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59 lines
1.7 KiB
59 lines
1.7 KiB
4 months ago
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; REQUIRES: system-darwin
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; RUN: lli -jit-kind=orc-lazy %s
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;
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; Sanity test eh-frame processing and registration.
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source_filename = "minimal-throw-catch.cpp"
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.14.0"
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@_ZTIi = external constant i8*
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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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declare i32 @llvm.eh.typeid.for(i8*)
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declare i8* @__cxa_begin_catch(i8*)
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declare void @__cxa_end_catch()
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define void @explode() {
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entry:
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%exception = tail call i8* @__cxa_allocate_exception(i64 4)
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%0 = bitcast i8* %exception to i32*
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store i32 42, i32* %0, align 16
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tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null)
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unreachable
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}
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define i32 @main(i32 %argc, i8** %argv) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
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entry:
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invoke void @explode()
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to label %return unwind label %lpad
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lpad:
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%0 = landingpad { i8*, i32 }
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catch i8* bitcast (i8** @_ZTIi to i8*)
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%1 = extractvalue { i8*, i32 } %0, 1
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%2 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
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%matches = icmp eq i32 %1, %2
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br i1 %matches, label %catch, label %eh.resume
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catch:
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%3 = extractvalue { i8*, i32 } %0, 0
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%4 = tail call i8* @__cxa_begin_catch(i8* %3)
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%5 = bitcast i8* %4 to i32*
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%6 = load i32, i32* %5, align 4
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%cmp = icmp ne i32 %6, 42
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%cond = zext i1 %cmp to i32
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tail call void @__cxa_end_catch()
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br label %return
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return:
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%retval.0 = phi i32 [ %cond, %catch ], [ 2, %entry ]
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ret i32 %retval.0
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eh.resume:
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resume { i8*, i32 } %0
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}
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