llvm/test/CodeGen/WebAssembly/simd.ll

; RUN: llc < %s -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals -wasm-enable-unimplemented-simd -mattr=+simd128,+sign-ext --show-mc-encoding | FileCheck %s --check-prefixes CHECK,SIMD128
; RUN: llc < %s -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals -mattr=+simd128,+sign-ext --show-mc-encoding | FileCheck %s --check-prefixes CHECK,SIMD128-VM
; RUN: llc < %s -disable-wasm-fallthrough-return-opt -disable-wasm-explicit-locals -mattr=-simd128,+sign-ext --show-mc-encoding | FileCheck %s --check-prefixes CHECK,NO-SIMD128

; Test that basic SIMD128 vector manipulation operations assemble as expected.

target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"

; ==============================================================================
; 16 x i8
; ==============================================================================
; CHECK-LABEL: splat_v16i8:
; NO-SIMD128-NOT: i8x16
; SIMD128: .param i32{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: i8x16.splat $push0=, $0 # encoding: [0xfd,0x03]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <16 x i8> @splat_v16i8(i8 %x) {
  %v = insertelement <16 x i8> undef, i8 %x, i32 0
  %res = shufflevector <16 x i8> %v, <16 x i8> undef,
    <16 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0,
                i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
  ret <16 x i8> %res
}

; CHECK-LABEL: extract_v16i8_s:
; NO-SIMD128-NOT: i8x16
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i8x16.extract_lane_s $push0=, $0, 13 # encoding: [0xfd,0x09,0x0d]{{$}}
; SIMD128: return $pop0 #
define i32 @extract_v16i8_s(<16 x i8> %v) {
  %elem = extractelement <16 x i8> %v, i8 13
  %a = sext i8 %elem to i32
  ret i32 %a
}

; CHECK-LABEL: extract_v16i8_u:
; NO-SIMD128-NOT: i8x16
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i8x16.extract_lane_u $push0=, $0, 13 # encoding: [0xfd,0x0a,0x0d]{{$}}
; SIMD128: return $pop0 #
define i32 @extract_v16i8_u(<16 x i8> %v) {
  %elem = extractelement <16 x i8> %v, i8 13
  %a = zext i8 %elem to i32
  ret i32 %a
}

; CHECK-LABEL: extract_v16i8:
; NO-SIMD128-NOT: i8x16
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i8x16.extract_lane_u $push0=, $0, 13 # encoding: [0xfd,0x0a,0x0d]{{$}}
; SIMD128: return $pop0 #
define i8 @extract_v16i8(<16 x i8> %v) {
  %elem = extractelement <16 x i8> %v, i8 13
  ret i8 %elem
}

; ==============================================================================
; 8 x i16
; ==============================================================================
; CHECK-LABEL: splat_v8i16:
; NO-SIMD128-NOT: i16x8
; SIMD128: .param i32{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: i16x8.splat $push0=, $0 # encoding: [0xfd,0x04]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <8 x i16> @splat_v8i16(i16 %x) {
  %v = insertelement <8 x i16> undef, i16 %x, i32 0
  %res = shufflevector <8 x i16> %v, <8 x i16> undef,
    <8 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>
  ret <8 x i16> %res
}

; CHECK-LABEL: extract_v8i16_s:
; NO-SIMD128-NOT: i16x8
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i16x8.extract_lane_s $push0=, $0, 5 # encoding: [0xfd,0x0b,0x05]{{$}}
; SIMD128: return $pop0 #
define i32 @extract_v8i16_s(<8 x i16> %v) {
  %elem = extractelement <8 x i16> %v, i16 5
  %a = sext i16 %elem to i32
  ret i32 %a
}

; CHECK-LABEL: extract_v8i16_u:
; NO-SIMD128-NOT: i16x8
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i16x8.extract_lane_u $push0=, $0, 5 # encoding: [0xfd,0x0c,0x05]{{$}}
; SIMD128: return $pop0 #
define i32 @extract_v8i16_u(<8 x i16> %v) {
  %elem = extractelement <8 x i16> %v, i16 5
  %a = zext i16 %elem to i32
  ret i32 %a
}

; CHECK-LABEL: extract_v8i16:
; NO-SIMD128-NOT: i16x8
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i16x8.extract_lane_u $push0=, $0, 5 # encoding: [0xfd,0x0c,0x05]{{$}}
; SIMD128: return $pop0 #
define i16 @extract_v8i16(<8 x i16> %v) {
  %elem = extractelement <8 x i16> %v, i16 5
  ret i16 %elem
}

; ==============================================================================
; 4 x i32
; ==============================================================================
; CHECK-LABEL: splat_v4i32:
; NO-SIMD128-NOT: i32x4
; SIMD128: .param i32{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: i32x4.splat $push0=, $0 # encoding: [0xfd,0x05]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <4 x i32> @splat_v4i32(i32 %x) {
  %v = insertelement <4 x i32> undef, i32 %x, i32 0
  %res = shufflevector <4 x i32> %v, <4 x i32> undef,
    <4 x i32> <i32 0, i32 0, i32 0, i32 0>
  ret <4 x i32> %res
}

; CHECK-LABEL: extract_v4i32:
; NO-SIMD128-NOT: i32x4
; SIMD128: .param v128{{$}}
; SIMD128: .result i32{{$}}
; SIMD128: i32x4.extract_lane $push0=, $0, 3 # encoding: [0xfd,0x0d,0x03]{{$}}
; SIMD128: return $pop0 #
define i32 @extract_v4i32(<4 x i32> %v) {
  %elem = extractelement <4 x i32> %v, i32 3
  ret i32 %elem
}

; ==============================================================================
; 2 x i64
; ==============================================================================
; CHECK-LABEL: splat_v2i64:
; NO-SIMD128-NOT: i64x2
; SIMD128-VM-NOT: i64x2
; SIMD128: .param i64{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: i64x2.splat $push0=, $0 # encoding: [0xfd,0x06]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <2 x i64> @splat_v2i64(i64 %x) {
  %t1 = insertelement <2 x i64> zeroinitializer, i64 %x, i32 0
  %res = insertelement <2 x i64> %t1, i64 %x, i32 1
  ret <2 x i64> %res
}

; CHECK-LABEL: extract_v2i64:
; NO-SIMD128-NOT: i64x2
; SIMD128-VM-NOT: i64x2
; SIMD128: .param v128{{$}}
; SIMD128: .result i64{{$}}
; SIMD128: i64x2.extract_lane $push0=, $0, 1 # encoding: [0xfd,0x0e,0x01]{{$}}
; SIMD128: return $pop0 #
define i64 @extract_v2i64(<2 x i64> %v) {
  %elem = extractelement <2 x i64> %v, i64 1
  ret i64 %elem
}

; ==============================================================================
; 4 x f32
; ==============================================================================
; CHECK-LABEL: splat_v4f32:
; NO-SIMD128-NOT: f32x4
; SIMD128: .param f32{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: f32x4.splat $push0=, $0 # encoding: [0xfd,0x07]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <4 x float> @splat_v4f32(float %x) {
  %v = insertelement <4 x float> undef, float %x, i32 0
  %res = shufflevector <4 x float> %v, <4 x float> undef,
    <4 x i32> <i32 0, i32 0, i32 0, i32 0>
  ret <4 x float> %res
}

; CHECK-LABEL: extract_v4f32:
; NO-SIMD128-NOT: f32x4
; SIMD128: .param v128{{$}}
; SIMD128: .result f32{{$}}
; SIMD128: f32x4.extract_lane $push0=, $0, 3 # encoding: [0xfd,0x0f,0x03]{{$}}
; SIMD128: return $pop0 #
define float @extract_v4f32(<4 x float> %v) {
  %elem = extractelement <4 x float> %v, i32 3
  ret float %elem
}

; ==============================================================================
; 2 x f64
; ==============================================================================
; CHECK-LABEL: splat_v2f64:
; NO-SIMD128-NOT: f64x2
; SIMD128-VM-NOT: f64x2
; SIMD128: .param f64{{$}}
; SIMD128: .result v128{{$}}
; SIMD128: f64x2.splat $push0=, $0 # encoding: [0xfd,0x08]{{$}}
; SIMD128: return $pop0 # encoding: [0x0f]{{$}}
define <2 x double> @splat_v2f64(double %x) {
  %t1 = insertelement <2 x double> zeroinitializer, double %x, i3 0
  %res = insertelement <2 x double> %t1, double %x, i32 1
  ret <2 x double> %res
}

; CHECK-LABEL: extract_v2f64:
; NO-SIMD128-NOT: f64x2
; SIMD128-VM-NOT: f64x2
; SIMD128: .param v128{{$}}
; SIMD128: .result f64{{$}}
; SIMD128: f64x2.extract_lane $push0=, $0, 1 # encoding: [0xfd,0x10,0x01]{{$}}
; SIMD128: return $pop0 #
define double @extract_v2f64(<2 x double> %v) {
  %elem = extractelement <2 x double> %v, i32 1
  ret double %elem
}