; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s --check-prefix=X64 declare {i16, i32} @llvm.x86.rdseed.16() declare {i32, i32} @llvm.x86.rdseed.32() define i32 @_rdseed16_step(ptr %random_val) { ; X86-LABEL: _rdseed16_step: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: rdseedw %ax ; X86-NEXT: movzwl %ax, %edx ; X86-NEXT: movl $1, %eax ; X86-NEXT: cmovael %edx, %eax ; X86-NEXT: movw %dx, (%ecx) ; X86-NEXT: retl ; ; X64-LABEL: _rdseed16_step: ; X64: # %bb.0: ; X64-NEXT: rdseedw %ax ; X64-NEXT: movzwl %ax, %ecx ; X64-NEXT: movl $1, %eax ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: movw %cx, (%rdi) ; X64-NEXT: retq %call = call {i16, i32} @llvm.x86.rdseed.16() %randval = extractvalue {i16, i32} %call, 0 store i16 %randval, ptr %random_val %isvalid = extractvalue {i16, i32} %call, 1 ret i32 %isvalid } define i32 @_rdseed32_step(ptr %random_val) { ; X86-LABEL: _rdseed32_step: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: rdseedl %edx ; X86-NEXT: movl $1, %eax ; X86-NEXT: cmovael %edx, %eax ; X86-NEXT: movl %edx, (%ecx) ; X86-NEXT: retl ; ; X64-LABEL: _rdseed32_step: ; X64: # %bb.0: ; X64-NEXT: rdseedl %ecx ; X64-NEXT: movl $1, %eax ; X64-NEXT: cmovael %ecx, %eax ; X64-NEXT: movl %ecx, (%rdi) ; X64-NEXT: retq %call = call {i32, i32} @llvm.x86.rdseed.32() %randval = extractvalue {i32, i32} %call, 0 store i32 %randval, ptr %random_val %isvalid = extractvalue {i32, i32} %call, 1 ret i32 %isvalid }