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llvm-project/llvm/test/CodeGen/X86/rdrand-x86_64.ll

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[X86][RDRAND] Split off i64 intrinsic tests and test i16/i32 on 32-bit target as well. llvm-svn: 306960
2017-07-02 00:41:12 +08:00
; 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=+rdrnd | FileCheck %s
declare {i64, i32} @llvm.x86.rdrand.64()
define i32 @_rdrand64_step(i64* %random_val) {
; CHECK-LABEL: _rdrand64_step:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-05 01:18:51 +08:00
; CHECK: # %bb.0:
[X86][RDRAND] Split off i64 intrinsic tests and test i16/i32 on 32-bit target as well. llvm-svn: 306960
2017-07-02 00:41:12 +08:00
; CHECK-NEXT: rdrandq %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.rdrand.64()
%randval = extractvalue {i64, i32} %call, 0
store i64 %randval, i64* %random_val
%isvalid = extractvalue {i64, i32} %call, 1
ret i32 %isvalid
}