; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-apple-darwin -mcpu=knl --show-mc-encoding -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,X86 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl --show-mc-encoding -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,X64 declare i32 @llvm.x86.rdpkru() declare void @llvm.x86.wrpkru(i32) define void @test_x86_wrpkru(i32 %src) { ; X86-LABEL: test_x86_wrpkru: ; X86: ## %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04] ; X86-NEXT: xorl %edx, %edx ## encoding: [0x31,0xd2] ; X86-NEXT: xorl %ecx, %ecx ## encoding: [0x31,0xc9] ; X86-NEXT: wrpkru ## encoding: [0x0f,0x01,0xef] ; X86-NEXT: retl ## encoding: [0xc3] ; ; X64-LABEL: test_x86_wrpkru: ; X64: ## %bb.0: ; X64-NEXT: movl %edi, %eax ## encoding: [0x89,0xf8] ; X64-NEXT: xorl %edx, %edx ## encoding: [0x31,0xd2] ; X64-NEXT: xorl %ecx, %ecx ## encoding: [0x31,0xc9] ; X64-NEXT: wrpkru ## encoding: [0x0f,0x01,0xef] ; X64-NEXT: retq ## encoding: [0xc3] 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 ## encoding: [0x31,0xc9] ; CHECK-NEXT: rdpkru ## encoding: [0x0f,0x01,0xee] ; CHECK-NEXT: ret{{[l|q]}} ## encoding: [0xc3] %res = call i32 @llvm.x86.rdpkru() ret i32 %res }