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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 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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  %1 = landingpad { i8*, i32 }
34           cleanup
35  call void @_ZSt9terminatev() noreturn nounwind
36  unreachable
37
38try.handler:                                      ; preds = %entry
39  %exc1.ptr = landingpad { i8*, i32 }
40           catch i8* null
41  %exc1 = extractvalue { i8*, i32 } %exc1.ptr, 0
42  %selector = extractvalue { i8*, i32 } %exc1.ptr, 1
43  %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) ; <i32> [#uses=1]
44  %3 = icmp eq i32 %selector, %2                  ; <i1> [#uses=1]
45  br i1 %3, label %match, label %catch.next
46
47match:                                            ; preds = %try.handler
48  %4 = call i8* @__cxa_begin_catch(i8* %exc1)     ; <i8*> [#uses=1]
49  %5 = bitcast i8* %4 to i32*                     ; <i32*> [#uses=1]
50  %6 = load i32, i32* %5                               ; <i32> [#uses=1]
51  store i32 %6, i32* %0
52  %call = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), %struct.S* %s2)
53          to label %invoke.cont2 unwind label %match.handler ; <i32> [#uses=0]
54
55invoke.cont2:                                     ; preds = %match
56  store i32 1, i32* %cleanup.dst
57  br label %match.end
58
59match.handler:                                    ; preds = %match
60  %exc3 = landingpad { i8*, i32 }
61           cleanup
62  %7 = extractvalue { i8*, i32 } %exc3, 0
63  store i8* %7, i8** %_rethrow
64  store i32 2, i32* %cleanup.dst
65  br label %match.end
66
67cleanup.pad:                                      ; preds = %cleanup.switch
68  store i32 1, i32* %cleanup.dst7
69  br label %finally
70
71cleanup.pad4:                                     ; preds = %cleanup.switch
72  store i32 2, i32* %cleanup.dst7
73  br label %finally
74
75match.end:                                        ; preds = %match.handler, %invoke.cont2
76  invoke void @__cxa_end_catch()
77          to label %invoke.cont5 unwind label %terminate.handler
78
79invoke.cont5:                                     ; preds = %match.end
80  br label %cleanup.switch
81
82cleanup.switch:                                   ; preds = %invoke.cont5
83  %tmp = load i32, i32* %cleanup.dst                   ; <i32> [#uses=1]
84  switch i32 %tmp, label %cleanup.end [
85    i32 1, label %cleanup.pad
86    i32 2, label %cleanup.pad4
87  ]
88
89cleanup.end:                                      ; preds = %cleanup.switch
90  store i32 2, i32* %cleanup.dst7
91  br label %finally
92
93catch.next:                                       ; preds = %try.handler
94  store i8* %exc1, i8** %_rethrow
95  store i32 2, i32* %cleanup.dst7
96  br label %finally
97
98finally:                                          ; preds = %catch.next, %cleanup.end, %cleanup.pad4, %cleanup.pad, %invoke.cont
99  br label %cleanup.switch9
100
101cleanup.switch9:                                  ; preds = %finally
102  %tmp8 = load i32, i32* %cleanup.dst7                 ; <i32> [#uses=1]
103  switch i32 %tmp8, label %cleanup.end10 [
104    i32 1, label %finally.end
105    i32 2, label %finally.throw
106  ]
107
108cleanup.end10:                                    ; preds = %cleanup.switch9
109  br label %finally.end
110
111finally.throw:                                    ; preds = %cleanup.switch9
112  %8 = load i8*, i8** %_rethrow                        ; <i8*> [#uses=1]
113  call void @_Unwind_Resume_or_Rethrow(i8* %8)
114  unreachable
115
116finally.end:                                      ; preds = %cleanup.end10, %cleanup.switch9
117  %tmp11 = getelementptr inbounds %struct.S, %struct.S* %s1, i32 0, i32 0 ; <[2 x i8*]*> [#uses=1]
118  %arraydecay = getelementptr inbounds [2 x i8*], [2 x i8*]* %tmp11, i32 0, i32 0 ; <i8**> [#uses=1]
119  %arrayidx = getelementptr inbounds i8*, i8** %arraydecay, i32 1 ; <i8**> [#uses=1]
120  %tmp12 = load i8*, i8** %arrayidx                    ; <i8*> [#uses=1]
121  store i8* %tmp12, i8** %retval
122  %9 = load i8*, i8** %retval                          ; <i8*> [#uses=1]
123  ret i8* %9
124}
125
126declare void @_Z6throwsv() ssp
127
128declare i32 @__gxx_personality_v0(...)
129
130declare void @_ZSt9terminatev()
131
132declare void @_Unwind_Resume_or_Rethrow(i8*)
133
134declare i32 @llvm.eh.typeid.for(i8*) nounwind
135
136declare i8* @__cxa_begin_catch(i8*)
137
138declare i32 @printf(i8*, ...)
139
140declare void @__cxa_end_catch()
141