blob: e9d1f6c2d1b2cc82978c1d9b2fd618d4ed2a72fc [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc < %s -mtriple=riscv64 | FileCheck %s
define i16 @narrow_load(ptr %p1, ptr %p2) {
; CHECK-LABEL: narrow_load:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: lhu a2, 0(a0)
; CHECK-NEXT: lui a3, 2
; CHECK-NEXT: addiw a3, a3, -1
; CHECK-NEXT: xor a2, a2, a3
; CHECK-NEXT: lui a4, 16
; CHECK-NEXT: addi a4, a4, -1
; CHECK-NEXT: xor a4, a3, a4
; CHECK-NEXT: or a2, a2, a4
; CHECK-NEXT: sw a2, 0(a1)
; CHECK-NEXT: lhu a0, 0(a0)
; CHECK-NEXT: and a0, a0, a3
; CHECK-NEXT: ret
entry:
%bf.load = load i16, ptr %p1, align 2
%bf.clear = and i16 %bf.load, 8191
%not = xor i16 %bf.clear, -1
%conv1 = zext i16 %not to i32
store i32 %conv1, ptr %p2, align 4
%bf.load2 = load i16, ptr %p1, align 2
%bf.clear3 = and i16 %bf.load2, 8191
ret i16 %bf.clear3
}