diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/rdpid-schedule.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/rdpid-schedule.ll b/llvm/test/CodeGen/X86/rdpid-schedule.ll new file mode 100644 index 00000000000..99042f4116b --- /dev/null +++ b/llvm/test/CodeGen/X86/rdpid-schedule.ll @@ -0,0 +1,20 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdpid | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=icelake | FileCheck %s --check-prefix=CHECK --check-prefix=ICELAKE + +define i32 @test_rdpid() { +; GENERIC-LABEL: test_rdpid: +; GENERIC: # %bb.0: +; GENERIC-NEXT: rdpid %rax # sched: [100:0.33] +; GENERIC-NEXT: # kill: def %eax killed %eax killed %rax +; GENERIC-NEXT: retq # sched: [1:1.00] +; +; ICELAKE-LABEL: test_rdpid: +; ICELAKE: # %bb.0: +; ICELAKE-NEXT: rdpid %rax # sched: [100:0.25] +; ICELAKE-NEXT: # kill: def %eax killed %eax killed %rax +; ICELAKE-NEXT: retq # sched: [7:1.00] + %1 = tail call i32 @llvm.x86.rdpid() + ret i32 %1 +} +declare i32 @llvm.x86.rdpid() |
