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1; RUN: llc < %s -O0 -regalloc=fast -relocation-model=pic -disable-fp-elim | FileCheck %s
2target 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-f80:128:128-n8:16:32"
3target triple = "i386-apple-darwin10.0.0"
4
5%struct.S = type { [2 x i8*] }
6
7@_ZTIi = external constant i8*                    ; <i8**> [#uses=1]
8@.str = internal constant [4 x i8] c"%p\0A\00"    ; <[4 x i8]*> [#uses=1]
9@llvm.used = appending global [1 x i8*] [i8* bitcast (i8* (%struct.S*, i32, %struct.S*)* @_Z4test1SiS_ to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
10
11; Verify that %esi gets spilled before the call.
12; CHECK: Z4test1SiS
13; CHECK: movl %esi,{{.*}}(%ebp)
14; CHECK: calll __Z6throwsv
15
16define i8* @_Z4test1SiS_(%struct.S* byval %s1, i32 %n, %struct.S* byval %s2) ssp {
17entry:
18  %retval = alloca i8*, align 4                   ; <i8**> [#uses=2]
19  %n.addr = alloca i32, align 4                   ; <i32*> [#uses=1]
20  %_rethrow = alloca i8*                          ; <i8**> [#uses=4]
21  %0 = alloca i32, align 4                        ; <i32*> [#uses=1]
22  %cleanup.dst = alloca i32                       ; <i32*> [#uses=3]
23  %cleanup.dst7 = alloca i32                      ; <i32*> [#uses=6]
24  store i32 %n, i32* %n.addr
25  invoke void @_Z6throwsv()
26          to label %invoke.cont unwind label %try.handler
27
28invoke.cont:                                      ; preds = %entry
29  store i32 1, i32* %cleanup.dst7
30  br label %finally
31
32terminate.handler:                                ; preds = %match.end
33  %exc = call i8* @llvm.eh.exception()            ; <i8*> [#uses=1]
34  %1 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exc, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 1) ; <i32> [#uses=0]
35  call void @_ZSt9terminatev() noreturn nounwind
36  unreachable
37
38try.handler:                                      ; preds = %entry
39  %exc1 = call i8* @llvm.eh.exception()           ; <i8*> [#uses=3]
40  %selector = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exc1, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i8* bitcast (i8** @_ZTIi to i8*), i8* null) ; <i32> [#uses=1]
41  %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) ; <i32> [#uses=1]
42  %3 = icmp eq i32 %selector, %2                  ; <i1> [#uses=1]
43  br i1 %3, label %match, label %catch.next
44
45match:                                            ; preds = %try.handler
46  %4 = call i8* @__cxa_begin_catch(i8* %exc1)     ; <i8*> [#uses=1]
47  %5 = bitcast i8* %4 to i32*                     ; <i32*> [#uses=1]
48  %6 = load i32* %5                               ; <i32> [#uses=1]
49  store i32 %6, i32* %0
50  %call = invoke i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([4 x i8]* @.str, i32 0, i32 0), %struct.S* %s2)
51          to label %invoke.cont2 unwind label %match.handler ; <i32> [#uses=0]
52
53invoke.cont2:                                     ; preds = %match
54  store i32 1, i32* %cleanup.dst
55  br label %match.end
56
57match.handler:                                    ; preds = %match
58  %exc3 = call i8* @llvm.eh.exception()           ; <i8*> [#uses=2]
59  %7 = call i32 (i8*, i8*, ...)* @llvm.eh.selector(i8* %exc3, i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*), i32 0) ; <i32> [#uses=0]
60  store i8* %exc3, i8** %_rethrow
61  store i32 2, i32* %cleanup.dst
62  br label %match.end
63
64cleanup.pad:                                      ; preds = %cleanup.switch
65  store i32 1, i32* %cleanup.dst7
66  br label %finally
67
68cleanup.pad4:                                     ; preds = %cleanup.switch
69  store i32 2, i32* %cleanup.dst7
70  br label %finally
71
72match.end:                                        ; preds = %match.handler, %invoke.cont2
73  invoke void @__cxa_end_catch()
74          to label %invoke.cont5 unwind label %terminate.handler
75
76invoke.cont5:                                     ; preds = %match.end
77  br label %cleanup.switch
78
79cleanup.switch:                                   ; preds = %invoke.cont5
80  %tmp = load i32* %cleanup.dst                   ; <i32> [#uses=1]
81  switch i32 %tmp, label %cleanup.end [
82    i32 1, label %cleanup.pad
83    i32 2, label %cleanup.pad4
84  ]
85
86cleanup.end:                                      ; preds = %cleanup.switch
87  store i32 2, i32* %cleanup.dst7
88  br label %finally
89
90catch.next:                                       ; preds = %try.handler
91  store i8* %exc1, i8** %_rethrow
92  store i32 2, i32* %cleanup.dst7
93  br label %finally
94
95finally:                                          ; preds = %catch.next, %cleanup.end, %cleanup.pad4, %cleanup.pad, %invoke.cont
96  br label %cleanup.switch9
97
98cleanup.switch9:                                  ; preds = %finally
99  %tmp8 = load i32* %cleanup.dst7                 ; <i32> [#uses=1]
100  switch i32 %tmp8, label %cleanup.end10 [
101    i32 1, label %finally.end
102    i32 2, label %finally.throw
103  ]
104
105cleanup.end10:                                    ; preds = %cleanup.switch9
106  br label %finally.end
107
108finally.throw:                                    ; preds = %cleanup.switch9
109  %8 = load i8** %_rethrow                        ; <i8*> [#uses=1]
110  call void @_Unwind_Resume_or_Rethrow(i8* %8)
111  unreachable
112
113finally.end:                                      ; preds = %cleanup.end10, %cleanup.switch9
114  %tmp11 = getelementptr inbounds %struct.S* %s1, i32 0, i32 0 ; <[2 x i8*]*> [#uses=1]
115  %arraydecay = getelementptr inbounds [2 x i8*]* %tmp11, i32 0, i32 0 ; <i8**> [#uses=1]
116  %arrayidx = getelementptr inbounds i8** %arraydecay, i32 1 ; <i8**> [#uses=1]
117  %tmp12 = load i8** %arrayidx                    ; <i8*> [#uses=1]
118  store i8* %tmp12, i8** %retval
119  %9 = load i8** %retval                          ; <i8*> [#uses=1]
120  ret i8* %9
121}
122
123declare void @_Z6throwsv() ssp
124
125declare i32 @__gxx_personality_v0(...)
126
127declare i8* @llvm.eh.exception() nounwind readonly
128
129declare i32 @llvm.eh.selector(i8*, i8*, ...) nounwind
130
131declare void @_ZSt9terminatev()
132
133declare void @_Unwind_Resume_or_Rethrow(i8*)
134
135declare i32 @llvm.eh.typeid.for(i8*) nounwind
136
137declare i8* @__cxa_begin_catch(i8*)
138
139declare i32 @printf(i8*, ...)
140
141declare void @__cxa_end_catch()
142