56 lines
1.5 KiB
LLVM
56 lines
1.5 KiB
LLVM
; REQUIRES: system-darwin
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; RUN: lli -jit-kind=orc-lazy %s
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;
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; Basic correctness testing for 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-i128:128-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 ptr
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declare ptr @__cxa_allocate_exception(i64)
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declare void @__cxa_throw(ptr, ptr, ptr)
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declare i32 @__gxx_personality_v0(...)
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declare i32 @llvm.eh.typeid.for(ptr)
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declare ptr @__cxa_begin_catch(ptr)
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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 ptr @__cxa_allocate_exception(i64 4)
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store i32 42, ptr %exception, align 16
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tail call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
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unreachable
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}
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define i32 @main(i32 %argc, ptr %argv) personality ptr @__gxx_personality_v0 {
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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 { ptr, i32 }
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catch ptr @_ZTIi
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%1 = extractvalue { ptr, i32 } %0, 1
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%2 = tail call i32 @llvm.eh.typeid.for(ptr @_ZTIi)
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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 { ptr, i32 } %0, 0
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%4 = tail call ptr @__cxa_begin_catch(ptr %3)
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%5 = load i32, ptr %4, align 4
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%cmp = icmp ne i32 %5, 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 { ptr, i32 } %0
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}
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