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[X86][RDSEED] Split off i64 intrinsic tests and test i16/i32 on 32-bit target as well. 

llvm-svn: 306961
This commit is contained in:
Simon Pilgrim 2017-07-01 16:42:16 +00:00
parent 2d320161e5
commit 3bad6f3167
2 changed files with 56 additions and 29 deletions
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19
llvm/test/CodeGen/X86/rdseed-x86_64.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s
declare {i64, i32} @llvm.x86.rdseed.64()
define i32 @_rdseed64_step(i64* %random_val) {
; CHECK-LABEL: _rdseed64_step:
; CHECK: # BB#0:
; CHECK-NEXT: rdseedq %rcx
; CHECK-NEXT: movl $1, %eax
; CHECK-NEXT: cmovael %ecx, %eax
; CHECK-NEXT: movq %rcx, (%rdi)
; CHECK-NEXT: retq
%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
}

66
llvm/test/CodeGen/X86/rdseed.ll
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@ -1,48 +1,56 @@
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=core-avx-i -mattr=+rdseed | FileCheck %s
; 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()
declare {i64, i32} @llvm.x86.rdseed.64()
define i32 @_rdseed16_step(i16* %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, 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) {
; 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, 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
}