test/CodeGen/X86/signbit-shift.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s

; If positive...

define i32 @zext_ifpos(i32 %x) {
; CHECK-LABEL: zext_ifpos:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %al
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %e = zext i1 %c to i32
  ret i32 %e
}

define i32 @add_zext_ifpos(i32 %x) {
; CHECK-LABEL: add_zext_ifpos:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %al
; CHECK-NEXT:    addl $41, %eax
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %e = zext i1 %c to i32
  %r = add i32 %e, 41
  ret i32 %r
}

define i32 @sel_ifpos_tval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifpos_tval_bigger:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %al
; CHECK-NEXT:    addl $41, %eax
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %r = select i1 %c, i32 42, i32 41
  ret i32 %r
}

define i32 @sext_ifpos(i32 %x) {
; CHECK-LABEL: sext_ifpos:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %eax, %eax
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %al
; CHECK-NEXT:    negl %eax
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %e = sext i1 %c to i32
  ret i32 %e
}

define i32 @add_sext_ifpos(i32 %x) {
; CHECK-LABEL: add_sext_ifpos:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %cl
; CHECK-NEXT:    movl $42, %eax
; CHECK-NEXT:    subl %ecx, %eax
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %e = sext i1 %c to i32
  %r = add i32 %e, 42
  ret i32 %r
}

define i32 @sel_ifpos_fval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifpos_fval_bigger:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xorl %ecx, %ecx
; CHECK-NEXT:    testl %edi, %edi
; CHECK-NEXT:    setns %cl
; CHECK-NEXT:    movl $42, %eax
; CHECK-NEXT:    subl %ecx, %eax
; CHECK-NEXT:    retq
  %c = icmp sgt i32 %x, -1
  %r = select i1 %c, i32 41, i32 42
  ret i32 %r
}

; If negative...

define i32 @zext_ifneg(i32 %x) {
; CHECK-LABEL: zext_ifneg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    shrl $31, %edi
; CHECK-NEXT:    movl %edi, %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %r = zext i1 %c to i32
  ret i32 %r
}

define i32 @add_zext_ifneg(i32 %x) {
; CHECK-LABEL: add_zext_ifneg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
; CHECK-NEXT:    shrl $31, %edi
; CHECK-NEXT:    leal 41(%rdi), %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %e = zext i1 %c to i32
  %r = add i32 %e, 41
  ret i32 %r
}

define i32 @sel_ifneg_tval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifneg_tval_bigger:
; CHECK:       # %bb.0:
; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
; CHECK-NEXT:    shrl $31, %edi
; CHECK-NEXT:    leal 41(%rdi), %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %r = select i1 %c, i32 42, i32 41
  ret i32 %r
}

define i32 @sext_ifneg(i32 %x) {
; CHECK-LABEL: sext_ifneg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    sarl $31, %edi
; CHECK-NEXT:    movl %edi, %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %r = sext i1 %c to i32
  ret i32 %r
}

define i32 @add_sext_ifneg(i32 %x) {
; CHECK-LABEL: add_sext_ifneg:
; CHECK:       # %bb.0:
; CHECK-NEXT:    shrl $31, %edi
; CHECK-NEXT:    movl $42, %eax
; CHECK-NEXT:    subl %edi, %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %e = sext i1 %c to i32
  %r = add i32 %e, 42
  ret i32 %r
}

define i32 @sel_ifneg_fval_bigger(i32 %x) {
; CHECK-LABEL: sel_ifneg_fval_bigger:
; CHECK:       # %bb.0:
; CHECK-NEXT:    shrl $31, %edi
; CHECK-NEXT:    movl $42, %eax
; CHECK-NEXT:    subl %edi, %eax
; CHECK-NEXT:    retq
  %c = icmp slt i32 %x, 0
  %r = select i1 %c, i32 41, i32 42
  ret i32 %r
}