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