1; RUN: llc < %s -mtriple=thumbv7-apple-ios -relocation-model=pic -mcpu=cortex-a8 | FileCheck %s
2
3; Do not move the umull above previous call which would require use of
4; more callee-saved registers and introduce copies.
5; rdar://9329627
6
7%struct.FF = type { i32 (i32*)*, i32 (i32*, i32*, i32, i32, i32, i32)*, i32 (i32, i32, i8*)*, void ()*, i32 (i32, i8*, i32*)*, i32 ()* }
8%struct.BD = type { %struct.BD*, i32, i32, i32, i32, i64, i32 (%struct.BD*, i8*, i64, i32)*, i32 (%struct.BD*, i8*, i32, i32)*, i32 (%struct.BD*, i8*, i64, i32)*, i32 (%struct.BD*, i8*, i32, i32)*, i32 (%struct.BD*, i64, i32)*, [16 x i8], i64, i64 }
9
10@FuncPtr = external hidden unnamed_addr global %struct.FF*
11@.str1 = external hidden unnamed_addr constant [6 x i8], align 4
12@G = external unnamed_addr global i32
13@.str2 = external hidden unnamed_addr constant [58 x i8], align 4
14@.str3 = external hidden unnamed_addr constant [58 x i8], align 4
15
16define i32 @test() nounwind optsize ssp {
17entry:
18; CHECK-LABEL: test:
19; CHECK: push
20; CHECK-NOT: push
21  %block_size = alloca i32, align 4
22  %block_count = alloca i32, align 4
23  %index_cache = alloca i32, align 4
24  store i32 0, i32* %index_cache, align 4
25  %tmp = load i32* @G, align 4
26  %tmp1 = call i32 @bar(i32 0, i32 0, i32 %tmp) nounwind
27  switch i32 %tmp1, label %bb8 [
28    i32 0, label %bb
29    i32 536870913, label %bb4
30    i32 536870914, label %bb6
31  ]
32
33bb:
34  %tmp2 = load i32* @G, align 4
35  %tmp4 = icmp eq i32 %tmp2, 0
36  br i1 %tmp4, label %bb1, label %bb8
37
38bb1:
39; CHECK: %bb1
40; CHECK-NOT: umull
41; CHECK: blx _Get
42; CHECK: umull
43; CHECK: blx _foo
44  %tmp5 = load i32* %block_size, align 4
45  %tmp6 = load i32* %block_count, align 4
46  %tmp7 = call %struct.FF* @Get() nounwind
47  store %struct.FF* %tmp7, %struct.FF** @FuncPtr, align 4
48  %tmp10 = zext i32 %tmp6 to i64
49  %tmp11 = zext i32 %tmp5 to i64
50  %tmp12 = mul nsw i64 %tmp10, %tmp11
51  %tmp13 = call i32 @foo(i8* getelementptr inbounds ([6 x i8]* @.str1, i32 0, i32 0), i64 %tmp12, i32 %tmp5) nounwind
52  br label %bb8
53
54bb4:
55  ret i32 0
56
57bb6:
58  ret i32 1
59
60bb8:
61  ret i32 -1
62}
63
64declare i32 @printf(i8*, ...)
65
66declare %struct.FF* @Get()
67
68declare i32 @foo(i8*, i64, i32)
69
70declare i32 @bar(i32, i32, i32)
71