llvm-project/llvm/test/CodeGen/WebAssembly/f64.ll

; RUN: llc < %s -asm-verbose=false | FileCheck %s

; Test that basic 64-bit floating-point operations assemble as expected.

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

declare double @llvm.fabs.f64(double)
declare double @llvm.copysign.f64(double, double)
declare double @llvm.sqrt.f64(double)
declare double @llvm.ceil.f64(double)
declare double @llvm.floor.f64(double)
declare double @llvm.trunc.f64(double)
declare double @llvm.nearbyint.f64(double)
declare double @llvm.rint.f64(double)

; CHECK-LABEL: fadd64:
; CHECK-NEXT: .param f64{{$}}
; CHECK-NEXT: .param f64{{$}}
; CHECK-NEXT: .result f64{{$}}
; CHECK-NEXT: @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
; CHECK-NEXT: @0{{$}}
; CHECK-NEXT: set_local @3, pop{{$}}
; CHECK-NEXT: add @3, @2{{$}}
; CHECK-NEXT: set_local @4, pop{{$}}
; CHECK-NEXT: return @4{{$}}
define double @fadd64(double %x, double %y) {
  %a = fadd double %x, %y
  ret double %a
}

; CHECK-LABEL: fsub64:
; CHECK: sub @3, @2{{$}}
; CHECK-NEXT: set_local @4, pop{{$}}
define double @fsub64(double %x, double %y) {
  %a = fsub double %x, %y
  ret double %a
}

; CHECK-LABEL: fmul64:
; CHECK: mul @3, @2{{$}}
; CHECK-NEXT: set_local @4, pop{{$}}
define double @fmul64(double %x, double %y) {
  %a = fmul double %x, %y
  ret double %a
}

; CHECK-LABEL: fdiv64:
; CHECK: div @3, @2{{$}}
; CHECK-NEXT: set_local @4, pop{{$}}
define double @fdiv64(double %x, double %y) {
  %a = fdiv double %x, %y
  ret double %a
}

; CHECK-LABEL: fabs64:
; CHECK: abs @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @fabs64(double %x) {
  %a = call double @llvm.fabs.f64(double %x)
  ret double %a
}

; CHECK-LABEL: fneg64:
; CHECK: neg @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @fneg64(double %x) {
  %a = fsub double -0., %x
  ret double %a
}

; CHECK-LABEL: copysign64:
; CHECK: copysign @3, @2{{$}}
; CHECK-NEXT: set_local @4, pop{{$}}
define double @copysign64(double %x, double %y) {
  %a = call double @llvm.copysign.f64(double %x, double %y)
  ret double %a
}

; CHECK-LABEL: sqrt64:
; CHECK: sqrt @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @sqrt64(double %x) {
  %a = call double @llvm.sqrt.f64(double %x)
  ret double %a
}

; CHECK-LABEL: ceil64:
; CHECK: ceil @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @ceil64(double %x) {
  %a = call double @llvm.ceil.f64(double %x)
  ret double %a
}

; CHECK-LABEL: floor64:
; CHECK: floor @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @floor64(double %x) {
  %a = call double @llvm.floor.f64(double %x)
  ret double %a
}

; CHECK-LABEL: trunc64:
; CHECK: trunc @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @trunc64(double %x) {
  %a = call double @llvm.trunc.f64(double %x)
  ret double %a
}

; CHECK-LABEL: nearest64:
; CHECK: nearest @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @nearest64(double %x) {
  %a = call double @llvm.nearbyint.f64(double %x)
  ret double %a
}

; CHECK-LABEL: nearest64_via_rint:
; CHECK: nearest @1{{$}}
; CHECK-NEXT: set_local @2, pop{{$}}
define double @nearest64_via_rint(double %x) {
  %a = call double @llvm.rint.f64(double %x)
  ret double %a
}