xref: /llvm-project/llvm/test/CodeGen/X86/2011-10-19-LegelizeLoad.ll (revision a70d5e25f32ebd5f1d1c394312036a37591e998b)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mcpu=corei7 | FileCheck %s
3
4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7%union.anon = type { <2 x i8> }
8
9@i = dso_local global <2 x i8> <i8 150, i8 100>, align 8
10@j = dso_local global <2 x i8> <i8 10, i8 13>, align 8
11@res = common dso_local global %union.anon zeroinitializer, align 8
12
13; Make sure we load the constants i and j starting offset zero.
14; Also make sure that we sign-extend it.
15; Based on /gcc-4_2-testsuite/src/gcc.c-torture/execute/pr23135.c
16
17define dso_local i32 @main() nounwind uwtable {
18; CHECK-LABEL: main:
19; CHECK:       # %bb.0: # %entry
20; CHECK-NEXT:    movl i(%rip), %esi
21; CHECK-NEXT:    movl j(%rip), %eax
22; CHECK-NEXT:    movl %esi, %edx
23; CHECK-NEXT:    shrl $8, %edx
24; CHECK-NEXT:    movsbl %al, %ecx
25; CHECK-NEXT:    shrl $8, %eax
26; CHECK-NEXT:    cbtw
27; CHECK-NEXT:    idivb %dl
28; CHECK-NEXT:    movl %eax, %edx
29; CHECK-NEXT:    movl %ecx, %eax
30; CHECK-NEXT:    idivb %sil
31; CHECK-NEXT:    movzbl %dl, %ecx
32; CHECK-NEXT:    movzbl %al, %eax
33; CHECK-NEXT:    movd %eax, %xmm0
34; CHECK-NEXT:    pinsrb $1, %ecx, %xmm0
35; CHECK-NEXT:    pextrw $0, %xmm0, res(%rip)
36; CHECK-NEXT:    xorl %eax, %eax
37; CHECK-NEXT:    retq
38entry:
39  %0 = load <2 x i8>, ptr @i, align 8
40  %1 = load <2 x i8>, ptr @j, align 8
41  %div = sdiv <2 x i8> %1, %0
42  store <2 x i8> %div, ptr @res, align 8
43  ret i32 0
44}
45