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114 lines
3.8 KiB
LLVM
114 lines
3.8 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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; PR17425
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define void @i() {
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entry:
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br label %while.cond
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while.cond: ; preds = %while.cond, %entry
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%c.0 = phi i16* [ undef, %entry ], [ %incdec.ptr, %while.cond ]
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%incdec.ptr = getelementptr inbounds i16* %c.0, i64 1
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br i1 undef, label %while.cond1, label %while.cond
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while.cond1: ; preds = %while.cond1, %while.cond
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%c.1 = phi i16* [ %incdec.ptr5, %while.cond1 ], [ %c.0, %while.cond ]
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%incdec.ptr5 = getelementptr inbounds i16* %c.1, i64 1
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br i1 undef, label %while.cond7, label %while.cond1
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while.cond7: ; preds = %while.cond7, %while.cond1
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%0 = phi i16* [ %incdec.ptr10, %while.cond7 ], [ %c.1, %while.cond1 ]
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%incdec.ptr10 = getelementptr inbounds i16* %0, i64 1
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br i1 undef, label %while.cond12.preheader, label %while.cond7
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while.cond12.preheader: ; preds = %while.cond7
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br i1 undef, label %while.end16, label %while.body13.lr.ph
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while.body13: ; preds = %if.else, %while.body13.lr.ph
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%1 = phi i16* [ %2, %while.body13.lr.ph ], [ %incdec.ptr15, %if.else ]
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br i1 undef, label %while.cond12.outer.loopexit, label %if.else
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while.cond12.outer.loopexit: ; preds = %while.body13
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br i1 undef, label %while.end16, label %while.body13.lr.ph
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while.body13.lr.ph: ; preds = %while.cond12.outer.loopexit, %while.cond12.preheader
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%2 = phi i16* [ %1, %while.cond12.outer.loopexit ], [ undef, %while.cond12.preheader ]
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br label %while.body13
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if.else: ; preds = %while.body13
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%incdec.ptr15 = getelementptr inbounds i16* %1, i64 1
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%cmp = icmp eq i16* %incdec.ptr15, %0
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br i1 %cmp, label %while.end16, label %while.body13
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while.end16: ; preds = %if.else, %while.cond12.outer.loopexit, %while.cond12.preheader
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ret void
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}
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