forked from OSchip/llvm-project
167 lines
4.6 KiB
LLVM
167 lines
4.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
|
|
|
|
define i32 @sub_zext_cmp_mask_same_size_result(i32 %x) {
|
|
; CHECK-LABEL: sub_zext_cmp_mask_same_size_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: leal -28(%rdi), %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%z = zext i1 %c to i32
|
|
%r = sub i32 -27, %z
|
|
ret i32 %r
|
|
}
|
|
|
|
define i32 @sub_zext_cmp_mask_wider_result(i8 %x) {
|
|
; CHECK-LABEL: sub_zext_cmp_mask_wider_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: leal 26(%rdi), %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i8 %x, 1
|
|
%c = icmp eq i8 %a, 0
|
|
%z = zext i1 %c to i32
|
|
%r = sub i32 27, %z
|
|
ret i32 %r
|
|
}
|
|
|
|
define i8 @sub_zext_cmp_mask_narrower_result(i32 %x) {
|
|
; CHECK-LABEL: sub_zext_cmp_mask_narrower_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: orb $46, %dil
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%z = zext i1 %c to i8
|
|
%r = sub i8 47, %z
|
|
ret i8 %r
|
|
}
|
|
|
|
define i8 @add_zext_cmp_mask_same_size_result(i8 %x) {
|
|
; CHECK-LABEL: add_zext_cmp_mask_same_size_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andb $1, %dil
|
|
; CHECK-NEXT: xorb $27, %dil
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i8 %x, 1
|
|
%c = icmp eq i8 %a, 0
|
|
%z = zext i1 %c to i8
|
|
%r = add i8 %z, 26
|
|
ret i8 %r
|
|
}
|
|
|
|
define i32 @add_zext_cmp_mask_wider_result(i8 %x) {
|
|
; CHECK-LABEL: add_zext_cmp_mask_wider_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: xorl $27, %edi
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i8 %x, 1
|
|
%c = icmp eq i8 %a, 0
|
|
%z = zext i1 %c to i32
|
|
%r = add i32 %z, 26
|
|
ret i32 %r
|
|
}
|
|
|
|
define i8 @add_zext_cmp_mask_narrower_result(i32 %x) {
|
|
; CHECK-LABEL: add_zext_cmp_mask_narrower_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: xorb $43, %dil
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%z = zext i1 %c to i8
|
|
%r = add i8 %z, 42
|
|
ret i8 %r
|
|
}
|
|
|
|
define i32 @low_bit_select_constants_bigger_false_same_size_result(i32 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_false_same_size_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: leal 42(%rdi), %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%r = select i1 %c, i32 42, i32 43
|
|
ret i32 %r
|
|
}
|
|
|
|
define i64 @low_bit_select_constants_bigger_false_wider_result(i32 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_false_wider_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: leaq 26(%rdi), %rax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%r = select i1 %c, i64 26, i64 27
|
|
ret i64 %r
|
|
}
|
|
|
|
define i16 @low_bit_select_constants_bigger_false_narrower_result(i32 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_false_narrower_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: leal 36(%rdi), %eax
|
|
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i32 %x, 1
|
|
%c = icmp eq i32 %a, 0
|
|
%r = select i1 %c, i16 36, i16 37
|
|
ret i16 %r
|
|
}
|
|
|
|
define i8 @low_bit_select_constants_bigger_true_same_size_result(i8 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_true_same_size_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andb $1, %dil
|
|
; CHECK-NEXT: xorb $-29, %dil
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i8 %x, 1
|
|
%c = icmp eq i8 %a, 0
|
|
%r = select i1 %c, i8 227, i8 226
|
|
ret i8 %r
|
|
}
|
|
|
|
define i32 @low_bit_select_constants_bigger_true_wider_result(i8 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_true_wider_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: xorl $227, %edi
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i8 %x, 1
|
|
%c = icmp eq i8 %a, 0
|
|
%r = select i1 %c, i32 227, i32 226
|
|
ret i32 %r
|
|
}
|
|
|
|
define i8 @low_bit_select_constants_bigger_true_narrower_result(i16 %x) {
|
|
; CHECK-LABEL: low_bit_select_constants_bigger_true_narrower_result:
|
|
; CHECK: # %bb.0:
|
|
; CHECK-NEXT: andl $1, %edi
|
|
; CHECK-NEXT: xorb $41, %dil
|
|
; CHECK-NEXT: movl %edi, %eax
|
|
; CHECK-NEXT: retq
|
|
%a = and i16 %x, 1
|
|
%c = icmp eq i16 %a, 0
|
|
%r = select i1 %c, i8 41, i8 40
|
|
ret i8 %r
|
|
}
|
|
|