llvm-project/llvm/test/CodeGen/X86/shift-pair.ll

15 lines
384 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
define i64 @test(i64 %A) {
; CHECK-LABEL: test:
; CHECK: # %bb.0:
; CHECK-NEXT: shrq $54, %rdi
; CHECK-NEXT: andl $-4, %edi
; CHECK-NEXT: movq %rdi, %rax
; CHECK-NEXT: retq
%B = lshr i64 %A, 56
%C = shl i64 %B, 2
ret i64 %C
}