196 lines
7.8 KiB
LLVM
196 lines
7.8 KiB
LLVM
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; RUN: llc < %s | FileCheck %s
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; Based on the source:
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; extern "C" int puts(const char *);
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; extern "C" int printf(const char *, ...);
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; extern "C" int do_div(int a, int b) { return a / b; }
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; extern "C" int filt();
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; int main() {
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; __try {
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; __try {
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; do_div(1, 0);
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; } __except (1) {
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; __try {
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; do_div(1, 0);
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; } __finally {
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; puts("finally");
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; }
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; }
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; } __except (filt()) {
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; puts("caught");
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; }
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; return 0;
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; }
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; ModuleID = 't.cpp'
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc"
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$"\01??_C@_07MKBLAIAL@finally?$AA@" = comdat any
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$"\01??_C@_06IBDBCMGJ@caught?$AA@" = comdat any
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@"\01??_C@_07MKBLAIAL@finally?$AA@" = linkonce_odr unnamed_addr constant [8 x i8] c"finally\00", comdat, align 1
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@"\01??_C@_06IBDBCMGJ@caught?$AA@" = linkonce_odr unnamed_addr constant [7 x i8] c"caught\00", comdat, align 1
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; Function Attrs: nounwind readnone
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define i32 @do_div(i32 %a, i32 %b) #0 {
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entry:
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%div = sdiv i32 %a, %b
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ret i32 %div
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}
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define i32 @main() #1 personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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%call = invoke i32 @do_div(i32 1, i32 0) #4
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to label %__try.cont.12 unwind label %catch.dispatch
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__except.2: ; preds = %__except
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%call4 = invoke i32 @do_div(i32 1, i32 0) #4
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to label %invoke.cont.3 unwind label %ehcleanup
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invoke.cont.3: ; preds = %__except.2
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invoke fastcc void @"\01?fin$0@0@main@@"() #4
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to label %__try.cont.12 unwind label %catch.dispatch.7
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__except.9: ; preds = %__except.ret
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%call11 = tail call i32 @puts(i8* nonnull getelementptr inbounds ([7 x i8], [7 x i8]* @"\01??_C@_06IBDBCMGJ@caught?$AA@", i64 0, i64 0))
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br label %__try.cont.12
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__try.cont.12: ; preds = %invoke.cont.3, %entry, %__except.9
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ret i32 0
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catch.dispatch: ; preds = %entry
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%cs1 = catchswitch within none [label %__except] unwind label %catch.dispatch.7
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__except: ; preds = %catch.dispatch
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%cp1 = catchpad within %cs1 [i8* null]
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catchret from %cp1 to label %__except.2
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ehcleanup: ; preds = %__except.2
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%cp2 = cleanuppad within none []
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invoke fastcc void @"\01?fin$0@0@main@@"() #4 [ "funclet"(token %cp2) ]
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to label %invoke.cont.6 unwind label %catch.dispatch.7
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invoke.cont.6: ; preds = %ehcleanup
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cleanupret from %cp2 unwind label %catch.dispatch.7
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catch.dispatch.7:
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%cs2 = catchswitch within none [label %__except.ret] unwind to caller
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__except.ret: ; preds = %catch.dispatch.7
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%cp3 = catchpad within %cs2 [i8* bitcast (i32 (i8*, i8*)* @"\01?filt$0@0@main@@" to i8*)]
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catchret from %cp3 to label %__except.9
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}
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; CHECK: main: # @main
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; CHECK: .seh_proc main
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; CHECK: .seh_handler __C_specific_handler, @unwind, @except
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; CHECK: pushq %rbp
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; CHECK: .seh_pushreg %rbp
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; CHECK: subq $32, %rsp
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; CHECK: .seh_stackalloc 32
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; CHECK: leaq 32(%rsp), %rbp
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; CHECK: .seh_setframe %rbp, 32
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; CHECK: .seh_endprologue
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; CHECK: .Ltmp0:
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; CHECK: movl $1, %ecx
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; CHECK: xorl %edx, %edx
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; CHECK: callq do_div
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; CHECK: .Ltmp1:
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; CHECK: .LBB1_[[epilogue:[0-9]+]]: # %__try.cont.12
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; CHECK: xorl %eax, %eax
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; CHECK: addq $32, %rsp
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; CHECK: popq %rbp
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; CHECK: retq
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; CHECK: .LBB1_[[except1bb:[0-9]+]]: # %__except
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; CHECK: .Ltmp2:
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; CHECK: movl $1, %ecx
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; CHECK: xorl %edx, %edx
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; CHECK: callq do_div
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; CHECK: .Ltmp3:
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; CHECK: callq "?fin$0@0@main@@"
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; CHECK: jmp .LBB1_[[epilogue]]
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; CHECK: .LBB1_[[except2bb:[0-9]+]]: # %__except.ret
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; CHECK: leaq "??_C@_06IBDBCMGJ@caught?$AA@"(%rip), %rcx
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; CHECK: callq puts
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; CHECK: jmp .LBB1_[[epilogue]]
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; CHECK: .seh_handlerdata
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; CHECK-NEXT: .set .Lmain$parent_frame_offset, 32
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; CHECK-NEXT: .long (.Llsda_end0-.Llsda_begin0)/16
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; CHECK-NEXT: .Llsda_begin0:
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; CHECK-NEXT: .long .Ltmp0@IMGREL+1
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; CHECK-NEXT: .long .Ltmp1@IMGREL+1
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long .LBB1_[[except1bb]]@IMGREL
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; CHECK-NEXT: .long .Ltmp0@IMGREL+1
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; CHECK-NEXT: .long .Ltmp1@IMGREL+1
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; CHECK-NEXT: .long "?filt$0@0@main@@"@IMGREL
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; CHECK-NEXT: .long .LBB1_[[except2bb]]@IMGREL
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; CHECK-NEXT: .long .Ltmp2@IMGREL+1
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; CHECK-NEXT: .long .Ltmp3@IMGREL+1
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; CHECK-NEXT: .long "?dtor$[[finbb:[0-9]+]]@?0?main@4HA"@IMGREL
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long .Ltmp2@IMGREL+1
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; CHECK-NEXT: .long .Ltmp3@IMGREL+1
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; CHECK-NEXT: .long "?filt$0@0@main@@"@IMGREL
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; CHECK-NEXT: .long .LBB1_3@IMGREL
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; CHECK-NEXT: .long .Ltmp6@IMGREL+1
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; CHECK-NEXT: .long .Ltmp7@IMGREL+1
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; CHECK-NEXT: .long "?filt$0@0@main@@"@IMGREL
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; CHECK-NEXT: .long .LBB1_3@IMGREL
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; CHECK-NEXT: .Llsda_end0:
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; CHECK: .text
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; CHECK: .seh_endproc
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; CHECK: "?dtor$[[finbb]]@?0?main@4HA":
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; CHECK: .seh_proc "?dtor$[[finbb]]@?0?main@4HA"
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; CHECK-NOT: .seh_handler
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; CHECK: .LBB1_[[finbb]]: # %ehcleanup
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; CHECK: movq %rdx, 16(%rsp)
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; CHECK: pushq %rbp
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; CHECK: .seh_pushreg %rbp
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; CHECK: subq $32, %rsp
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; CHECK: .seh_stackalloc 32
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; CHECK: leaq 32(%rdx), %rbp
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; CHECK: .seh_endprologue
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; CHECK: callq "?fin$0@0@main@@"
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; CHECK: nop
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; CHECK: addq $32, %rsp
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; CHECK: popq %rbp
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; CHECK: retq
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; CHECK: .seh_handlerdata
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; CHECK: .seh_endproc
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define internal i32 @"\01?filt$0@0@main@@"(i8* nocapture readnone %exception_pointers, i8* nocapture readnone %frame_pointer) #1 {
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entry:
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%call = tail call i32 @filt()
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ret i32 %call
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}
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; CHECK: "?filt$0@0@main@@": # @"\01?filt$0@0@main@@"
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; CHECK: jmp filt # TAILCALL
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declare i32 @filt() #1
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declare i32 @__C_specific_handler(...)
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; Function Attrs: noinline nounwind
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define internal fastcc void @"\01?fin$0@0@main@@"() #2 {
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entry:
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%call = tail call i32 @puts(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @"\01??_C@_07MKBLAIAL@finally?$AA@", i64 0, i64 0)) #5
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ret void
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}
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; Function Attrs: nounwind
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declare i32 @puts(i8* nocapture readonly) #3
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attributes #0 = { nounwind readnone "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { noinline nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #4 = { noinline }
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attributes #5 = { nounwind }
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