| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding| FileCheck %s |
| declare i32 @llvm.x86.rdpkru() |
| declare void @llvm.x86.wrpkru(i32) |
| |
| define void @test_x86_wrpkru(i32 %src) { |
| ; CHECK-LABEL: test_x86_wrpkru: |
| ; CHECK: ## BB#0: |
| ; CHECK-NEXT: xorl %ecx, %ecx |
| ; CHECK-NEXT: xorl %edx, %edx |
| ; CHECK-NEXT: movl %edi, %eax |
| ; CHECK-NEXT: wrpkru |
| ; CHECK-NEXT: retq |
| call void @llvm.x86.wrpkru(i32 %src) |
| ret void |
| } |
| |
| define i32 @test_x86_rdpkru() { |
| ; CHECK-LABEL: test_x86_rdpkru: |
| ; CHECK: ## BB#0: |
| ; CHECK-NEXT: xorl %ecx, %ecx |
| ; CHECK-NEXT: rdpkru |
| ; CHECK-NEXT: retq |
| %res = call i32 @llvm.x86.rdpkru() |
| ret i32 %res |
| } |
