| ; 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() | |