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
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=skx | FileCheck %s --check-prefixes=CHECK,FAST-INCDEC
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=goldmont | FileCheck %s --check-prefixes=CHECK,SLOW-INCDEC
define i64 @imm1_Oz(i32 %x, i32 %y) minsize nounwind {
; CHECK-LABEL: imm1_Oz:
; CHECK: # %bb.0:
; CHECK: incl %edi
; CHECK-NEXT: leal 1(%rsi), %eax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%x1 = add i32 %x, 1
%y1 = add i32 %y, 1
%x1z = zext i32 %x1 to i64
%y1z = zext i32 %y1 to i64
%r = add i64 %x1z, %y1z
ret i64 %r
}
define i64 @imm1_Os(i32 %x, i32 %y) optsize nounwind {
; CHECK-LABEL: imm1_Os:
; CHECK: # %bb.0:
; CHECK: incl %edi
; CHECK-NEXT: leal 1(%rsi), %eax
; CHECK-NEXT: addq %rdi, %rax
; CHECK-NEXT: retq
%x1 = add i32 %x, 1
%y1 = add i32 %y, 1
%x1z = zext i32 %x1 to i64
%y1z = zext i32 %y1 to i64
%r = add i64 %x1z, %y1z
ret i64 %r
}
define i64 @imm1_O2(i32 %x, i32 %y) nounwind {
; FAST-INCDEC-LABEL: imm1_O2:
; FAST-INCDEC: # %bb.0:
; FAST-INCDEC-NEXT: # kill: def $esi killed $esi def $rsi
; FAST-INCDEC-NEXT: # kill: def $edi killed $edi def $rdi
; FAST-INCDEC-NEXT: incl %edi
; FAST-INCDEC-NEXT: leal 1(%rsi), %eax
; FAST-INCDEC-NEXT: addq %rdi, %rax
; FAST-INCDEC-NEXT: retq
;
; SLOW-INCDEC-LABEL: imm1_O2:
; SLOW-INCDEC: # %bb.0:
; SLOW-INCDEC-NEXT: # kill: def $edi killed $edi def $rdi
; SLOW-INCDEC-NEXT: # kill: def $esi killed $esi def $rsi
; SLOW-INCDEC-NEXT: addl $1, %edi
; SLOW-INCDEC-NEXT: leal 1(%rsi), %eax
; SLOW-INCDEC-NEXT: addq %rdi, %rax
; SLOW-INCDEC-NEXT: retq
%x1 = add i32 %x, 1
%y1 = add i32 %y, 1
%x1z = zext i32 %x1 to i64
%y1z = zext i32 %y1 to i64
%r = add i64 %x1z, %y1z
ret i64 %r
}
|
