File: clzero.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux -mattr=+clzero | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-pc-linux -mattr=+clzero | FileCheck %s --check-prefix=X86

define void @foo(ptr %p) #0 {
; X64-LABEL: foo:
; X64:       # %bb.0: # %entry
; X64-NEXT:    movq %rdi, %rax
; X64-NEXT:    clzero
; X64-NEXT:    retq
;
; X86-LABEL: foo:
; X86:       # %bb.0: # %entry
; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
; X86-NEXT:    clzero
; X86-NEXT:    retl
entry:
  tail call void @llvm.x86.clzero(ptr %p) #1
  ret void
}

declare void @llvm.x86.clzero(ptr) #1