mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-02-06 06:33:24 +00:00
51bf934e4d
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160120 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.3 KiB
LLVM
48 lines
1.3 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mattr=+rdrand | FileCheck %s
|
|
declare {i16, i32} @llvm.x86.rdrand.16()
|
|
declare {i32, i32} @llvm.x86.rdrand.32()
|
|
declare {i64, i32} @llvm.x86.rdrand.64()
|
|
|
|
define i32 @_rdrand16_step(i16* %random_val) {
|
|
%call = call {i16, i32} @llvm.x86.rdrand.16()
|
|
%randval = extractvalue {i16, i32} %call, 0
|
|
store i16 %randval, i16* %random_val
|
|
%isvalid = extractvalue {i16, i32} %call, 1
|
|
ret i32 %isvalid
|
|
; CHECK: _rdrand16_step:
|
|
; CHECK: rdrandw %ax
|
|
; CHECK: movw %ax, (%rdi)
|
|
; CHECK: movzwl %ax, %ecx
|
|
; CHECK: movl $1, %eax
|
|
; CHECK: cmovael %ecx, %eax
|
|
; CHECK: ret
|
|
}
|
|
|
|
define i32 @_rdrand32_step(i32* %random_val) {
|
|
%call = call {i32, i32} @llvm.x86.rdrand.32()
|
|
%randval = extractvalue {i32, i32} %call, 0
|
|
store i32 %randval, i32* %random_val
|
|
%isvalid = extractvalue {i32, i32} %call, 1
|
|
ret i32 %isvalid
|
|
; CHECK: _rdrand32_step:
|
|
; CHECK: rdrandl %ecx
|
|
; CHECK: movl %ecx, (%rdi)
|
|
; CHECK: movl $1, %eax
|
|
; CHECK: cmovael %ecx, %eax
|
|
; CHECK: ret
|
|
}
|
|
|
|
define i32 @_rdrand64_step(i64* %random_val) {
|
|
%call = call {i64, i32} @llvm.x86.rdrand.64()
|
|
%randval = extractvalue {i64, i32} %call, 0
|
|
store i64 %randval, i64* %random_val
|
|
%isvalid = extractvalue {i64, i32} %call, 1
|
|
ret i32 %isvalid
|
|
; CHECK: _rdrand64_step:
|
|
; CHECK: rdrandq %rcx
|
|
; CHECK: movq %rcx, (%rdi)
|
|
; CHECK: movl $1, %eax
|
|
; CHECK: cmovael %ecx, %eax
|
|
; CHECK: ret
|
|
}
|