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; RUN: opt -disable-output -debugify-each -gvn < %s 2>&1 | FileCheck %s
; CHECK-NOT: ERROR: Instruction with empty DebugLoc in function _Z3bazv -- {{%.*}} = phi
; CHECK: CheckFunctionDebugify [Global Value Numbering]: PASS
@foo = dso_local local_unnamed_addr global i32 0, align 4
@x = global i8 17
define dso_local void @_Z3bazv() local_unnamed_addr #0 {
entry:
br label %for.cond
for.cond.loopexit.loopexit: ; preds = %for.inc
br label %for.cond.loopexit
for.cond.loopexit: ; preds = %for.cond.loopexit.loopexit, %for.cond
br label %for.cond
for.cond: ; preds = %for.cond.loopexit, %entry
%.pr = load i32, i32* @foo, align 4
%tobool1 = icmp eq i32 %.pr, 0
br i1 %tobool1, label %for.cond.loopexit, label %for.inc.preheader
for.inc.preheader: ; preds = %for.cond
br label %for.inc
for.inc: ; preds = %for.inc.preheader, %for.inc
%val = load i8, i8* @x
%conv = sext i8 %val to i32
store i32 %conv, i32* @foo, align 4
%tobool = icmp eq i8 %val, 0
br i1 %tobool, label %for.cond.loopexit.loopexit, label %for.inc
}
declare dso_local signext i8 @_Z3barv() local_unnamed_addr #1
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