xref: /llvm-project/llvm/test/CodeGen/X86/pr38743.ll (revision f0dd12ec5c0169ba5b4363b62d59511181cf954a)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
3
4%0 = type { %1 }
5%1 = type { %2 }
6%2 = type { %3 }
7%3 = type { %4 }
8%4 = type { %5 }
9%5 = type { i64, i64, ptr }
10%6 = type { %7, [23 x i8] }
11%7 = type { i8 }
12
13@.str.16 = external dso_local unnamed_addr constant [16 x i8], align 1
14@.str.17 = external dso_local unnamed_addr constant [12 x i8], align 1
15@.str.18 = external dso_local unnamed_addr constant [15 x i8], align 1
16
17declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1) #0
18
19define void @pr38743(i32 %a0) #1 align 2 {
20; CHECK-LABEL: pr38743:
21; CHECK:       # %bb.0: # %bb
22; CHECK-NEXT:    # kill: def $edi killed $edi def $rdi
23; CHECK-NEXT:    decl %edi
24; CHECK-NEXT:    jmpq *.LJTI0_0(,%rdi,8)
25; CHECK-NEXT:  .LBB0_2: # %bb5
26; CHECK-NEXT:    movzwl .str.17+8(%rip), %eax
27; CHECK-NEXT:    movw %ax, -{{[0-9]+}}(%rsp)
28; CHECK-NEXT:    movq .str.17(%rip), %rax
29; CHECK-NEXT:    jmp .LBB0_4
30; CHECK-NEXT:  .LBB0_1: # %bb2
31; CHECK-NEXT:    movq .str.16+7(%rip), %rax
32; CHECK-NEXT:    movq %rax, -{{[0-9]+}}(%rsp)
33; CHECK-NEXT:    movq .str.16(%rip), %rax
34; CHECK-NEXT:    jmp .LBB0_4
35; CHECK-NEXT:  .LBB0_3: # %bb8
36; CHECK-NEXT:    movq .str.18+6(%rip), %rax
37; CHECK-NEXT:    movq %rax, -{{[0-9]+}}(%rsp)
38; CHECK-NEXT:    movq .str.18(%rip), %rax
39; CHECK-NEXT:  .LBB0_4: # %bb12
40; CHECK-NEXT:    movq %rax, -{{[0-9]+}}(%rsp)
41; CHECK-NEXT:    movq -{{[0-9]+}}(%rsp), %rax
42; CHECK-NEXT:    movq %rax, (%rax)
43; CHECK-NEXT:    movzbl -{{[0-9]+}}(%rsp), %eax
44; CHECK-NEXT:    movq -{{[0-9]+}}(%rsp), %rcx
45; CHECK-NEXT:    movzwl -{{[0-9]+}}(%rsp), %edx
46; CHECK-NEXT:    movl -{{[0-9]+}}(%rsp), %esi
47; CHECK-NEXT:    movzbl -{{[0-9]+}}(%rsp), %edi
48; CHECK-NEXT:    movb %al, (%rax)
49; CHECK-NEXT:    movq %rcx, 1(%rax)
50; CHECK-NEXT:    movw %dx, 9(%rax)
51; CHECK-NEXT:    movl %esi, 11(%rax)
52; CHECK-NEXT:    movb %dil, 15(%rax)
53; CHECK-NEXT:    retq
54bb:
55  %tmp = alloca %0, align 16
56  switch i32 %a0, label %bb11 [
57    i32 1, label %bb2
58    i32 4, label %bb5
59    i32 2, label %bb5
60    i32 3, label %bb8
61  ]
62
63bb2:                                              ; preds = %bb
64  %tmp4 = getelementptr inbounds %6, ptr %tmp, i64 0, i32 1, i64 0
65  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %tmp4, ptr align 1 @.str.16, i64 15, i1 false)
66  br label %bb12
67
68bb5:                                              ; preds = %bb, %bb
69  %tmp7 = getelementptr inbounds %6, ptr %tmp, i64 0, i32 1, i64 0
70  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %tmp7, ptr align 1 @.str.17, i64 10, i1 false)
71  br label %bb12
72
73bb8:                                              ; preds = %bb
74  %tmp10 = getelementptr inbounds %6, ptr %tmp, i64 0, i32 1, i64 0
75  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %tmp10, ptr align 1 @.str.18, i64 14, i1 false)
76  br label %bb12
77
78bb11:                                             ; preds = %bb
79  unreachable
80
81bb12:                                             ; preds = %bb8, %bb5, %bb2
82  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 undef, ptr nonnull align 16 %tmp, i64 24, i1 false) #2
83  ret void
84}
85
86attributes #0 = { argmemonly nounwind }
87attributes #1 = { "target-features"="+sse,+sse2,+sse3,+sse4.2" }
88attributes #2 = { nounwind }
89