| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -mattr=rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64 |
| ; RUN: llc < %s -mtriple=i686-- -mattr=rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=X86 |
| |
| define i32 @test_builtin_rdpid() { |
| ; X86-64-LABEL: test_builtin_rdpid: |
| ; X86-64: # %bb.0: |
| ; X86-64-NEXT: rdpid %rax |
| ; X86-64-NEXT: # kill: def $eax killed $eax killed $rax |
| ; X86-64-NEXT: retq |
| ; |
| ; X86-LABEL: test_builtin_rdpid: |
| ; X86: # %bb.0: |
| ; X86-NEXT: rdpid %eax |
| ; X86-NEXT: retl |
| %1 = tail call i32 @llvm.x86.rdpid() |
| ret i32 %1 |
| } |
| |
| declare i32 @llvm.x86.rdpid() |
| |