644 (file)
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -4693,14 +4693,6 @@ let Predicates = [HasAVX512] in {
   def : Pat<(v8f64 (X86vzload addr:$src)),
             (SUBREG_TO_REG (i32 0), (VMOVSDZrm addr:$src), sub_xmm)>;
   }
-  def : Pat<(v8f32 (X86vzmovl (insert_subvector undef,
-                   (v4f32 (scalar_to_vector FR32X:$src)), (iPTR 0)))),
-            (SUBREG_TO_REG (i32 0), (v4f32 (VMOVSSZrr (v4f32 (AVX512_128_SET0)),
-                                            FR32X:$src)), sub_xmm)>;
-  def : Pat<(v4f64 (X86vzmovl (insert_subvector undef,
-                   (v2f64 (scalar_to_vector FR64X:$src)), (iPTR 0)))),
-            (SUBREG_TO_REG (i64 0), (v2f64 (VMOVSDZrr (v2f64 (AVX512_128_SET0)),
-                                     FR64X:$src)), sub_xmm)>;
   def : Pat<(v4i64 (X86vzmovl (insert_subvector undef,
                    (v2i64 (scalar_to_vector (loadi64 addr:$src))), (iPTR 0)))),
             (SUBREG_TO_REG (i64 0), (VMOVQI2PQIZrm addr:$src), sub_xmm)>;

diff --git a/test/CodeGen/X86/vector-shuffle-256-v4.ll b/test/CodeGen/X86/vector-shuffle-256-v4.ll
index 92afa063e3c51b3d8fa15288d44ffeb191d257dc..26a866c20ac716cc930c92b4e3b9ab89e4f82ae1 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-256-v4.ll
+++ b/test/CodeGen/X86/vector-shuffle-256-v4.ll
@@ -1277,6 +1277,7 @@ define <4 x double> @insert_reg_and_zero_v4f64(double %a) {
 ;
 ; AVX512VL-LABEL: insert_reg_and_zero_v4f64:
 ; AVX512VL:       # BB#0:
+; AVX512VL-NEXT:    # kill: %XMM0<def> %XMM0<kill> %YMM0<def>
 ; AVX512VL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
 ; AVX512VL-NEXT:    vmovsd {{.*#+}} xmm0 = xmm0[0],xmm1[1]
 ; AVX512VL-NEXT:    retq