| ; 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 | |
| } | |