xref: /llvm-project/llvm/test/CodeGen/X86/stack-protector-vreg-to-vreg-copy.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280) 
1; RUN: llc -mtriple i386-unknown-freebsd10.0 --relocation-model=pic %s -o -
2
3; PR16979
4
5target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
6target triple = "i386-unknown-freebsd10.0"
7
8@state = internal unnamed_addr global i32 0, align 4
9
10; Function Attrs: nounwind sspreq
11define void @set_state(i32 %s) #0 {
12entry:
13  store i32 %s, ptr @state, align 4
14  ret void
15}
16
17; Function Attrs: nounwind sspreq
18define void @zero_char(ptr nocapture %p) #0 {
19entry:
20  store i8 0, ptr %p, align 1
21  tail call void @g(i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) #2
22  ret void
23}
24
25declare void @g(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) #1
26
27; Function Attrs: nounwind sspreq
28define void @do_something(i32 %i) #0 {
29entry:
30  %data = alloca [8 x i8], align 1
31  %0 = load i32, ptr @state, align 4
32  %cmp = icmp eq i32 %0, 0
33  br i1 %cmp, label %if.then, label %if.else
34
35if.then:                                          ; preds = %entry
36  tail call fastcc void @send_int(i32 0)
37  br label %if.end
38
39if.else:                                          ; preds = %entry
40  tail call fastcc void @send_int(i32 %i)
41  call void @zero_char(ptr %data)
42  br label %if.end
43
44if.end:                                           ; preds = %if.else, %if.then
45  ret void
46}
47
48; Function Attrs: nounwind sspreq
49define internal fastcc void @send_int(i32 %p) #0 {
50entry:
51  tail call void @f(i32 %p) #2
52  tail call void @g(i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0) #2
53  ret void
54}
55
56declare void @f(i32) #1
57
58attributes #0 = { nounwind sspreq "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
59attributes #1 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
60attributes #2 = { nounwind }
61