| David Majnemer | 1c7d532 | 2016-06-28 16:04:46 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding -verify-machineinstrs | FileCheck %s |
| Dimitry Andric | 227b928 | 2016-01-03 17:22:03 +0000 | [diff] [blame] | 2 | declare i32 @llvm.x86.rdpkru() |
| 3 | declare void @llvm.x86.wrpkru(i32) |
| 4 | |
| 5 | define void @test_x86_wrpkru(i32 %src) { |
| 6 | ; CHECK-LABEL: test_x86_wrpkru: |
| 7 | ; CHECK: ## BB#0: |
| 8 | ; CHECK-NEXT: xorl %ecx, %ecx |
| 9 | ; CHECK-NEXT: xorl %edx, %edx |
| 10 | ; CHECK-NEXT: movl %edi, %eax |
| 11 | ; CHECK-NEXT: wrpkru |
| 12 | ; CHECK-NEXT: retq |
| 13 | call void @llvm.x86.wrpkru(i32 %src) |
| 14 | ret void |
| 15 | } |
| 16 | |
| 17 | define i32 @test_x86_rdpkru() { |
| 18 | ; CHECK-LABEL: test_x86_rdpkru: |
| 19 | ; CHECK: ## BB#0: |
| 20 | ; CHECK-NEXT: xorl %ecx, %ecx |
| 21 | ; CHECK-NEXT: rdpkru |
| 22 | ; CHECK-NEXT: retq |
| 23 | %res = call i32 @llvm.x86.rdpkru() |
| 24 | ret i32 %res |
| 25 | } |