blob: 1eff33946825c8ce655ad2174cc1d8cfd34e3885 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
@a = external dso_local local_unnamed_addr global i64, align 8
@c = external dso_local local_unnamed_addr global i64, align 8
@b = external dso_local local_unnamed_addr global i64, align 8
; Should generate a 16-bit load
define void @foo() {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: movzwl a+{{.*}}(%rip), %eax
; CHECK-NEXT: movq %rax, {{.*}}(%rip)
; CHECK-NEXT: retq
entry:
%0 = load i64, i64* @a, align 8
%1 = load i64, i64* @c, align 8
%and = and i64 %1, -16384
%add = add nsw i64 %and, 4503359447364223024
%shr = lshr i64 %0, %add
%conv1 = and i64 %shr, 4294967295
store i64 %conv1, i64* @b, align 8
ret void
}