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https://github.com/c64scene-ar/llvm-6502.git
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a6542923b8
This is done to avoid odd test failures, like the one fixed in r171243. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171250 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
1.9 KiB
LLVM
71 lines
1.9 KiB
LLVM
; RUN: opt -loop-reduce < %s
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; we used to crash on this one
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declare i8* @_Znwm()
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declare i32 @__gxx_personality_v0(...)
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declare void @g()
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define void @f() {
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bb0:
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br label %bb1
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bb1:
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%v0 = phi i64 [ 0, %bb0 ], [ %v1, %bb1 ]
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%v1 = add nsw i64 %v0, 1
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br i1 undef, label %bb2, label %bb1
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bb2:
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%v2 = icmp eq i64 %v0, 0
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br i1 %v2, label %bb6, label %bb3
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bb3:
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%v3 = invoke noalias i8* @_Znwm()
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to label %bb5 unwind label %bb4
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bb4:
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%v4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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cleanup
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br label %bb9
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bb5:
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%v5 = bitcast i8* %v3 to i32**
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%add.ptr.i = getelementptr inbounds i32** %v5, i64 %v0
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br label %bb6
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bb6:
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%v6 = phi i32** [ null, %bb2 ], [ %add.ptr.i, %bb5 ]
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invoke void @g()
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to label %bb7 unwind label %bb8
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bb7:
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unreachable
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bb8:
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%v7 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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cleanup
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br label %bb9
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bb9:
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resume { i8*, i32 } zeroinitializer
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}
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define void @h() {
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bb1:
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invoke void @g() optsize
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to label %bb2 unwind label %bb5
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bb2:
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%arrayctor.cur = phi i8* [ undef, %bb1 ], [ %arrayctor.next, %bb3 ]
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invoke void @g() optsize
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to label %bb3 unwind label %bb6
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bb3:
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%arrayctor.next = getelementptr inbounds i8* %arrayctor.cur, i64 1
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br label %bb2
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bb4:
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ret void
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bb5:
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%tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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cleanup
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invoke void @g() optsize
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to label %bb4 unwind label %bb7
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bb6:
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%tmp1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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cleanup
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%arraydestroy.isempty = icmp eq i8* undef, %arrayctor.cur
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ret void
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bb7:
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%lpad.nonloopexit = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
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catch i8* null
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ret void
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}
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