--- /dev/null
+; 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
+}
-; 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
}