1; RUN: llc < %s -mcpu=generic -mtriple=i686-linux -verify-machineinstrs | FileCheck %s -check-prefix=X32-Linux
2; RUN: llc < %s -mtriple=x86_64-linux-gnu -verify-machineinstrs | FileCheck %s -check-prefix=X64-Linux
3
4; The HiPE compiler (i.e., the native code compiler of the Erlang/OTP system)
5; adds a custom assembly prologue in order to efficiently manipulate the stack
6; at runtime.
7
8; Just to prevent the alloca from being optimized away.
9declare void @dummy_use(i32*, i32)
10
11define {i32, i32} @test_basic(i32 %hp, i32 %p) {
12  ; X32-Linux-LABEL:       test_basic:
13  ; X32-Linux-NOT:   calll inc_stack_0
14
15  ; X64-Linux-LABEL:       test_basic:
16  ; X64-Linux-NOT:   callq inc_stack_0
17
18  %mem = alloca i32, i32 10
19  call void @dummy_use (i32* %mem, i32 10)
20  %1 = insertvalue {i32, i32} undef, i32 %hp, 0
21  %2 = insertvalue {i32, i32} %1, i32 %p, 1
22  ret {i32, i32} %1
23}
24
25define cc 11 {i32, i32} @test_basic_hipecc(i32 %hp, i32 %p) {
26  ; X32-Linux-LABEL:       test_basic_hipecc:
27  ; X32-Linux:       leal -156(%esp), %ebx
28  ; X32-Linux-NEXT:  cmpl 76(%ebp), %ebx
29  ; X32-Linux-NEXT:  jb .LBB1_1
30
31  ; X32-Linux:       ret
32
33  ; X32-Linux:       .LBB1_1:
34  ; X32-Linux-NEXT:  calll inc_stack_0
35
36  ; X64-Linux-LABEL:       test_basic_hipecc:
37  ; X64-Linux:       leaq -232(%rsp), %r14
38  ; X64-Linux-NEXT:  cmpq 144(%rbp), %r14
39  ; X64-Linux-NEXT:  jb .LBB1_1
40
41  ; X64-Linux:       ret
42
43  ; X64-Linux:       .LBB1_1:
44  ; X64-Linux-NEXT:  callq inc_stack_0
45
46  %mem = alloca i32, i32 10
47  call void @dummy_use (i32* %mem, i32 10)
48  %1 = insertvalue {i32, i32} undef, i32 %hp, 0
49  %2 = insertvalue {i32, i32} %1, i32 %p, 1
50  ret {i32, i32} %2
51}
52
53define cc 11 {i32,i32,i32} @test_nocall_hipecc(i32 %hp,i32 %p,i32 %x,i32 %y) {
54  ; X32-Linux-LABEL:       test_nocall_hipecc:
55  ; X32-Linux-NOT:   calll inc_stack_0
56
57  ; X64-Linux-LABEL:       test_nocall_hipecc:
58  ; X64-Linux-NOT:   callq inc_stack_0
59
60  %1 = add i32 %x, %y
61  %2 = mul i32 42, %1
62  %3 = sub i32 24, %2
63  %4 = insertvalue {i32, i32, i32} undef, i32 %hp, 0
64  %5 = insertvalue {i32, i32, i32} %4, i32 %p, 1
65  %6 = insertvalue {i32, i32, i32} %5, i32 %p, 2
66  ret {i32, i32, i32} %6
67}
68