xref: /llvm-project/llvm/test/CodeGen/X86/combine-adx.ll (revision f56298f4b9306d038fe415e1f721414bc75fdb57)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefixes=X86
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefixes=X64
4
5define i32 @test_addcarry_32_x_0_false(i32 %a0)  {
6; X86-LABEL: test_addcarry_32_x_0_false:
7; X86:       # %bb.0:
8; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
9; X86-NEXT:    retl
10;
11; X64-LABEL: test_addcarry_32_x_0_false:
12; X64:       # %bb.0:
13; X64-NEXT:    movl %edi, %eax
14; X64-NEXT:    retq
15  %1 = tail call { i8, i32 } @llvm.x86.addcarry.32(i8 0, i32 %a0, i32 0)
16  %2 = extractvalue { i8, i32 } %1, 1
17  ret i32 %2
18}
19
20define i32 @test_addcarry_32_0_x_false(i32 %a0)  {
21; X86-LABEL: test_addcarry_32_0_x_false:
22; X86:       # %bb.0:
23; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
24; X86-NEXT:    retl
25;
26; X64-LABEL: test_addcarry_32_0_x_false:
27; X64:       # %bb.0:
28; X64-NEXT:    movl %edi, %eax
29; X64-NEXT:    retq
30  %1 = tail call { i8, i32 } @llvm.x86.addcarry.32(i8 0, i32 0, i32 %a0)
31  %2 = extractvalue { i8, i32 } %1, 1
32  ret i32 %2
33}
34
35define i32 @test_subborrow_32_x_0_false(i32 %a0)  {
36; X86-LABEL: test_subborrow_32_x_0_false:
37; X86:       # %bb.0:
38; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
39; X86-NEXT:    retl
40;
41; X64-LABEL: test_subborrow_32_x_0_false:
42; X64:       # %bb.0:
43; X64-NEXT:    movl %edi, %eax
44; X64-NEXT:    retq
45  %1 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 %a0, i32 0)
46  %2 = extractvalue { i8, i32 } %1, 1
47  ret i32 %2
48}
49
50define i32 @test_subborrow_32_0_x_false(i32 %a0)  {
51; X86-LABEL: test_subborrow_32_0_x_false:
52; X86:       # %bb.0:
53; X86-NEXT:    xorl %eax, %eax
54; X86-NEXT:    subl {{[0-9]+}}(%esp), %eax
55; X86-NEXT:    retl
56;
57; X64-LABEL: test_subborrow_32_0_x_false:
58; X64:       # %bb.0:
59; X64-NEXT:    movl %edi, %eax
60; X64-NEXT:    negl %eax
61; X64-NEXT:    retq
62  %1 = tail call { i8, i32 } @llvm.x86.subborrow.32(i8 0, i32 0, i32 %a0)
63  %2 = extractvalue { i8, i32 } %1, 1
64  ret i32 %2
65}
66
67declare { i8, i32 } @llvm.x86.addcarry.32(i8, i32, i32)
68declare { i8, i32 } @llvm.x86.subborrow.32(i8, i32, i32)
69