This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG45783d0e8a36: [WebAssembly] Implement i64x2 comparisons 
(authored by tlively).

Changed prior to commit:
  https://reviews.llvm.org/D99623?vs=334280&id=334485#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99623/new/

https://reviews.llvm.org/D99623

Files:
  clang/include/clang/Basic/BuiltinsWebAssembly.def
  clang/lib/CodeGen/CGBuiltin.cpp
  clang/test/CodeGen/builtins-wasm.c
  llvm/include/llvm/IR/IntrinsicsWebAssembly.td
  llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
  llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
  llvm/test/CodeGen/WebAssembly/simd-comparisons.ll
  llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll
  llvm/test/CodeGen/WebAssembly/simd-select.ll
  llvm/test/MC/WebAssembly/simd-encodings.s

Index: llvm/test/MC/WebAssembly/simd-encodings.s
===================================================================
--- llvm/test/MC/WebAssembly/simd-encodings.s
+++ llvm/test/MC/WebAssembly/simd-encodings.s
@@ -653,17 +653,23 @@
     # CHECK: i64x2.mul # encoding: [0xfd,0xd5,0x01]
     i64x2.mul
 
-    # TODO: i64x2.eq # encoding: [0xfd,0xd6,0x01]
+    # CHECK: i64x2.eq # encoding: [0xfd,0xd6,0x01]
+    i64x2.eq
 
-    # TODO: i64x2.ne # encoding: [0xfd,0xd7,0x01]
+    # CHECK: i64x2.ne # encoding: [0xfd,0xd7,0x01]
+    i64x2.ne
 
-    # TODO: i64x2.lt_s # encoding: [0xfd,0xd8,0x01]
+    # CHECK: i64x2.lt_s # encoding: [0xfd,0xd8,0x01]
+    i64x2.lt_s
 
-    # TODO: i64x2.gt_s # encoding: [0xfd,0xd9,0x01]
+    # CHECK: i64x2.gt_s # encoding: [0xfd,0xd9,0x01]
+    i64x2.gt_s
 
-    # TODO: i64x2.le_s # encoding: [0xfd,0xda,0x01]
+    # CHECK: i64x2.le_s # encoding: [0xfd,0xda,0x01]
+    i64x2.le_s
 
-    # TODO: i64x2.ge_s # encoding: [0xfd,0xdb,0x01]
+    # CHECK: i64x2.ge_s # encoding: [0xfd,0xdb,0x01]
+    i64x2.ge_s
 
     # CHECK: i64x2.extmul_low_i32x4_s # encoding: [0xfd,0xdc,0x01]
     i64x2.extmul_low_i32x4_s
Index: llvm/test/CodeGen/WebAssembly/simd-select.ll
===================================================================
--- llvm/test/CodeGen/WebAssembly/simd-select.ll
+++ llvm/test/CodeGen/WebAssembly/simd-select.ll
@@ -299,33 +299,17 @@
   ret <2 x i64> %res
 }
 
-define <2 x i64> @vselect_cmp_v2i64(<2 x i64> %a, <2 x i64> %b,
+define <2 x i64> @vselect_cmp_v2i64(<2 x i64> %a, <2 x i64> %b, <2 x i64> %x, <2 x i64> %y) {
 ; CHECK-LABEL: vselect_cmp_v2i64:
 ; CHECK:         .functype vselect_cmp_v2i64 (v128, v128, v128, v128) -> (v128)
 ; CHECK-NEXT:  # %bb.0:
 ; CHECK-NEXT:    local.get 2
 ; CHECK-NEXT:    local.get 3
-; CHECK-NEXT:    i64.const -1
-; CHECK-NEXT:    i64.const 0
 ; CHECK-NEXT:    local.get 0
-; CHECK-NEXT:    i64x2.extract_lane 0
 ; CHECK-NEXT:    local.get 1
-; CHECK-NEXT:    i64x2.extract_lane 0
-; CHECK-NEXT:    i64.lt_s
-; CHECK-NEXT:    i64.select
-; CHECK-NEXT:    i64x2.splat
-; CHECK-NEXT:    i64.const -1
-; CHECK-NEXT:    i64.const 0
-; CHECK-NEXT:    local.get 0
-; CHECK-NEXT:    i64x2.extract_lane 1
-; CHECK-NEXT:    local.get 1
-; CHECK-NEXT:    i64x2.extract_lane 1
-; CHECK-NEXT:    i64.lt_s
-; CHECK-NEXT:    i64.select
-; CHECK-NEXT:    i64x2.replace_lane 1
+; CHECK-NEXT:    i64x2.lt_s
 ; CHECK-NEXT:    v128.bitselect
 ; CHECK-NEXT:    # fallthrough-return
-                                    <2 x i64> %x, <2 x i64> %y) {
   %c = icmp slt <2 x i64> %a, %b
   %res = select <2 x i1> %c, <2 x i64> %x, <2 x i64> %y
   ret <2 x i64> %res
Index: llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll
===================================================================
--- llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll
+++ llvm/test/CodeGen/WebAssembly/simd-intrinsics.ll
@@ -553,16 +553,6 @@
 ; ==============================================================================
 ; 2 x i64
 ; ==============================================================================
-; CHECK-LABEL: eq_v2i64:
-; CHECK-NEXT: .functype eq_v2i64 (v128, v128) -> (v128){{$}}
-; CHECK-NEXT: i64x2.eq $push[[R:[0-9]+]]=, $0, $1{{$}}
-; CHECK-NEXT: return $pop[[R]]{{$}}
-declare <2 x i64> @llvm.wasm.eq(<2 x i64>, <2 x i64>)
-define <2 x i64> @eq_v2i64(<2 x i64> %x, <2 x i64> %y) {
-  %a = call <2 x i64> @llvm.wasm.eq(<2 x i64> %x, <2 x i64> %y)
-  ret <2 x i64> %a
-}
-
 ; CHECK-LABEL: extend_low_s_v2i64:
 ; CHECK-NEXT: .functype extend_low_s_v2i64 (v128) -> (v128){{$}}
 ; CHECK-NEXT: i64x2.extend_low_i32x4_s $push[[R:[0-9]+]]=, $0{{$}}
Index: llvm/test/CodeGen/WebAssembly/simd-comparisons.ll
===================================================================
--- llvm/test/CodeGen/WebAssembly/simd-comparisons.ll
+++ llvm/test/CodeGen/WebAssembly/simd-comparisons.ll
@@ -637,14 +637,20 @@
 }
 
 ; CHECK-LABEL: compare_eq_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_eq_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.eq $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_eq_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp eq <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_eq_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_eq_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.eq $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_eq_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp eq <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -652,14 +658,20 @@
 }
 
 ; CHECK-LABEL: compare_ne_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_ne_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.ne $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_ne_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp ne <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_ne_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_ne_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.ne $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_ne_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp ne <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -667,14 +679,20 @@
 }
 
 ; CHECK-LABEL: compare_slt_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_slt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.lt_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_slt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp slt <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_slt_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_slt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.lt_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_slt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp slt <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -683,6 +701,7 @@
 
 ; CHECK-LABEL: compare_ult_v2i64:
 ; SIMD128-NEXT: .functype compare_ult_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.lt_u
 define <2 x i1> @compare_ult_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp ult <2 x i64> %x, %y
   ret <2 x i1> %res
@@ -690,6 +709,7 @@
 
 ; CHECK-LABEL: compare_sext_ult_v2i64:
 ; SIMD128-NEXT: .functype compare_sext_ult_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.lt_u
 define <2 x i64> @compare_sext_ult_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp ult <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -697,14 +717,20 @@
 }
 
 ; CHECK-LABEL: compare_sle_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sle_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.le_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_sle_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp sle <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_sle_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_sle_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.le_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_sle_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp sle <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -713,6 +739,7 @@
 
 ; CHECK-LABEL: compare_ule_v2i64:
 ; SIMD128-NEXT: .functype compare_ule_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.le_u
 define <2 x i1> @compare_ule_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp ule <2 x i64> %x, %y
   ret <2 x i1> %res
@@ -720,6 +747,7 @@
 
 ; CHECK-LABEL: compare_sext_ule_v2i64:
 ; SIMD128-NEXT: .functype compare_sext_ule_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.le_u
 define <2 x i64> @compare_sext_ule_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp ule <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -727,14 +755,20 @@
 }
 
 ; CHECK-LABEL: compare_sgt_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sgt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.gt_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_sgt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp sgt <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_sgt_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_sgt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.gt_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_sgt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp sgt <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -743,6 +777,7 @@
 
 ; CHECK-LABEL: compare_ugt_v2i64:
 ; SIMD128-NEXT: .functype compare_ugt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.gt_u
 define <2 x i1> @compare_ugt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp ugt <2 x i64> %x, %y
   ret <2 x i1> %res
@@ -750,6 +785,7 @@
 
 ; CHECK-LABEL: compare_sext_ugt_v2i64:
 ; SIMD128-NEXT: .functype compare_sext_ugt_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.gt_u
 define <2 x i64> @compare_sext_ugt_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp ugt <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -757,14 +793,20 @@
 }
 
 ; CHECK-LABEL: compare_sge_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sge_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.ge_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i1> @compare_sge_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp sge <2 x i64> %x, %y
   ret <2 x i1> %res
 }
 
 ; CHECK-LABEL: compare_sext_sge_v2i64:
+; NO-SIMD128-NOT: i64x2
 ; SIMD128-NEXT: .functype compare_sext_sge_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128-NEXT: i64x2.ge_s $push[[R:[0-9]+]]=, $0, $1{{$}}
+; SIMD128-NEXT: return $pop[[R]]{{$}}
 define <2 x i64> @compare_sext_sge_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp sge <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
@@ -773,6 +815,7 @@
 
 ; CHECK-LABEL: compare_uge_v2i64:
 ; SIMD128-NEXT: .functype compare_uge_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.ge_u
 define <2 x i1> @compare_uge_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %res = icmp uge <2 x i64> %x, %y
   ret <2 x i1> %res
@@ -780,6 +823,7 @@
 
 ; CHECK-LABEL: compare_sext_uge_v2i64:
 ; SIMD128-NEXT: .functype compare_sext_uge_v2i64 (v128, v128) -> (v128){{$}}
+; SIMD128: i64.ge_u
 define <2 x i64> @compare_sext_uge_v2i64 (<2 x i64> %x, <2 x i64> %y) {
   %cmp = icmp uge <2 x i64> %x, %y
   %res = sext <2 x i1> %cmp to <2 x i64>
Index: llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
===================================================================
--- llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
+++ llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
@@ -650,32 +650,38 @@
 // Equality: eq
 let isCommutable = 1 in {
 defm EQ : SIMDConditionInt<"eq", SETEQ, 35>;
+defm EQ : SIMDCondition<I64x2, "eq", SETEQ, 214>;
 defm EQ : SIMDConditionFP<"eq", SETOEQ, 65>;
 } // isCommutable = 1
 
 // Non-equality: ne
 let isCommutable = 1 in {
 defm NE : SIMDConditionInt<"ne", SETNE, 36>;
+defm NE : SIMDCondition<I64x2, "ne", SETNE, 215>;
 defm NE : SIMDConditionFP<"ne", SETUNE, 66>;
 } // isCommutable = 1
 
 // Less than: lt_s / lt_u / lt
 defm LT_S : SIMDConditionInt<"lt_s", SETLT, 37>;
+defm LT_S : SIMDCondition<I64x2, "lt_s", SETLT, 216>;
 defm LT_U : SIMDConditionInt<"lt_u", SETULT, 38>;
 defm LT : SIMDConditionFP<"lt", SETOLT, 67>;
 
 // Greater than: gt_s / gt_u / gt
 defm GT_S : SIMDConditionInt<"gt_s", SETGT, 39>;
+defm GT_S : SIMDCondition<I64x2, "gt_s", SETGT, 217>;
 defm GT_U : SIMDConditionInt<"gt_u", SETUGT, 40>;
 defm GT : SIMDConditionFP<"gt", SETOGT, 68>;
 
 // Less than or equal: le_s / le_u / le
 defm LE_S : SIMDConditionInt<"le_s", SETLE, 41>;
+defm LE_S : SIMDCondition<I64x2, "le_s", SETLE, 218>;
 defm LE_U : SIMDConditionInt<"le_u", SETULE, 42>;
 defm LE : SIMDConditionFP<"le", SETOLE, 69>;
 
 // Greater than or equal: ge_s / ge_u / ge
 defm GE_S : SIMDConditionInt<"ge_s", SETGE, 43>;
+defm GE_S : SIMDCondition<I64x2, "ge_s", SETGE, 219>;
 defm GE_U : SIMDConditionInt<"ge_u", SETUGE, 44>;
 defm GE : SIMDConditionFP<"ge", SETOGE, 70>;
 
@@ -692,14 +698,6 @@
 def : Pat<(v2i64 (nodes[0] (v2f64 V128:$lhs), (v2f64 V128:$rhs))),
           (nodes[1] $lhs, $rhs)>;
 
-// Prototype i64x2.eq
-defm EQ_v2i64 :
-  SIMD_I<(outs V128:$dst), (ins V128:$lhs, V128:$rhs), (outs), (ins),
-         [(set (v2i64 V128:$dst),
-           (int_wasm_eq (v2i64 V128:$lhs), (v2i64 V128:$rhs)))],
-         "i64x2.eq\t$dst, $lhs, $rhs", "i64x2.eq", 192>;
-
-
 //===----------------------------------------------------------------------===//
 // Bitwise operations
 //===----------------------------------------------------------------------===//
Index: llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
===================================================================
--- llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
+++ llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -186,9 +186,9 @@
       for (auto T : {MVT::v4f32, MVT::v2f64})
         setOperationAction(Op, T, Expand);
 
-    // Expand operations not supported for i64x2 vectors
-    for (unsigned CC = 0; CC < ISD::SETCC_INVALID; ++CC)
-      setCondCodeAction(static_cast<ISD::CondCode>(CC), MVT::v2i64, Custom);
+    // Unsigned comparison operations are unavailable for i64x2 vectors.
+    for (auto CC : {ISD::SETUGT, ISD::SETUGE, ISD::SETULT, ISD::SETULE})
+      setCondCodeAction(CC, MVT::v2i64, Custom);
 
     // 64x2 conversions are not in the spec
     for (auto Op :
@@ -1779,11 +1779,8 @@
 SDValue WebAssemblyTargetLowering::LowerSETCC(SDValue Op,
                                               SelectionDAG &DAG) const {
   SDLoc DL(Op);
-  // The legalizer does not know how to expand the comparison modes of i64x2
-  // vectors because no comparison modes are supported. We could solve this by
-  // expanding all i64x2 SETCC nodes, but that seems to expand f64x2 SETCC nodes
-  // (which return i64x2 results) as well. So instead we manually unroll i64x2
-  // comparisons here.
+  // The legalizer does not know how to expand the unsupported comparison modes
+  // of i64x2 vectors, so we manually unroll them here.
   assert(Op->getOperand(0)->getSimpleValueType(0) == MVT::v2i64);
   SmallVector<SDValue, 2> LHS, RHS;
   DAG.ExtractVectorElements(Op->getOperand(0), LHS);
Index: llvm/include/llvm/IR/IntrinsicsWebAssembly.td
===================================================================
--- llvm/include/llvm/IR/IntrinsicsWebAssembly.td
+++ llvm/include/llvm/IR/IntrinsicsWebAssembly.td
@@ -294,13 +294,6 @@
             [LLVMSubdivide2VectorType<0>],
             [IntrNoMem, IntrSpeculatable]>;
 
-// TODO: Remove this intrinsic and the associated builtin if i64x2.eq gets
-// merged to the proposal.
-def int_wasm_eq :
-  Intrinsic<[llvm_v2i64_ty],
-            [llvm_v2i64_ty, llvm_v2i64_ty],
-            [IntrNoMem, IntrSpeculatable]>;
-
 // TODO: Remove these if possible if they are merged to the spec.
 def int_wasm_convert_low_signed :
   Intrinsic<[llvm_v2f64_ty], [llvm_v4i32_ty],
Index: clang/test/CodeGen/builtins-wasm.c
===================================================================
--- clang/test/CodeGen/builtins-wasm.c
+++ clang/test/CodeGen/builtins-wasm.c
@@ -650,12 +650,6 @@
   // WEBASSEMBLY-NEXT: ret
 }
 
-i64x2 eq_i64x2(i64x2 x, i64x2 y) {
-  return __builtin_wasm_eq_i64x2(x, y);
-  // WEBASSEMBLY: call <2 x i64> @llvm.wasm.eq(<2 x i64> %x, <2 x i64> %y)
-  // WEBASSEMBLY-NEXT: ret
-}
-
 int any_true_i8x16(i8x16 x) {
   return __builtin_wasm_any_true_i8x16(x);
   // WEBASSEMBLY: call i32 @llvm.wasm.anytrue.v16i8(<16 x i8> %x)
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -17400,12 +17400,6 @@
     Function *Callee = CGM.getIntrinsic(Intrinsic::wasm_popcnt);
     return Builder.CreateCall(Callee, {Vec});
   }
-  case WebAssembly::BI__builtin_wasm_eq_i64x2: {
-    Value *LHS = EmitScalarExpr(E->getArg(0));
-    Value *RHS = EmitScalarExpr(E->getArg(1));
-    Function *Callee = CGM.getIntrinsic(Intrinsic::wasm_eq);
-    return Builder.CreateCall(Callee, {LHS, RHS});
-  }
   case WebAssembly::BI__builtin_wasm_any_true_i8x16:
   case WebAssembly::BI__builtin_wasm_any_true_i16x8:
   case WebAssembly::BI__builtin_wasm_any_true_i32x4:
Index: clang/include/clang/Basic/BuiltinsWebAssembly.def
===================================================================
--- clang/include/clang/Basic/BuiltinsWebAssembly.def
+++ clang/include/clang/Basic/BuiltinsWebAssembly.def
@@ -215,7 +215,5 @@
 TARGET_BUILTIN(__builtin_wasm_store32_lane, "vi*V4iIi", "n", "simd128")
 TARGET_BUILTIN(__builtin_wasm_store64_lane, "vLLi*V2LLiIi", "n", "simd128")
 
-TARGET_BUILTIN(__builtin_wasm_eq_i64x2, "V2LLiV2LLiV2LLi", "nc", "simd128")
-
 #undef BUILTIN
 #undef TARGET_BUILTIN
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