reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1,-avx,+rdrnd,+rdseed | FileCheck %s

define i32 @foo(<2 x i64> %c, i32 %a, i32 %b) {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movl %edi, %eax
; CHECK-NEXT:    ptest %xmm0, %xmm0
; CHECK-NEXT:    cmovnel %esi, %eax
; CHECK-NEXT:    retq
  %t1 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
  %t2 = icmp ne i32 %t1, 0
  %t3 = select i1 %t2, i32 %a, i32 %b
  ret i32 %t3
}

define i32 @bar(<2 x i64> %c) {
; CHECK-LABEL: bar:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    ptest %xmm0, %xmm0
; CHECK-NEXT:    jne .LBB1_2
; CHECK-NEXT:  # %bb.1: # %if-true-block
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    retq
; CHECK-NEXT:  .LBB1_2: # %endif-block
; CHECK-NEXT:    movl $1, %eax
; CHECK-NEXT:    retq
entry:
  %0 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
  %1 = icmp ne i32 %0, 0
  br i1 %1, label %if-true-block, label %endif-block
if-true-block:
  ret i32 0
endif-block:
  ret i32 1
}

define i32 @bax(<2 x i64> %c) {
; CHECK-LABEL: bax:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    ptest %xmm0, %xmm0
; CHECK-NEXT:    sete %al
; CHECK-NEXT:    retq
  %t1 = call i32 @llvm.x86.sse41.ptestz(<2 x i64> %c, <2 x i64> %c)
  %t2 = icmp eq i32 %t1, 1
  %t3 = zext i1 %t2 to i32
  ret i32 %t3
}

define i16 @rnd16(i16 %arg) nounwind {
; CHECK-LABEL: rnd16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdrandw %cx
; CHECK-NEXT:    cmovbl %edi, %eax
; CHECK-NEXT:    addl %ecx, %eax
; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
; CHECK-NEXT:    retq
  %1 = tail call { i16, i32 } @llvm.x86.rdrand.16() nounwind
  %2 = extractvalue { i16, i32 } %1, 0
  %3 = extractvalue { i16, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i16 0, i16 %arg
  %6 = add i16 %5, %2
  ret i16 %6
}

define i32 @rnd32(i32 %arg) nounwind {
; CHECK-LABEL: rnd32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdrandl %ecx
; CHECK-NEXT:    cmovbl %edi, %eax
; CHECK-NEXT:    addl %ecx, %eax
; CHECK-NEXT:    retq
  %1 = tail call { i32, i32 } @llvm.x86.rdrand.32() nounwind
  %2 = extractvalue { i32, i32 } %1, 0
  %3 = extractvalue { i32, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i32 0, i32 %arg
  %6 = add i32 %5, %2
  ret i32 %6
}

define i64 @rnd64(i64 %arg) nounwind {
; CHECK-LABEL: rnd64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdrandq %rcx
; CHECK-NEXT:    cmovbq %rdi, %rax
; CHECK-NEXT:    addq %rcx, %rax
; CHECK-NEXT:    retq
  %1 = tail call { i64, i32 } @llvm.x86.rdrand.64() nounwind
  %2 = extractvalue { i64, i32 } %1, 0
  %3 = extractvalue { i64, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i64 0, i64 %arg
  %6 = add i64 %5, %2
  ret i64 %6
}

define i16 @seed16(i16 %arg) nounwind {
; CHECK-LABEL: seed16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdseedw %cx
; CHECK-NEXT:    cmovbl %edi, %eax
; CHECK-NEXT:    addl %ecx, %eax
; CHECK-NEXT:    # kill: def $ax killed $ax killed $eax
; CHECK-NEXT:    retq
  %1 = tail call { i16, i32 } @llvm.x86.rdseed.16() nounwind
  %2 = extractvalue { i16, i32 } %1, 0
  %3 = extractvalue { i16, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i16 0, i16 %arg
  %6 = add i16 %5, %2
  ret i16 %6
}

define i32 @seed32(i32 %arg) nounwind {
; CHECK-LABEL: seed32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdseedl %ecx
; CHECK-NEXT:    cmovbl %edi, %eax
; CHECK-NEXT:    addl %ecx, %eax
; CHECK-NEXT:    retq
  %1 = tail call { i32, i32 } @llvm.x86.rdseed.32() nounwind
  %2 = extractvalue { i32, i32 } %1, 0
  %3 = extractvalue { i32, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i32 0, i32 %arg
  %6 = add i32 %5, %2
  ret i32 %6
}

define i64 @seed64(i64 %arg) nounwind {
; CHECK-LABEL: seed64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    rdseedq %rcx
; CHECK-NEXT:    cmovbq %rdi, %rax
; CHECK-NEXT:    addq %rcx, %rax
; CHECK-NEXT:    retq
  %1 = tail call { i64, i32 } @llvm.x86.rdseed.64() nounwind
  %2 = extractvalue { i64, i32 } %1, 0
  %3 = extractvalue { i64, i32 } %1, 1
  %4 = icmp eq i32 %3, 0
  %5 = select i1 %4, i64 0, i64 %arg
  %6 = add i64 %5, %2
  ret i64 %6
}

declare i32 @llvm.x86.sse41.ptestz(<2 x i64>, <2 x i64>) nounwind readnone
declare { i16, i32 } @llvm.x86.rdrand.16() nounwind
declare { i32, i32 } @llvm.x86.rdrand.32() nounwind
declare { i64, i32 } @llvm.x86.rdrand.64() nounwind
declare { i16, i32 } @llvm.x86.rdseed.16() nounwind
declare { i32, i32 } @llvm.x86.rdseed.32() nounwind
declare { i64, i32 } @llvm.x86.rdseed.64() nounwind