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
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -fast-isel-sink-local-values < %s -fast-isel -mtriple=i686-unknown-unknown -O0 -mcpu=skx | FileCheck %s
define i32 @_Z3foov() {
; CHECK-LABEL: _Z3foov:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: subl $16, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 20
; CHECK-NEXT: movw $10959, {{[0-9]+}}(%esp) # imm = 0x2ACF
; CHECK-NEXT: movw $-15498, {{[0-9]+}}(%esp) # imm = 0xC376
; CHECK-NEXT: movw $19417, {{[0-9]+}}(%esp) # imm = 0x4BD9
; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: cmpw $0, {{[0-9]+}}(%esp)
; CHECK-NEXT: movb $1, %cl
; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
; CHECK-NEXT: movb %cl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: jne .LBB0_2
; CHECK-NEXT: # %bb.1: # %lor.rhs
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: jmp .LBB0_2
; CHECK-NEXT: .LBB0_2: # %lor.end
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %al # 1-byte Reload
; CHECK-NEXT: andb $1, %al
; CHECK-NEXT: movzbl %al, %ecx
; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
; CHECK-NEXT: cmpl %ecx, %edx
; CHECK-NEXT: setl %al
; CHECK-NEXT: andb $1, %al
; CHECK-NEXT: movzbl %al, %ecx
; CHECK-NEXT: xorl $-1, %ecx
; CHECK-NEXT: cmpl $0, %ecx
; CHECK-NEXT: movb $1, %al
; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: jne .LBB0_4
; CHECK-NEXT: # %bb.3: # %lor.rhs4
; CHECK-NEXT: xorl %eax, %eax
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
; CHECK-NEXT: jmp .LBB0_4
; CHECK-NEXT: .LBB0_4: # %lor.end5
; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %al # 1-byte Reload
; CHECK-NEXT: andb $1, %al
; CHECK-NEXT: movzbl %al, %ecx
; CHECK-NEXT: # kill: def $cx killed $cx killed $ecx
; CHECK-NEXT: movw %cx, {{[0-9]+}}(%esp)
; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: addl $16, %esp
; CHECK-NEXT: .cfi_def_cfa_offset 4
; CHECK-NEXT: retl
entry:
%aa = alloca i16, align 2
%bb = alloca i16, align 2
%cc = alloca i16, align 2
store i16 10959, i16* %aa, align 2
store i16 -15498, i16* %bb, align 2
store i16 19417, i16* %cc, align 2
%0 = load i16, i16* %aa, align 2
%conv = zext i16 %0 to i32
%1 = load i16, i16* %cc, align 2
%tobool = icmp ne i16 %1, 0
br i1 %tobool, label %lor.end, label %lor.rhs
lor.rhs: ; preds = %entry
br label %lor.end
lor.end: ; preds = %lor.rhs, %entry
%2 = phi i1 [ true, %entry ], [ false, %lor.rhs ]
%conv1 = zext i1 %2 to i32
%cmp = icmp slt i32 %conv, %conv1
%conv2 = zext i1 %cmp to i32
%neg = xor i32 %conv2, -1
%tobool3 = icmp ne i32 %neg, 0
br i1 %tobool3, label %lor.end5, label %lor.rhs4
lor.rhs4: ; preds = %lor.end
br label %lor.end5
lor.end5: ; preds = %lor.rhs4, %lor.end
%3 = phi i1 [ true, %lor.end ], [ false, %lor.rhs4 ]
%conv6 = zext i1 %3 to i16
store i16 %conv6, i16* %bb, align 2
%4 = load i16, i16* %bb, align 2
%conv7 = zext i16 %4 to i32
ret i32 %conv7
}
|