Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/rdseed.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children | 803732b1fca8 |
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s declare {i16, i32} @llvm.x86.rdseed.16() declare {i32, i32} @llvm.x86.rdseed.32() declare {i64, i32} @llvm.x86.rdseed.64() define i32 @_rdseed16_step(i16* %random_val) { %call = call {i16, i32} @llvm.x86.rdseed.16() %randval = extractvalue {i16, i32} %call, 0 store i16 %randval, i16* %random_val %isvalid = extractvalue {i16, i32} %call, 1 ret i32 %isvalid ; CHECK-LABEL: _rdseed16_step: ; CHECK: rdseedw %ax ; CHECK: movzwl %ax, %ecx ; CHECK: movl $1, %eax ; CHECK: cmovael %ecx, %eax ; CHECK: movw %cx, (%r[[A0:di|cx]]) ; CHECK: ret } define i32 @_rdseed32_step(i32* %random_val) { %call = call {i32, i32} @llvm.x86.rdseed.32() %randval = extractvalue {i32, i32} %call, 0 store i32 %randval, i32* %random_val %isvalid = extractvalue {i32, i32} %call, 1 ret i32 %isvalid ; CHECK-LABEL: _rdseed32_step: ; CHECK: rdseedl %e[[T0:[a-z]+]] ; CHECK: movl $1, %eax ; CHECK: cmovael %e[[T0]], %eax ; CHECK: movl %e[[T0]], (%r[[A0]]) ; CHECK: ret } define i32 @_rdseed64_step(i64* %random_val) { %call = call {i64, i32} @llvm.x86.rdseed.64() %randval = extractvalue {i64, i32} %call, 0 store i64 %randval, i64* %random_val %isvalid = extractvalue {i64, i32} %call, 1 ret i32 %isvalid ; CHECK-LABEL: _rdseed64_step: ; CHECK: rdseedq %r[[T1:[a-z]+]] ; CHECK: movl $1, %eax ; CHECK: cmovael %e[[T1]], %eax ; CHECK: movq %r[[T1]], (%r[[A0]]) ; CHECK: ret }