| ; 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(i8* %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(i8* %p) #1 |
| ret void |
| } |
| |
| declare void @llvm.x86.clzero(i8*) #1 |
