; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mattr=+wide-arithmetic < %s | FileCheck %s

target triple = "wasm32-unknown-unknown"

define i128 @add_i128(i128 %a, i128 %b) {
; CHECK-LABEL: add_i128:
; CHECK:         .functype add_i128 (i32, i64, i64, i64, i64) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    local.get 4
; CHECK-NEXT:    i64.add128
; CHECK-NEXT:    local.set 3
; CHECK-NEXT:    local.set 4
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    i64.store 8
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 4
; CHECK-NEXT:    i64.store 0
; CHECK-NEXT:    # fallthrough-return
  %c = add i128 %a, %b
  ret i128 %c
}

define i128 @sub_i128(i128 %a, i128 %b) {
; CHECK-LABEL: sub_i128:
; CHECK:         .functype sub_i128 (i32, i64, i64, i64, i64) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    local.get 4
; CHECK-NEXT:    i64.sub128
; CHECK-NEXT:    local.set 3
; CHECK-NEXT:    local.set 4
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    i64.store 8
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 4
; CHECK-NEXT:    i64.store 0
; CHECK-NEXT:    # fallthrough-return
  %c = sub i128 %a, %b
  ret i128 %c
}

define i128 @mul_i128(i128 %a, i128 %b) {
; CHECK-LABEL: mul_i128:
; CHECK:         .functype mul_i128 (i32, i64, i64, i64, i64) -> ()
; CHECK-NEXT:    .local i64
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    i64.mul_wide_u
; CHECK-NEXT:    local.set 5
; CHECK-NEXT:    i64.store 0
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 5
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 4
; CHECK-NEXT:    i64.mul
; CHECK-NEXT:    i64.add
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    local.get 3
; CHECK-NEXT:    i64.mul
; CHECK-NEXT:    i64.add
; CHECK-NEXT:    i64.store 8
; CHECK-NEXT:    # fallthrough-return
  %c = mul i128 %a, %b
  ret i128 %c
}

define i128 @i64_mul_wide_s(i64 %a, i64 %b) {
; CHECK-LABEL: i64_mul_wide_s:
; CHECK:         .functype i64_mul_wide_s (i32, i64, i64) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    i64.mul_wide_s
; CHECK-NEXT:    local.set 1
; CHECK-NEXT:    local.set 2
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    i64.store 8
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    i64.store 0
; CHECK-NEXT:    # fallthrough-return
  %a128 = sext i64 %a to i128
  %b128 = sext i64 %b to i128
  %c = mul i128 %a128, %b128
  ret i128 %c
}

define i128 @i64_mul_wide_u(i64 %a, i64 %b) {
; CHECK-LABEL: i64_mul_wide_u:
; CHECK:         .functype i64_mul_wide_u (i32, i64, i64) -> ()
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    i64.mul_wide_u
; CHECK-NEXT:    local.set 1
; CHECK-NEXT:    local.set 2
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 1
; CHECK-NEXT:    i64.store 8
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    i64.store 0
; CHECK-NEXT:    # fallthrough-return
  %a128 = zext i64 %a to i128
  %b128 = zext i64 %b to i128
  %c = mul i128 %a128, %b128
  ret i128 %c
}

define i64 @mul_i128_only_lo(i128 %a, i128 %b) {
; CHECK-LABEL: mul_i128_only_lo:
; CHECK:         .functype mul_i128_only_lo (i64, i64, i64, i64) -> (i64)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    local.get 0
; CHECK-NEXT:    local.get 2
; CHECK-NEXT:    i64.mul
; CHECK-NEXT:    # fallthrough-return
  %c = mul i128 %a, %b
  %d = trunc i128 %c to i64
  ret i64 %d
}