test/CodeGen/WebAssembly/fast-isel-atomic-fold.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple=wasm32 -mattr=+atomics -wasm-disable-explicit-locals -wasm-keep-registers -fast-isel -O0 < %s | FileCheck %s

define i64 @sext_atomic_i8(ptr %p) {
; CHECK-LABEL: sext_atomic_i8:
; CHECK:         .functype sext_atomic_i8 (i32) -> (i64)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    i32.atomic.load8_u $push0=, 0($0)
; CHECK-NEXT:    i64.extend_i32_u $push1=, $pop0
; CHECK-NEXT:    i64.extend8_s $push2=, $pop1
; CHECK-NEXT:    return $pop2
  %v = load atomic i8, ptr %p seq_cst, align 1
  %s = sext i8 %v to i64
  ret i64 %s
}

define i32 @zext_atomic_i8(ptr %p) {
; CHECK-LABEL: zext_atomic_i8:
; CHECK:         .functype zext_atomic_i8 (i32) -> (i32)
; CHECK-NEXT:  # %bb.0:
; CHECK-NEXT:    i32.atomic.load8_u $push0=, 0($0)
; CHECK-NEXT:    i32.const $push1=, 255
; CHECK-NEXT:    i32.and $push2=, $pop0, $pop1
; CHECK-NEXT:    return $pop2
  %v = load atomic i8, ptr %p seq_cst, align 1
  %z = zext i8 %v to i32
  ret i32 %z
}