llvm/test/CodeGen/WebAssembly/comparisons-i32.ll

; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers | FileCheck %s --check-prefixes CHECK,SLOW
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 | FileCheck %s --check-prefixes CHECK,FAST

; Test that basic 32-bit integer comparison operations assemble as expected.

target triple = "wasm32-unknown-unknown"

; CHECK-LABEL: eq_i32:
; CHECK-NEXT: .functype eq_i32 (i32, i32) -> (i32){{$}}
; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 1{{$}}
; CHECK-NEXT: i32.eq $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; SLOW-NEXT: return $pop[[L2]]{{$}}
; FAST-NEXT:  i32.const $push[[L3:[0-9]+]]=, 1{{$}}
; FAST-NEXT:  i32.and $push[[L4:[0-9]+]]=, $pop[[L2]], $pop[[L3]]{{$}}
; FAST-NEXT:  return $pop[[L4]]{{$}}
define i32 @eq_i32(i32 %x, i32 %y) {
  %a = icmp eq i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: ne_i32:
; CHECK: i32.ne $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @ne_i32(i32 %x, i32 %y) {
  %a = icmp ne i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: slt_i32:
; CHECK: i32.lt_s $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @slt_i32(i32 %x, i32 %y) {
  %a = icmp slt i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: sle_i32:
; CHECK: i32.le_s $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @sle_i32(i32 %x, i32 %y) {
  %a = icmp sle i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: ult_i32:
; CHECK: i32.lt_u $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @ult_i32(i32 %x, i32 %y) {
  %a = icmp ult i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: ule_i32:
; CHECK: i32.le_u $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @ule_i32(i32 %x, i32 %y) {
  %a = icmp ule i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: sgt_i32:
; CHECK: i32.gt_s $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @sgt_i32(i32 %x, i32 %y) {
  %a = icmp sgt i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: sge_i32:
; CHECK: i32.ge_s $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @sge_i32(i32 %x, i32 %y) {
  %a = icmp sge i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: ugt_i32:
; CHECK: i32.gt_u $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @ugt_i32(i32 %x, i32 %y) {
  %a = icmp ugt i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}

; CHECK-LABEL: uge_i32:
; CHECK: i32.ge_u $push[[L0:[0-9]+]]=, $pop{{[0-9]+}}, $pop{{[0-9]+}}{{$}}
; SLOW-NEXT: return $pop[[L0]]{{$}}
; FAST-NEXT: i32.const $push[[L1:[0-9]+]]=, 1{{$}}
; FAST-NEXT: i32.and $push[[L2:[0-9]+]]=, $pop[[L0]], $pop[[L1]]{{$}}
; FAST-NEXT: return $pop[[L2]]{{$}}
define i32 @uge_i32(i32 %x, i32 %y) {
  %a = icmp uge i32 %x, %y
  %b = zext i1 %a to i32
  ret i32 %b
}