1; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -march=x86 -mattr=sse2 -no-integrated-as
2; RUN: llc < %s -fast-isel -fast-isel-abort -verify-machineinstrs -mtriple=x86_64-apple-darwin10 -no-integrated-as
3
4; This tests very minimal fast-isel functionality.
5
6define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind {
7entry:
8  %r = load i32* %p
9  %s = load i32* %q
10  %y = load i32** %z
11  br label %fast
12
13fast:
14  %t0 = add i32 %r, %s
15  %t1 = mul i32 %t0, %s
16  %t2 = sub i32 %t1, %s
17  %t3 = and i32 %t2, %s
18  %t4 = xor i32 %t3, 3
19  %t5 = xor i32 %t4, %s
20  %t6 = add i32 %t5, 2
21  %t7 = getelementptr i32* %y, i32 1
22  %t8 = getelementptr i32* %t7, i32 %t6
23  call void asm sideeffect "hello world", ""()
24  br label %exit
25
26exit:
27  ret i32* %t8
28}
29
30define void @bar(double* %p, double* %q) nounwind {
31entry:
32  %r = load double* %p
33  %s = load double* %q
34  br label %fast
35
36fast:
37  %t0 = fadd double %r, %s
38  %t1 = fmul double %t0, %s
39  %t2 = fsub double %t1, %s
40  %t3 = fadd double %t2, 707.0
41  br label %exit
42
43exit:
44  store double %t3, double* %q
45  ret void
46}
47
48define i32 @cast() nounwind {
49entry:
50	%tmp2 = bitcast i32 0 to i32
51	ret i32 %tmp2
52}
53
54define void @ptrtoint_i1(i8* %p, i1* %q) nounwind {
55  %t = ptrtoint i8* %p to i1
56  store i1 %t, i1* %q
57  ret void
58}
59define i8* @inttoptr_i1(i1 %p) nounwind {
60  %t = inttoptr i1 %p to i8*
61  ret i8* %t
62}
63define i32 @ptrtoint_i32(i8* %p) nounwind {
64  %t = ptrtoint i8* %p to i32
65  ret i32 %t
66}
67define i8* @inttoptr_i32(i32 %p) nounwind {
68  %t = inttoptr i32 %p to i8*
69  ret i8* %t
70}
71
72define void @trunc_i32_i8(i32 %x, i8* %p) nounwind  {
73	%tmp1 = trunc i32 %x to i8
74	store i8 %tmp1, i8* %p
75	ret void
76}
77
78define void @trunc_i16_i8(i16 signext %x, i8* %p) nounwind  {
79	%tmp1 = trunc i16 %x to i8
80	store i8 %tmp1, i8* %p
81	ret void
82}
83
84define void @shl_i8(i8 %a, i8 %c, i8* %p) nounwind {
85  %tmp = shl i8 %a, %c
86  store i8 %tmp, i8* %p
87  ret void
88}
89
90define void @mul_i8(i8 %a, i8* %p) nounwind {
91  %tmp = mul i8 %a, 17
92  store i8 %tmp, i8* %p
93  ret void
94}
95
96define void @load_store_i1(i1* %p, i1* %q) nounwind {
97  %t = load i1* %p
98  store i1 %t, i1* %q
99  ret void
100}
101
102@crash_test1x = external global <2 x i32>, align 8
103
104define void @crash_test1() nounwind ssp {
105  %tmp = load <2 x i32>* @crash_test1x, align 8
106  %neg = xor <2 x i32> %tmp, <i32 -1, i32 -1>
107  ret void
108}
109
110declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
111
112define i64* @life() nounwind {
113  %a1 = alloca i64*, align 8
114  %a2 = bitcast i64** %a1 to i8*
115  call void @llvm.lifetime.start(i64 -1, i8* %a2) nounwind
116  %a3 = load i64** %a1, align 8
117  ret i64* %a3
118}
119
120declare void @llvm.donothing() readnone
121
122; CHECK: donada
123define void @donada() nounwind {
124entry:
125  call void @llvm.donothing()
126  ret void
127}
128