| Craig Topper | 84b26b9 | 2018-01-18 23:52:31 +0000 | [diff] [blame^] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| 2 | ; RUN: llc < %s -mtriple=x86_64-- -mattr=rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=X86-64 |
| 3 | ; RUN: llc < %s -mtriple=i686-- -mattr=rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=X86 |
| 4 | |
| 5 | define i32 @test_builtin_rdpid() { |
| 6 | ; X86-64-LABEL: test_builtin_rdpid: |
| 7 | ; X86-64: # %bb.0: |
| 8 | ; X86-64-NEXT: rdpid %rax |
| 9 | ; X86-64-NEXT: # kill: def %eax killed %eax killed %rax |
| 10 | ; X86-64-NEXT: retq |
| 11 | ; |
| 12 | ; X86-LABEL: test_builtin_rdpid: |
| 13 | ; X86: # %bb.0: |
| 14 | ; X86-NEXT: rdpid %eax |
| 15 | ; X86-NEXT: retl |
| 16 | %1 = tail call i32 @llvm.x86.rdpid() |
| 17 | ret i32 %1 |
| 18 | } |
| 19 | |
| 20 | declare i32 @llvm.x86.rdpid() |
| 21 | |