86 lines
3.1 KiB
LLVM
86 lines
3.1 KiB
LLVM
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; Check if landing pads are kept in a separate eh section
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; RUN: llc -simplifycfg-require-and-preserve-domtree=1 < %s -mtriple=i386-unknown-linux-gnu -function-sections -basic-block-sections=all -unique-basic-block-section-names | FileCheck %s -check-prefix=LINUX-SECTIONS
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@_ZTIb = external dso_local constant i8*
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define i32 @_Z3foob(i1 zeroext %0) #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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%2 = alloca i32, align 4
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%3 = alloca i8, align 1
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%4 = alloca i8*
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%5 = alloca i32
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%6 = alloca i8, align 1
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%7 = zext i1 %0 to i8
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store i8 %7, i8* %3, align 1
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%8 = load i8, i8* %3, align 1
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%9 = trunc i8 %8 to i1
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br i1 %9, label %10, label %11
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10: ; preds = %1
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store i32 1, i32* %2, align 4
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br label %31
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11: ; preds = %1
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%12 = call i8* @__cxa_allocate_exception(i64 1) #2
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%13 = load i8, i8* %3, align 1
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%14 = trunc i8 %13 to i1
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%15 = zext i1 %14 to i8
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store i8 %15, i8* %12, align 16
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invoke void @__cxa_throw(i8* %12, i8* bitcast (i8** @_ZTIb to i8*), i8* null) #3
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to label %38 unwind label %16
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16: ; preds = %11
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%17 = landingpad { i8*, i32 }
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catch i8* bitcast (i8** @_ZTIb to i8*)
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%18 = extractvalue { i8*, i32 } %17, 0
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store i8* %18, i8** %4, align 8
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%19 = extractvalue { i8*, i32 } %17, 1
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store i32 %19, i32* %5, align 4
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br label %20
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20: ; preds = %16
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%21 = load i32, i32* %5, align 4
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%22 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIb to i8*)) #2
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%23 = icmp eq i32 %21, %22
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br i1 %23, label %24, label %33
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24: ; preds = %20
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%25 = load i8*, i8** %4, align 8
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%26 = call i8* @__cxa_begin_catch(i8* %25) #2
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%27 = load i8, i8* %26, align 1
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%28 = trunc i8 %27 to i1
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%29 = zext i1 %28 to i8
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store i8 %29, i8* %6, align 1
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call void @__cxa_end_catch() #2
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br label %30
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30: ; preds = %24
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store i32 0, i32* %2, align 4
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br label %31
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31: ; preds = %30, %10
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%32 = load i32, i32* %2, align 4
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ret i32 %32
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33: ; preds = %20
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%34 = load i8*, i8** %4, align 8
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%35 = load i32, i32* %5, align 4
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%36 = insertvalue { i8*, i32 } undef, i8* %34, 0
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%37 = insertvalue { i8*, i32 } %36, i32 %35, 1
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resume { i8*, i32 } %37
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38: ; preds = %11
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unreachable
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}
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declare i8* @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(i8*, i8*, i8*)
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declare i32 @__gxx_personality_v0(...)
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; Function Attrs: nounwind readnone
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declare i32 @llvm.eh.typeid.for(i8*) #1
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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;LINUX-SECTIONS: .section .text._Z3foob,"ax",@progbits
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;LINUX-SECTIONS: _Z3foob:
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;LINUX-SECTIONS: .section .text._Z3foob._Z3foob.__part.{{[0-9]+}},"ax",@progbits
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;LINUX-SECTIONS-LABEL: _Z3foob.__part.{{[0-9]+}}:
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;LINUX-SECTIONS: calll __cxa_begin_catch
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