1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -fast-isel-sink-local-values < %s -fast-isel -mtriple=i686-unknown-unknown -O0 -mcpu=skx | FileCheck %s
4 define i32 @_Z3foov() {
5 ; CHECK-LABEL: _Z3foov:
6 ; CHECK: # %bb.0: # %entry
7 ; CHECK-NEXT: subl $16, %esp
8 ; CHECK-NEXT: .cfi_def_cfa_offset 20
9 ; CHECK-NEXT: movw $10959, {{[0-9]+}}(%esp) # imm = 0x2ACF
10 ; CHECK-NEXT: movw $-15498, {{[0-9]+}}(%esp) # imm = 0xC376
11 ; CHECK-NEXT: movw $19417, {{[0-9]+}}(%esp) # imm = 0x4BD9
12 ; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax
13 ; CHECK-NEXT: cmpw $0, {{[0-9]+}}(%esp)
14 ; CHECK-NEXT: movb $1, %cl
15 ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) # 4-byte Spill
16 ; CHECK-NEXT: movb %cl, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
17 ; CHECK-NEXT: jne .LBB0_2
18 ; CHECK-NEXT: # %bb.1: # %lor.rhs
19 ; CHECK-NEXT: xorl %eax, %eax
20 ; CHECK-NEXT: # kill: def $al killed $al killed $eax
21 ; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
22 ; CHECK-NEXT: jmp .LBB0_2
23 ; CHECK-NEXT: .LBB0_2: # %lor.end
24 ; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %al # 1-byte Reload
25 ; CHECK-NEXT: andb $1, %al
26 ; CHECK-NEXT: movzbl %al, %ecx
27 ; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %edx # 4-byte Reload
28 ; CHECK-NEXT: cmpl %ecx, %edx
29 ; CHECK-NEXT: setl %al
30 ; CHECK-NEXT: andb $1, %al
31 ; CHECK-NEXT: movzbl %al, %ecx
32 ; CHECK-NEXT: xorl $-1, %ecx
33 ; CHECK-NEXT: cmpl $0, %ecx
34 ; CHECK-NEXT: movb $1, %al
35 ; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
36 ; CHECK-NEXT: jne .LBB0_4
37 ; CHECK-NEXT: # %bb.3: # %lor.rhs4
38 ; CHECK-NEXT: xorl %eax, %eax
39 ; CHECK-NEXT: # kill: def $al killed $al killed $eax
40 ; CHECK-NEXT: movb %al, {{[-0-9]+}}(%e{{[sb]}}p) # 1-byte Spill
41 ; CHECK-NEXT: jmp .LBB0_4
42 ; CHECK-NEXT: .LBB0_4: # %lor.end5
43 ; CHECK-NEXT: movb {{[-0-9]+}}(%e{{[sb]}}p), %al # 1-byte Reload
44 ; CHECK-NEXT: andb $1, %al
45 ; CHECK-NEXT: movzbl %al, %ecx
46 ; CHECK-NEXT: # kill: def $cx killed $cx killed $ecx
47 ; CHECK-NEXT: movw %cx, {{[0-9]+}}(%esp)
48 ; CHECK-NEXT: movzwl {{[0-9]+}}(%esp), %eax
49 ; CHECK-NEXT: addl $16, %esp
50 ; CHECK-NEXT: .cfi_def_cfa_offset 4
53 %aa = alloca i16, align 2
54 %bb = alloca i16, align 2
55 %cc = alloca i16, align 2
56 store i16 10959, i16* %aa, align 2
57 store i16 -15498, i16* %bb, align 2
58 store i16 19417, i16* %cc, align 2
59 %0 = load i16, i16* %aa, align 2
60 %conv = zext i16 %0 to i32
61 %1 = load i16, i16* %cc, align 2
62 %tobool = icmp ne i16 %1, 0
63 br i1 %tobool, label %lor.end, label %lor.rhs
65 lor.rhs: ; preds = %entry
68 lor.end: ; preds = %lor.rhs, %entry
69 %2 = phi i1 [ true, %entry ], [ false, %lor.rhs ]
70 %conv1 = zext i1 %2 to i32
71 %cmp = icmp slt i32 %conv, %conv1
72 %conv2 = zext i1 %cmp to i32
73 %neg = xor i32 %conv2, -1
74 %tobool3 = icmp ne i32 %neg, 0
75 br i1 %tobool3, label %lor.end5, label %lor.rhs4
77 lor.rhs4: ; preds = %lor.end
80 lor.end5: ; preds = %lor.rhs4, %lor.end
81 %3 = phi i1 [ true, %lor.end ], [ false, %lor.rhs4 ]
82 %conv6 = zext i1 %3 to i16
83 store i16 %conv6, i16* %bb, align 2
84 %4 = load i16, i16* %bb, align 2
85 %conv7 = zext i16 %4 to i32