1 ; RUN: llc < %s | FileCheck %s
3 ; Test case based on this source:
4 ; int puts(const char*);
5 ; __declspec(noinline) void crash() {
6 ; *(volatile int*)0 = 42;
16 ; } __except (filt()) {
21 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
22 target triple = "x86_64-pc-windows-msvc"
24 $"\01??_C@_09KJEHOMHG@__finally?$AA@" = comdat any
26 $"\01??_C@_08MLCMLGHM@__except?$AA@" = comdat any
28 @"\01??_C@_09KJEHOMHG@__finally?$AA@" = linkonce_odr unnamed_addr constant [10 x i8] c"__finally\00", comdat, align 1
29 @"\01??_C@_08MLCMLGHM@__except?$AA@" = linkonce_odr unnamed_addr constant [9 x i8] c"__except\00", comdat, align 1
35 ; Function Attrs: nounwind uwtable
36 define void @use_both() #1 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
38 %exn.slot = alloca i8*
39 %ehselector.slot = alloca i32
40 invoke void @crash() #5
41 to label %invoke.cont unwind label %lpad
43 invoke.cont: ; preds = %entry
44 %0 = call i8* @llvm.localaddress()
45 invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext false, i8* %0) #5
46 to label %invoke.cont2 unwind label %lpad1
48 invoke.cont2: ; preds = %invoke.cont
51 lpad: ; preds = %entry
52 %1 = landingpad { i8*, i32 }
54 catch i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_both@@" to i8*)
55 %2 = extractvalue { i8*, i32 } %1, 0
56 store i8* %2, i8** %exn.slot
57 %3 = extractvalue { i8*, i32 } %1, 1
58 store i32 %3, i32* %ehselector.slot
59 %4 = call i8* @llvm.localaddress()
60 invoke void @"\01?fin$0@0@use_both@@"(i1 zeroext true, i8* %4) #5
61 to label %invoke.cont3 unwind label %lpad1
63 lpad1: ; preds = %lpad, %invoke.cont
64 %5 = landingpad { i8*, i32 }
65 catch i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_both@@" to i8*)
66 %6 = extractvalue { i8*, i32 } %5, 0
67 store i8* %6, i8** %exn.slot
68 %7 = extractvalue { i8*, i32 } %5, 1
69 store i32 %7, i32* %ehselector.slot
70 br label %catch.dispatch
72 invoke.cont3: ; preds = %lpad
73 br label %catch.dispatch
75 catch.dispatch: ; preds = %invoke.cont3, %lpad1
76 %sel = load i32, i32* %ehselector.slot
77 %8 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@use_both@@" to i8*)) #6
78 %matches = icmp eq i32 %sel, %8
79 br i1 %matches, label %__except, label %eh.resume
81 __except: ; preds = %catch.dispatch
82 %call = call i32 @puts(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @"\01??_C@_08MLCMLGHM@__except?$AA@", i32 0, i32 0))
85 __try.cont: ; preds = %__except, %invoke.cont2
88 eh.resume: ; preds = %catch.dispatch
89 %exn = load i8*, i8** %exn.slot
90 %sel4 = load i32, i32* %ehselector.slot
91 %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
92 %lpad.val5 = insertvalue { i8*, i32 } %lpad.val, i32 %sel4, 1
93 resume { i8*, i32 } %lpad.val5
96 ; CHECK-LABEL: use_both:
101 ; CHECK: callq "?fin$0@0@use_both@@"
105 ; CHECK: .seh_handlerdata
106 ; CHECK-NEXT: .long 3
107 ; CHECK-NEXT: .long .Ltmp0@IMGREL
108 ; CHECK-NEXT: .long .Ltmp1@IMGREL+1
109 ; CHECK-NEXT: .long "?fin$0@0@use_both@@"@IMGREL
110 ; CHECK-NEXT: .long 0
111 ; CHECK-NEXT: .long .Ltmp0@IMGREL
112 ; CHECK-NEXT: .long .Ltmp1@IMGREL+1
113 ; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
114 ; CHECK-NEXT: .long .Ltmp{{[0-9]+}}@IMGREL
115 ; CHECK-NEXT: .long .Ltmp3@IMGREL
116 ; CHECK-NEXT: .long .Ltmp4@IMGREL+1
117 ; CHECK-NEXT: .long "?filt$0@0@use_both@@"@IMGREL
118 ; CHECK-NEXT: .long .Ltmp{{[0-9]+}}@IMGREL
120 ; Function Attrs: noinline nounwind
121 define internal i32 @"\01?filt$0@0@use_both@@"(i8* %exception_pointers, i8* %frame_pointer) #2 {
123 %frame_pointer.addr = alloca i8*, align 8
124 %exception_pointers.addr = alloca i8*, align 8
125 %exn.slot = alloca i8*
126 store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
127 store i8* %exception_pointers, i8** %exception_pointers.addr, align 8
128 %0 = load i8*, i8** %exception_pointers.addr
129 %1 = bitcast i8* %0 to { i32*, i8* }*
130 %2 = getelementptr inbounds { i32*, i8* }, { i32*, i8* }* %1, i32 0, i32 0
131 %3 = load i32*, i32** %2
132 %4 = load i32, i32* %3
133 %5 = zext i32 %4 to i64
134 %6 = inttoptr i64 %5 to i8*
135 store i8* %6, i8** %exn.slot
136 %call = call i32 @filt()
140 define internal void @"\01?fin$0@0@use_both@@"(i1 zeroext %abnormal_termination, i8* %frame_pointer) #3 {
142 %frame_pointer.addr = alloca i8*, align 8
143 %abnormal_termination.addr = alloca i8, align 1
144 store i8* %frame_pointer, i8** %frame_pointer.addr, align 8
145 %frombool = zext i1 %abnormal_termination to i8
146 store i8 %frombool, i8* %abnormal_termination.addr, align 1
147 %call = call i32 @puts(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @"\01??_C@_09KJEHOMHG@__finally?$AA@", i32 0, i32 0))
151 declare i32 @puts(i8*) #3
153 declare i32 @__C_specific_handler(...)
155 ; Function Attrs: nounwind readnone
156 declare i8* @llvm.localaddress() #4
158 ; Function Attrs: nounwind readnone
159 declare i32 @llvm.eh.typeid.for(i8*) #4
161 attributes #0 = { noinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
162 attributes #1 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
163 attributes #2 = { noinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
164 attributes #3 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
165 attributes #4 = { nounwind readnone }
166 attributes #5 = { noinline }
167 attributes #6 = { nounwind }